Iranian Journal of Gas Engineering

Keyword Index

A

Acid gas Study of Physical Solvents Suitable for Acid Gas Removal Processes from Gas Streams [Volume 1, Issue 1, 2014, Pages 53-60]
Acid Gas Separation Feasibility Study and Selection of Suitable Process for Flare Gas Recovery in Parsian Refinery [Volume 6, Issue 1, 2019, Pages 64-71]
Activated Carbon Investigation of Natural Gas Separation Performance Using AC/PES Mixed Matrix Membrane: Laboratory Section [Volume 12, Issue 3, 2025, Pages 39-56]
Adsorption A Review on Metal-Organic Framework Nanoadsorbents and their Application in Dewatering Processes [Volume 4, Issue 1, 2017, Pages 29-39]
Adsorption A Review of Different for Preventing Deposition of Elemental Sulfur in Natural Gas Pipelines and Comparison them [Volume 5, Issue 2, 2018, Pages 31-43]
Adsorption capacity A Review on Metal-Organic Framework Nanoadsorbents and their Application in Dewatering Processes [Volume 4, Issue 1, 2017, Pages 29-39]
Advanced Methods A Review of Heavy Crude Oil Viscosity Reduction Methods Using Nanocatalysts and Other Techniques [Volume 12, Issue 2, 2025, Pages 18-49]
After-Sales Service Investigating the Appropriate Service Model in the Iranian Liquefied Gas Industry: A World Class Approach [Volume 8, Issue 1, 2021, Pages 53-67]
Air cooler Technical and Economical Comparision of Cooling Methods for Outlet Hot Gas from TGT Reactor [Volume 3, Issue 1, 2016, Pages 70-76]
Air Filter Design Criteria and Performance Assessment of Multi-Stage Gas Turbine Inlet Air Filtration Systems [(Articles in Press)]
Air pollutant Emissions Economical and Environmental Study of Using Micro Combined Heat and Power in Residental House in Tehran [Volume 10, Issue 1, 2023, Pages 28-42]
Air pollution Study of Physical Solvents Suitable for Acid Gas Removal Processes from Gas Streams [Volume 1, Issue 1, 2014, Pages 53-60]
AIRS sensor Using non-commercial satellite data to investigate methane emissions in the northeastern provinces and the Iran-Turkmenistan border [(Articles in Press)]
Al2O3 Study and Preparation of Copper Nano Catalyst and Evaluation of its Performance in the Oxidation Reaction of Carbon Monoxide to Carbon Dioxide [Volume 8, Issue 2, 2021, Pages 23-32]
Alumina Mechanical Property Optimization of High Alumina Castables via Formulation Adjustment in Petrochemical Applications [Volume 13, Issue 1, 2026, Pages 90-102]
Amine Optimization and Evaluation Gas Sweetening Unit Using by Genetic Algorithm with Quadratic Search [Volume 3, Issue 1, 2016, Pages 31-63]
Amine Peprasine-Ionic liquid mixture Effect of Vapor-Liquid Equilibrium on CO2 Gas Absorption by Amine Peprasine- Ionic liquid Solution Using Central Composite Test Design Method [Volume 10, Issue 1, 2023, Pages 80-93]
Amine Unit Stable and Dynamic Simulation of Gas Sweetening Unit by Alternative Solvent [Volume 8, Issue 2, 2021, Pages 57-73]
Amino Acid Glycine Experimental Investigation of Synergistic Effect of Amino Acid Glycine with Various Metal Salts on Preventing of Ethan Gas Hydrate [Volume 2, Issue 1, 2015, Pages 52-56]
Analytical hierarchy process Vulnerability of high Pressure GAS Lines (Study in Esfarayen City & this Project is protected byNorth Khorasan Gas Company) [Volume 8, Issue 2, 2021, Pages 39-56]
Andalusite Mechanical Property Optimization of High Alumina Castables via Formulation Adjustment in Petrochemical Applications [Volume 13, Issue 1, 2026, Pages 90-102]
Anionic/Cationic Surfactant Experimental Investigation of Physico-Chemical Characteristics of Light Weight Colloidal Gas Aphron (CGA) [Volume 4, Issue 1, 2017, Pages 77-88]
ANOVA Investigation of the Effect of Drying Conditions on the Structural Properties and Catalytic Performance of Fe-Co-Ni/MgO Catalyst for Light Olefins Production from Syngas [Volume 12, Issue 2, 2025, Pages 90-107]
ANP Strategic Investigation of SWOT-ANP Nonconventional Gas Reservoirs in Iran [Volume 8, Issue 2, 2021, Pages 12-22]
ARIMA Comparative study of machine learning models and time series models for predicting natural gas consumption in industries [(Articles in Press)]
Artificial intelligence (AI) Artificial Intelligence: A New Reality for the Chemical Industries [Volume 11, Issue 1, 2024, Pages 7-7]
Artificial lift Oil Production Optimization with Artifical Lift Method for Production Increasing in Ahwaz Oil Field (AW-A case study) [Volume 10, Issue 1, 2023, Pages 43-58]
Aspen Dynamic Simulation and Investigation of Changes in Operating Parameters on the Amount of Sulfur Produced in the SRU Unit - a Case Study of the No 1 Refinery of South Pars Gas Complex [Volume 9, Issue 1, 2022, Pages 57-75]
ASPEN HYSYS Simulation and Optimization of Air Separation Unit of Lorestan Petrochemicals Using Aspen Hysys Software [Volume 6, Issue 2, 2019, Pages 43-52]
ASPEN HYSYS Simulation and Optimization of Hydrotreating Section of Catalytic Reforming Unit of Abadan Oil Refinery with Aspen Hysys [Volume 7, Issue 2, 2020, Pages 7-17]
Aspen muse Simulation of Evaporation and Condensation Phenomena in the Plate-Fin Converter of the LNG Process Using the CFD Method and Assessing Aspen Muse Software Performance [Volume 6, Issue 1, 2019, Pages 6-13]
Aspen Plus Technical and Economic Analysis of a Cogeneration System Based on Solid Oxide Fuel Cell (SOFC) Technology for Building Application [Volume 5, Issue 1, 2018, Pages 37-52]
Aspen Plus Sensitivity Analysis and Economic Optimization of Multistage Membrane Configurations for Carbon Dioxide Separation from Methane [Volume 13, Issue 1, 2026, Pages 53-70]
Asphaltene Feasibility Assessment of South Pars Gas Condensate Utilization in the Production of Blended Fuels for Thermal Power Plants [(Articles in Press)]
Asphaltene deposition Ultrasonic Technology: A Novel Approach to Monitoring, Production and Optimization of Oil and Gas Fields [Volume 12, Issue 3, 2025, Pages 10-24]
Assessment Vulnerability Assessment of Iranian Petrochemical Industry from Climate Change Consequences to Analyses Risks and Opportunities [Volume 11, Issue 2, 2024, Pages 30-42]
Augmented Reality (AR) Artificial Intelligence: A New Reality for the Chemical Industries [Volume 11, Issue 1, 2024, Pages 7-7]
Available gas A Review of Gas Injection Optimization Studies in Artificial Gas Lift [Volume 10, Issue 2, 2023, Pages 42-60]

C

Calibration Gas Measurement Systems Overall Uncertainty: Gas Meter Calibration Laboratories Case Study [Volume 10, Issue 2, 2023, Pages 17-28]
Calibration Centers Gas Measurement Systems Overall Uncertainty: Gas Meter Calibration Laboratories Case Study [Volume 10, Issue 2, 2023, Pages 17-28]
Capture Study of Physical Solvents Suitable for Acid Gas Removal Processes from Gas Streams [Volume 1, Issue 1, 2014, Pages 53-60]
Carbonate reservoir Using Machine Learning to Predict Gel Acids' Viscosity in Carbonate Reservoirs: Neural Networks Validation with Laboratory Data [Volume 11, Issue 2, 2024, Pages 43-51]
Carbon Capture and Utilization without Storage (CCU) A Review of the Role of Carbon Capture, Storage, and Utilization Units (CCS, CCU, and CCUS) in the Transition from Gray Hydrogen to Blue Hydrogen [Volume 12, Issue 2, 2025, Pages 50-72]
Carbon Capture &‌‌‌‌ Storage (CCS) Technology Carbon Capture A Review of the Role of Carbon Capture, Storage, and Utilization Units (CCS, CCU, and CCUS) in the Transition from Gray Hydrogen to Blue Hydrogen [Volume 12, Issue 2, 2025, Pages 50-72]
Carbon dioxide Review of Methanol Synthesis, Proposal of Production Mechanism Based on Colloidal Suspension Potential and DFT Method [Volume 10, Issue 1, 2023, Pages 8-27]
Carbon dioxide A Review of Metal-Organic Framework Nanocomposites and their Application in Gas Storage [Volume 12, Issue 1, 2025, Pages 30-53]
Carbon dioxide An Overview of CO2 Storage in Subsurface Structures: Advances, Challenges, and Perspectives [Volume 12, Issue 1, 2025, Pages 91-115]
Carbon monoxide Review of Methanol Synthesis, Proposal of Production Mechanism Based on Colloidal Suspension Potential and DFT Method [Volume 10, Issue 1, 2023, Pages 8-27]
Carbon monoxide hydrogenation Investigation of the Effect of Drying Conditions on the Structural Properties and Catalytic Performance of Fe-Co-Ni/MgO Catalyst for Light Olefins Production from Syngas [Volume 12, Issue 2, 2025, Pages 90-107]
Castable Refractory Mechanical Property Optimization of High Alumina Castables via Formulation Adjustment in Petrochemical Applications [Volume 13, Issue 1, 2026, Pages 90-102]
Catalytic degassing A review on the catalytic degassing processes of molten sulfur [Volume 3, Issue 1, 2016, Pages 64-69]
Cathodic Protection Quantitative and Qualitative Study of Water Wells in Cathodic Protection System of Gas Pipelines [Volume 9, Issue 1, 2022, Pages 18-26]
Caustic Decreasing the Inlet Mercaptan to LPG Treatment to Increase the Efficiency of Adsorber section [Volume 6, Issue 1, 2019, Pages 26-34]
CDM Techno-economic Prioritization of Emission Reduction Methods in Iranian Gas Transmission Facilities [Volume 5, Issue 1, 2018, Pages 21-36]
CDM Investigating the Role of Carbon Sales Earnings in the Economic Justification of Energy Optimization Projects in Shahid Hasheminejad and Fajr Jam Jet Refineries [Volume 5, Issue 2, 2018, Pages 44-56]
Central Investigating Gas Condensate of Kopet Dag, Bandar Abbas and Central Iran Regions Using Isotope and Biomarker Data [Volume 6, Issue 1, 2019, Pages 41-57]
CER Investigating the Role of Carbon Sales Earnings in the Economic Justification of Energy Optimization Projects in Shahid Hasheminejad and Fajr Jam Jet Refineries [Volume 5, Issue 2, 2018, Pages 44-56]
CFD Steam Methane Reforming(SMR) Reaction in Monolith Reactors Using CFD Modeling [Volume 1, Issue 2, 2014, Pages 50-57]
CFD Investigation of the Performance of Iron Nanocatalysts in Liquid Fuel Production from Synthetic Gases: Empirical Studies and CFD Modeling [Volume 4, Issue 1, 2017, Pages 57-66]
CFD Simulation of Evaporation and Condensation Phenomena in the Plate-Fin Converter of the LNG Process Using the CFD Method and Assessing Aspen Muse Software Performance [Volume 6, Issue 1, 2019, Pages 6-13]
CFD Simulation Investigating the Performance of the High-Pressure Flare of South Pars Fifth Refinery and the Factors Affecting its Performance Using CFD Simulation [Volume 9, Issue 2, 2022, Pages 69-82]
CFD Simulation Investigating the Performance of the LPG Flare of the Fifth South Pars refinery Using CFD Simulation and Providing a Solution [Volume 11, Issue 1, 2024, Pages 8-21]
Change operational parameters Dynamic Simulation and Investigation of Changes in Operating Parameters on the Amount of Sulfur Produced in the SRU Unit - a Case Study of the No 1 Refinery of South Pars Gas Complex [Volume 9, Issue 1, 2022, Pages 57-75]
Chemical Equilibria Chemical and Phase Equilibria in the Process of Esterification of Acetic Acid with Ethanol in the Presence of Supercritical Carbon Dioxide [Volume 4, Issue 2, 2017, Pages 34-46]
Chlorine Quantitative and Qualitative Study of Water Wells in Cathodic Protection System of Gas Pipelines [Volume 9, Issue 1, 2022, Pages 18-26]
Claim Management Claim Prevention Solutions in Gas Industry Contracts [Volume 10, Issue 2, 2023, Pages 69-79]
Claus process A review on the catalytic degassing processes of molten sulfur [Volume 3, Issue 1, 2016, Pages 64-69]
Climate change Investigating the Role of Carbon Sales Earnings in the Economic Justification of Energy Optimization Projects in Shahid Hasheminejad and Fajr Jam Jet Refineries [Volume 5, Issue 2, 2018, Pages 44-56]
Climate change Vulnerability Assessment of Iranian Petrochemical Industry from Climate Change Consequences to Analyses Risks and Opportunities [Volume 11, Issue 2, 2024, Pages 30-42]
Clinoptilolite Enhancing the Performance of Cobalt Catalyst in Fischer-Tropsch Synthesis Using Natural Clinoptilolite Zeolite: Experimental Study and Optimization [(Articles in Press)]
CMD Effect of Vapor-Liquid Equilibrium on CO2 Gas Absorption by Amine Peprasine- Ionic liquid Solution Using Central Composite Test Design Method [Volume 10, Issue 1, 2023, Pages 80-93]
C-Means Fuzzy Clustering Comparative study of machine learning models and time series models for predicting natural gas consumption in industries [(Articles in Press)]
CO2 gas absorption Effect of Vapor-Liquid Equilibrium on CO2 Gas Absorption by Amine Peprasine- Ionic liquid Solution Using Central Composite Test Design Method [Volume 10, Issue 1, 2023, Pages 80-93]
Cobalt Fischer Tropsch Synthesis Based on Heterogeneous Catalysis from Syngas [Volume 2, Issue 1, 2015, Pages 58-68]
Cogeneration Technical and Economic Analysis of a Cogeneration System Based on Solid Oxide Fuel Cell (SOFC) Technology for Building Application [Volume 5, Issue 1, 2018, Pages 37-52]
Cold bed Investigation on Startup Methods at SRU (Cold and Hot) and Innovation in Cold Bed Method [Volume 5, Issue 1, 2018, Pages 16-20]
Cold start up theory Investigation on Startup Methods at SRU (Cold and Hot) and Innovation in Cold Bed Method [Volume 5, Issue 1, 2018, Pages 16-20]
Colloidal gas aphron Experimental Investigation of Physico-Chemical Characteristics of Light Weight Colloidal Gas Aphron (CGA) [Volume 4, Issue 1, 2017, Pages 77-88]
Colloidal suspension potential Review of Methanol Synthesis, Proposal of Production Mechanism Based on Colloidal Suspension Potential and DFT Method [Volume 10, Issue 1, 2023, Pages 8-27]
Combined heat and power (CHP) Thermodynamic and Environmental Analysis of using Solar-Fuel Cell CHP Systems in Residential House of Iran [Volume 11, Issue 1, 2024, Pages 33-45]
Combustion characteristics Investigating the Performance of the LPG Flare of the Fifth South Pars refinery Using CFD Simulation and Providing a Solution [Volume 11, Issue 1, 2024, Pages 8-21]
Compact reactor and design Design of a Reactor for Converting Syngas to Liquid Fuel in a Fixed-Bed Multi-Tube Compact Reactor: Experimental Study on Catalyst Kinetics and Design for Co/Al2O3 Catalyst [Volume 11, Issue 2, 2024, Pages 15-29]
Compressed Natural Gas (CNG) Barriers and Challenges to the Adoption of Compressed Natural Gas (CNG) in the Transportation Sector [Volume 12, Issue 4, 2025, Pages 21-36]
Compressor Station Evaluation of Greenhouse Gases Emission Inventory in Iranian Gas Transmission Facilities and Pipeline [Volume 5, Issue 1, 2018, Pages 63-71]
Computational fluid dynamic (CFD) The Importance of Solid Particle Technology in Natural Gas Processing [Volume 11, Issue 2, 2024, Pages 6-7]
Computational Fluid Dynamics (CFD) Investigation of the Impact of Solid Particles Suspended in Fluid on Steel Pipe Erosion: CFD Analysis and Experimental Validation [Volume 12, Issue 4, 2025, Pages 58-79]
Consumers Designing a Diversion Model for Natural Gas Consumers (case study: Gas Company of Mazandaran Province) [Volume 9, Issue 2, 2022, Pages 47-58]
Contractor Contractor Breach and Guarantee of its Implementation in the General Terms of the Matched Contract (Pc) of the Oil Industry [Volume 8, Issue 1, 2021, Pages 68-80]
Cooling Column Technical and Economical Comparision of Cooling Methods for Outlet Hot Gas from TGT Reactor [Volume 3, Issue 1, 2016, Pages 70-76]
CO oxidation Study and Preparation of Copper Nano Catalyst and Evaluation of its Performance in the Oxidation Reaction of Carbon Monoxide to Carbon Dioxide [Volume 8, Issue 2, 2021, Pages 23-32]
Copolymer Study of Nonionic Surfactants Consist of Different Molecular Weight on Inhibitor in Ethane Gas Hydrate Formation [Volume 2, Issue 1, 2015, Pages 6-11]
Copper nanoparticles Study and Preparation of Copper Nano Catalyst and Evaluation of its Performance in the Oxidation Reaction of Carbon Monoxide to Carbon Dioxide [Volume 8, Issue 2, 2021, Pages 23-32]
Coring Identifying & Examining the Factors Affecting Drilling in Gas Hydrate Reservoirs [Volume 5, Issue 1, 2018, Pages 53-62]
Corrosion Quantitative and Qualitative Study of Water Wells in Cathodic Protection System of Gas Pipelines [Volume 9, Issue 1, 2022, Pages 18-26]
Corrosion resistance Nano/Micro ZrO2 Particles Dispersion on St37 Steel by Using Friction Stir Processing and Investigating Its Effect on Steel Corrosion Resistance Promotion [Volume 10, Issue 1, 2023, Pages 59-68]
Cost saving ratio Economical and Environmental Study of Using Micro Combined Heat and Power in Residental House in Tehran [Volume 10, Issue 1, 2023, Pages 28-42]
Crevice Corrosion Investigation of the Mechanism and Causes of the Destruction of the Leakage Damage of the Underground Pipeline Outlet of the Gas Pressure Reduction Station [Volume 12, Issue 1, 2025, Pages 8-17]
Critical rate of liquid loading Improving Production Conditions to Avoid Liquid Loading In one of the Vertical Gas Wells in Iran [Volume 10, Issue 1, 2023, Pages 69-79]
Crude oil Investigation of Different Methods of Desalination of Crude Oil and the Operation of Various Types of Electrostatic Desalination [Volume 7, Issue 2, 2020, Pages 64-72]
Crude oil A Review of Operating Units of the Central Treatment/Export Plant [Volume 8, Issue 2, 2021, Pages 6-11]

D

Decarbonization The Future of Natural Gas: Energy Transition, Hydrogen, and Low-Carbon Fuels [Volume 12, Issue 3, 2025, Pages 7-10]
Decentralization The Time to Turn Crisis into Opportunity [Volume 12, Issue 4, 2025, Pages 7-9]
Deconvolution Evaluation of Matrix Acidizing Job in a Layered Gas Condensate Carbonate Reservoir Using Deconvolution Analysis of Well Test Data Combined with Production Logging Data Interpretation [(Articles in Press)]
Deep Neural Network Intelligent prediction of gas consumption in three-hour intervals, using data recorded in specific time periods [Volume 11, Issue 1, 2024, Pages 46-70]
Deepwater drilling Prediction of Drilling Fluid Temperature Window and Formation of Gas Hydrates During Drilling in Deep Water Using Machine Learning Algorithms [Volume 11, Issue 1, 2024, Pages 71-86]
Dehydration A review of Unit operations and Processes of Gas Processing Plants [Volume 1, Issue 2, 2014, Pages 8-15]
Depositional Environment Evaluation of Hydrocarbon Generation Potential of the Pabdeh Formation as a Probable Source Rock across Dezful Embayment, Southwestern Iran [Volume 9, Issue 1, 2022, Pages 27-38]
Desalination Investigation of Different Methods of Desalination of Crude Oil and the Operation of Various Types of Electrostatic Desalination [Volume 7, Issue 2, 2020, Pages 64-72]
Desulfurization Gas Desulfurization Process Using ZnO Nanoparticles [Volume 1, Issue 1, 2014, Pages 46-52]
Desulfurization Oxidative Desulfurization of Light Naphtha in the Presence of Zeolite Supported Zinc Oxide Catalyst [Volume 9, Issue 2, 2022, Pages 59-68]
Desulfurization processes A Review of Different for Preventing Deposition of Elemental Sulfur in Natural Gas Pipelines and Comparison them [Volume 5, Issue 2, 2018, Pages 31-43]
Diaphragm Meter Gas Measurement Systems Overall Uncertainty: Gas Meter Calibration Laboratories Case Study [Volume 10, Issue 2, 2023, Pages 17-28]
Digitalization The Necessity of Innovation in Gas Pipeline Construction [Volume 12, Issue 2, 2025, Pages 6-7]
Digital twins Artificial Intelligence: A New Reality for the Chemical Industries [Volume 11, Issue 1, 2024, Pages 7-7]
Dismissal Contractor Breach and Guarantee of its Implementation in the General Terms of the Matched Contract (Pc) of the Oil Industry [Volume 8, Issue 1, 2021, Pages 68-80]
Distinct element method (DEM) The Importance of Solid Particle Technology in Natural Gas Processing [Volume 11, Issue 2, 2024, Pages 6-7]
Domestic Manufacturing Technology Commercialization and the Enhancement of Strategic Equipment Quality: From Scientific Maturity to Industrial Value Creation [Volume 13, Issue 1, 2026, Pages 7-8]
Double tube heat exchanger Heat Transfer Improve in Heat Exchangers using Flow of Nanofluids [Volume 4, Issue 2, 2017, Pages 25-33]
Drilling Identifying & Examining the Factors Affecting Drilling in Gas Hydrate Reservoirs [Volume 5, Issue 1, 2018, Pages 53-62]
Drilling fluid temperature window Prediction of Drilling Fluid Temperature Window and Formation of Gas Hydrates During Drilling in Deep Water Using Machine Learning Algorithms [Volume 11, Issue 1, 2024, Pages 71-86]
Drying conditions Investigation of the Effect of Drying Conditions on the Structural Properties and Catalytic Performance of Fe-Co-Ni/MgO Catalyst for Light Olefins Production from Syngas [Volume 12, Issue 2, 2025, Pages 90-107]
DWC Static and Dynamic Simulation of 1, 3 Butadien Distillation Unit [Volume 1, Issue 1, 2014, Pages 36-45]
Dynamic simulation Static and Dynamic Simulation of 1, 3 Butadien Distillation Unit [Volume 1, Issue 1, 2014, Pages 36-45]
Dynamic simulation Stable and Dynamic Simulation of Gas Sweetening Unit by Alternative Solvent [Volume 8, Issue 2, 2021, Pages 57-73]

E

Economic Analysis Simulation and Optimization of Ethane Recovery Process in Bandar Imam Petrochemical Company [Volume 6, Issue 2, 2019, Pages 24-31]
Economic Analysis Economical and Environmental Study of Using Micro Combined Heat and Power in Residental House in Tehran [Volume 10, Issue 1, 2023, Pages 28-42]
Economic evaluation Flare Gases Management with Recovery Methods Utilization [Volume 4, Issue 1, 2017, Pages 17-28]
Economic evaluation Economic Evaluation of Water Desalination and Power Generation Using Flare Gases of Assaluyeh [Volume 8, Issue 1, 2021, Pages 7-17]
Economic evaluation Techno-Economic Comparison of Helium Recovery from Natural Gas Using Polymeric Membranes Simulation [Volume 12, Issue 4, 2025, Pages 10-20]
Economic evaluation Sensitivity Analysis and Economic Optimization of Multistage Membrane Configurations for Carbon Dioxide Separation from Methane [Volume 13, Issue 1, 2026, Pages 53-70]
Economic profit Investigation of Parameters Affecting the Liquid Loading and Optimizing the Production of One of the Southwest Gas Condensate Wells in Iran [Volume 5, Issue 2, 2018, Pages 57-67]
Electricity Technical and Economic Investigation of Methods to Satisfy Thermal Energy Demands of Off-grid Gas Pipeline Area – Case Study: Khorasan Razavi Province [Volume 8, Issue 1, 2021, Pages 28-39]
Elemental sulfur A Review of Different for Preventing Deposition of Elemental Sulfur in Natural Gas Pipelines and Comparison them [Volume 5, Issue 2, 2018, Pages 31-43]
Emission Evaluation of Greenhouse Gases Emission Inventory in Iranian Gas Transmission Facilities and Pipeline [Volume 5, Issue 1, 2018, Pages 63-71]
Emission factor A Review on the Recently Developed Methods of the Methane Emission Inventory Estimation in the Natural Gas Distribution Network [Volume 7, Issue 1, 2020, Pages 25-36]
Emission Inventory A Review on the Recently Developed Methods of the Methane Emission Inventory Estimation in the Natural Gas Distribution Network [Volume 7, Issue 1, 2020, Pages 25-36]
Emission reduction Techno-economic Prioritization of Emission Reduction Methods in Iranian Gas Transmission Facilities [Volume 5, Issue 1, 2018, Pages 21-36]
Emission reduction Estimation of Greenhouse Gas Emissions in two Refineries of Hasheminejad and Fajr Jam and Providing Operational Solutions to Reduce Emissions [Volume 5, Issue 2, 2018, Pages 68-80]
Empirical correlations Performance Evaluation of Empirical Correlations to Estimate the Properties of Gas Condensate Reservoirs in South of Iran [Volume 4, Issue 2, 2017, Pages 62-75]
Employer Contractor Breach and Guarantee of its Implementation in the General Terms of the Matched Contract (Pc) of the Oil Industry [Volume 8, Issue 1, 2021, Pages 68-80]
Emulsion Investigation of Different Methods of Desalination of Crude Oil and the Operation of Various Types of Electrostatic Desalination [Volume 7, Issue 2, 2020, Pages 64-72]
Energy and Exergy Analysis Thermodynamic and Environmental Analysis of using Solar-Fuel Cell CHP Systems in Residential House of Iran [Volume 11, Issue 1, 2024, Pages 33-45]
Energy Carrier A Review of Hydrogen Gas Storage Methods as an Energy Carrier [Volume 12, Issue 4, 2025, Pages 36-57]
Energy Consumption Forecasting Comparative study of machine learning models and time series models for predicting natural gas consumption in industries [(Articles in Press)]
Energy Economics Investigating the Role of Carbon Sales Earnings in the Economic Justification of Energy Optimization Projects in Shahid Hasheminejad and Fajr Jam Jet Refineries [Volume 5, Issue 2, 2018, Pages 44-56]
Energy economy Plasma Technology in Oil, Gas and Petrochemical Industries: Research to Development Opportunities [Volume 2, Issue 1, 2015, Pages 29-36]
Energy Ecosystem Development of the Energy Sustainability Prism Model: A Framework for Integrated Management of the Energy Ecosystem [Volume 12, Issue 3, 2025, Pages 57-68]
Energy Efficiency Energy Optimization in Energy-Intensive Industries with a Focus on Engineering Economics: A Case Study of Productivity in International Companies [Volume 13, Issue 1, 2026, Pages 9-36]
Energy governance Development of the Energy Sustainability Prism Model: A Framework for Integrated Management of the Energy Ecosystem [Volume 12, Issue 3, 2025, Pages 57-68]
Energy Management Flare Gases Management with Recovery Methods Utilization [Volume 4, Issue 1, 2017, Pages 17-28]
Energy Sustainability Prism Development of the Energy Sustainability Prism Model: A Framework for Integrated Management of the Energy Ecosystem [Volume 12, Issue 3, 2025, Pages 57-68]
Energy System Resilience The Time to Turn Crisis into Opportunity [Volume 12, Issue 4, 2025, Pages 7-9]
Energy transition The Future of Natural Gas: Energy Transition, Hydrogen, and Low-Carbon Fuels [Volume 12, Issue 3, 2025, Pages 7-10]
Enhanced oil recovery Sector Model Simulation of Water and Gas Injection Performance of Ilam Oil Reservoir (JOFIER Oilfield) in Compare with Natural Depletion [Volume 5, Issue 1, 2018, Pages 6-15]
Enhanced oil recovery Ultrasonic Technology: A Novel Approach to Monitoring, Production and Optimization of Oil and Gas Fields [Volume 12, Issue 3, 2025, Pages 10-24]
Enrichment Separation of Methane from Natural Gas by New Method of MWNT in Hydrates Process [Volume 2, Issue 1, 2015, Pages 37-45]
Entrained flow gasifier Simulation and optimization of the coal gasification process using an entrained flow gasifier to produce synthesis gas [(Articles in Press)]
Environmental analysis Thermodynamic and Environmental Analysis of using Solar-Fuel Cell CHP Systems in Residential House of Iran [Volume 11, Issue 1, 2024, Pages 33-45]
Environmental pollution An Overview of CO2 Storage in Subsurface Structures: Advances, Challenges, and Perspectives [Volume 12, Issue 1, 2025, Pages 91-115]
EOR Application of Nanotechnology in Enhanced Oil Recovery (EOR) [Volume 1, Issue 2, 2014, Pages 33-42]
Equation of state A Semi-empirical Correlation for the Liquid Density of Heavy Hydrocarbons in Certain Pressure and Temperature Ranges [Volume 12, Issue 1, 2025, Pages 18-29]
Equipment Cost Investigation on LNG Plant in Small Scale [Volume 7, Issue 1, 2020, Pages 6-15]
Erosion rate Investigation of the Impact of Solid Particles Suspended in Fluid on Steel Pipe Erosion: CFD Analysis and Experimental Validation [Volume 12, Issue 4, 2025, Pages 58-79]
Esterification. Acetic Acid Chemical and Phase Equilibria in the Process of Esterification of Acetic Acid with Ethanol in the Presence of Supercritical Carbon Dioxide [Volume 4, Issue 2, 2017, Pages 34-46]
Ethane Recovery Simulation and Optimization of Ethane Recovery Process in Bandar Imam Petrochemical Company [Volume 6, Issue 2, 2019, Pages 24-31]
Ethanol Investigation and Thermodynamic Analysis of Steam Reforming of Glycerin and Ethanol for Hydrogen Production [Volume 2, Issue 1, 2015, Pages 12-28]
Ethanol Chemical and Phase Equilibria in the Process of Esterification of Acetic Acid with Ethanol in the Presence of Supercritical Carbon Dioxide [Volume 4, Issue 2, 2017, Pages 34-46]
Evaluation Performance Evaluation of Empirical Correlations to Estimate the Properties of Gas Condensate Reservoirs in South of Iran [Volume 4, Issue 2, 2017, Pages 62-75]
Exergy Analysis Investigation on LNG Plant in Small Scale [Volume 7, Issue 1, 2020, Pages 6-15]
Extraction Gas Storage Services Contract [Volume 9, Issue 2, 2022, Pages 83-92]

F

Fatigue Life Assessment Three-Dimensional Simulation and the Effect of Temperature on Axial and Peripheral Quasielliptical Cracks in Cylindrical Tanks [Volume 7, Issue 1, 2020, Pages 37-46]
Fe-Co-Ni catalyst Investigation of the Effect of Drying Conditions on the Structural Properties and Catalytic Performance of Fe-Co-Ni/MgO Catalyst for Light Olefins Production from Syngas [Volume 12, Issue 2, 2025, Pages 90-107]
Fe-Cu-La/SiO2 catalyst Investigation of the Performance of Iron Nanocatalysts in Liquid Fuel Production from Synthetic Gases: Empirical Studies and CFD Modeling [Volume 4, Issue 1, 2017, Pages 57-66]
FGM welding wire Investigation And Comparison Of Mechanical Strength Of Ordinary Welding Wires With Welding Wires Made Of Fgm Targeted Materials [(Articles in Press)]
Filter Selection Criteria Design Criteria and Performance Assessment of Multi-Stage Gas Turbine Inlet Air Filtration Systems [(Articles in Press)]
Filtration Molecular Dynamics Simulations of Membrane-Based Gas Separation: Overview, Challenges and Future Perspectives [Volume 12, Issue 3, 2025, Pages 69-84]
Filtration Systems Design Criteria and Performance Assessment of Multi-Stage Gas Turbine Inlet Air Filtration Systems [(Articles in Press)]
Fischer-Tropsch synthesis Design of a Reactor for Converting Syngas to Liquid Fuel in a Fixed-Bed Multi-Tube Compact Reactor: Experimental Study on Catalyst Kinetics and Design for Co/Al2O3 Catalyst [Volume 11, Issue 2, 2024, Pages 15-29]
Fischer-Tropsch synthesis Investigation of the Effect of Drying Conditions on the Structural Properties and Catalytic Performance of Fe-Co-Ni/MgO Catalyst for Light Olefins Production from Syngas [Volume 12, Issue 2, 2025, Pages 90-107]
Fischer Tropsch Synthesis Fischer Tropsch Synthesis Based on Heterogeneous Catalysis from Syngas [Volume 2, Issue 1, 2015, Pages 58-68]
Fischer–Tropsch Synthesis Investigation of the Performance of Iron Nanocatalysts in Liquid Fuel Production from Synthetic Gases: Empirical Studies and CFD Modeling [Volume 4, Issue 1, 2017, Pages 57-66]
Fixed bed Comparing the Modeling of Thermal Coupling of the Catalytic Processes of Methane Triforming and Methanol Dehydrogenation in Fixed and Fluid Beds [Volume 5, Issue 2, 2018, Pages 20-30]
Fixed bed reactor Investigation of the Performance of Iron Nanocatalysts in Liquid Fuel Production from Synthetic Gases: Empirical Studies and CFD Modeling [Volume 4, Issue 1, 2017, Pages 57-66]
Fixed-bed reactor Comparing the Performance of the Fixed-bed, Fluidized-bed and Slurry Bubble Column Tri-reformers Reactors to Produce Synthesis Gas [Volume 6, Issue 1, 2019, Pages 58-63]
Flare Technical and practical analysis of Skid mounted LNG plant in IRAN [Volume 7, Issue 1, 2020, Pages 47-56]
Flare Simulation of the Recovery of Gases Sent to the Flare for their Reuse as Hydrocarbon Fuel Sources [Volume 9, Issue 1, 2022, Pages 76-85]
Flare gas Feasibility Study and Selection of Suitable Process for Flare Gas Recovery in Parsian Refinery [Volume 6, Issue 1, 2019, Pages 64-71]
Flare gas Simulation of Converting Flare Gas to Gasoline (FGTG) Process with the Approach Reducing Energy Consumption and Increasing Productivity [Volume 7, Issue 2, 2020, Pages 47-63]
Flare Gases Economic Evaluation of Water Desalination and Power Generation Using Flare Gases of Assaluyeh [Volume 8, Issue 1, 2021, Pages 7-17]
Flare Gas Recovery Flare Gases Management with Recovery Methods Utilization [Volume 4, Issue 1, 2017, Pages 17-28]
Flash point Feasibility Assessment of South Pars Gas Condensate Utilization in the Production of Blended Fuels for Thermal Power Plants [(Articles in Press)]
Fluid bed Comparing the Modeling of Thermal Coupling of the Catalytic Processes of Methane Triforming and Methanol Dehydrogenation in Fixed and Fluid Beds [Volume 5, Issue 2, 2018, Pages 20-30]
Fluidized-bed reactor Comparing the Performance of the Fixed-bed, Fluidized-bed and Slurry Bubble Column Tri-reformers Reactors to Produce Synthesis Gas [Volume 6, Issue 1, 2019, Pages 58-63]
Fluid loss Experimental Investigation of Physico-Chemical Characteristics of Light Weight Colloidal Gas Aphron (CGA) [Volume 4, Issue 1, 2017, Pages 77-88]
Fluid saturation Optimization of Petrophysical Evaluation Utilizing Variable Cementation Factor for Identification of Pay-Zones in a Field within Zagros Bain [Volume 12, Issue 3, 2025, Pages 25-38]
Foam Visual Investigation of Foam Injection in a Transparent Fractured Porous Medium [Volume 6, Issue 2, 2019, Pages 32-36]
Foreign Investment Legal Status of Production-sharing Agreements in Iran [Volume 6, Issue 2, 2019, Pages 53-63]
Formation Damage Ultrasonic Technology: A Novel Approach to Monitoring, Production and Optimization of Oil and Gas Fields [Volume 12, Issue 3, 2025, Pages 10-24]
Fractured Oil Reservoirs The Influence of Molecular Diffusion Mechanism in the Production of Fractured Oil Reservoirs [Volume 3, Issue 1, 2016, Pages 77-86]
Fractured reservoir Investigating the Impact of Molecular Diffusion in Natural Gas Storage Process in an Iranian Depleted Fractured Oil Reservoir [Volume 1, Issue 1, 2014, Pages 27-35]
Friction stir processing Nano/Micro ZrO2 Particles Dispersion on St37 Steel by Using Friction Stir Processing and Investigating Its Effect on Steel Corrosion Resistance Promotion [Volume 10, Issue 1, 2023, Pages 59-68]
Fuel oil Feasibility Assessment of South Pars Gas Condensate Utilization in the Production of Blended Fuels for Thermal Power Plants [(Articles in Press)]
Fuel station Barriers and Challenges to the Adoption of Compressed Natural Gas (CNG) in the Transportation Sector [Volume 12, Issue 4, 2025, Pages 21-36]
Fuel Stations Technical and practical analysis of Skid mounted LNG plant in IRAN [Volume 7, Issue 1, 2020, Pages 47-56]
Fundamental Changes to the Situation Review the Effects of Sanctions on International Oil Contracts [Volume 7, Issue 1, 2020, Pages 61-69]
Fuzzy logic Intelligent prediction of gas consumption in three-hour intervals, using data recorded in specific time periods [Volume 11, Issue 1, 2024, Pages 46-70]
Fuzzy logic Project Selection in the Portfolio of Projects Using Economic and Non-economic Criteria and Using Fuzzy Logic [Volume 12, Issue 4, 2025, Pages 94-110]

G

Gas absorption and separation A Review of Metal-Organic Framework Nanocomposites and their Application in Gas Storage [Volume 12, Issue 1, 2025, Pages 30-53]
Gas condensate Feasibility Assessment of South Pars Gas Condensate Utilization in the Production of Blended Fuels for Thermal Power Plants [(Articles in Press)]
Gas Condensate Carbonate Reservoirs Evaluation of Matrix Acidizing Job in a Layered Gas Condensate Carbonate Reservoir Using Deconvolution Analysis of Well Test Data Combined with Production Logging Data Interpretation [(Articles in Press)]
Gas Condensate Reservoirs Performance Evaluation of Empirical Correlations to Estimate the Properties of Gas Condensate Reservoirs in South of Iran [Volume 4, Issue 2, 2017, Pages 62-75]
Gas condensate well Investigation of Parameters Affecting the Liquid Loading and Optimizing the Production of One of the Southwest Gas Condensate Wells in Iran [Volume 5, Issue 2, 2018, Pages 57-67]
Gas Contracts Analysis of Turkey's Gas Policy Axes to Review long-Term Gas Contracts (Affecting the Energy Interests of the Islamic Republic of Iran) [Volume 8, Issue 2, 2021, Pages 33-38]
Gas Dehumidification Furnaces Techno-Economic Evaluation Evaluation of Heat Recovery from the Chimney of the Furnaces of the Dehumidification Unit of Bidboland Gas Refinery Using the Organic Rankine Cycle [Volume 10, Issue 2, 2023, Pages 29-41]
Gas demand The Elasticity of Natural Gas Demand in Selected Countries [Volume 9, Issue 2, 2022, Pages 29-46]
Gas Distribution Network A Review on the Recently Developed Methods of the Methane Emission Inventory Estimation in the Natural Gas Distribution Network [Volume 7, Issue 1, 2020, Pages 25-36]
Gas hydrate Study of Nonionic Surfactants Consist of Different Molecular Weight on Inhibitor in Ethane Gas Hydrate Formation [Volume 2, Issue 1, 2015, Pages 6-11]
Gas hydrate Experimental Investigation of Synergistic Effect of Amino Acid Glycine with Various Metal Salts on Preventing of Ethan Gas Hydrate [Volume 2, Issue 1, 2015, Pages 52-56]
Gas hydrate Identifying & Examining the Factors Affecting Drilling in Gas Hydrate Reservoirs [Volume 5, Issue 1, 2018, Pages 53-62]
Gas hydrate Modeling of Gas Hydrate Formation Conditions in Soroush-Abouzar Sea Transmission Line [Volume 6, Issue 1, 2019, Pages 35-40]
Gas imbalance Energy Optimization in Energy-Intensive Industries with a Focus on Engineering Economics: A Case Study of Productivity in International Companies [Volume 13, Issue 1, 2026, Pages 9-36]
Gas injection Sector Model Simulation of Water and Gas Injection Performance of Ilam Oil Reservoir (JOFIER Oilfield) in Compare with Natural Depletion [Volume 5, Issue 1, 2018, Pages 6-15]
Gas injection Visual Investigation of Foam Injection in a Transparent Fractured Porous Medium [Volume 6, Issue 2, 2019, Pages 32-36]
Gas lift A Review of Gas Injection Optimization Studies in Artificial Gas Lift [Volume 10, Issue 2, 2023, Pages 42-60]
Gas Line Vulnerability Vulnerability of high Pressure GAS Lines (Study in Esfarayen City & this Project is protected byNorth Khorasan Gas Company) [Volume 8, Issue 2, 2021, Pages 39-56]
Gasoline Hybrid Neural Network-GA Modeling for Separation of Linear and Branched Paraffins by Adsorption Process for Gasoline Octane Number Improvement [Volume 7, Issue 2, 2020, Pages 18-27]
Gas pipeline resistance test Investigating the Changes of Mechanical and Metallurgical Properties Obtained by Hydrostatic Test Using the Method of 110% Yield Stress in Gas Pipelines [Volume 11, Issue 1, 2024, Pages 22-33]
Gas Processing Plant A review of Unit operations and Processes of Gas Processing Plants [Volume 1, Issue 2, 2014, Pages 8-15]
Gas production reduction Improving Production Conditions to Avoid Liquid Loading In one of the Vertical Gas Wells in Iran [Volume 10, Issue 1, 2023, Pages 69-79]
Gas refinery Estimation of Greenhouse Gas Emissions in two Refineries of Hasheminejad and Fajr Jam and Providing Operational Solutions to Reduce Emissions [Volume 5, Issue 2, 2018, Pages 68-80]
Gas refinery Techno-Economic Evaluation Evaluation of Heat Recovery from the Chimney of the Furnaces of the Dehumidification Unit of Bidboland Gas Refinery Using the Organic Rankine Cycle [Volume 10, Issue 2, 2023, Pages 29-41]
Gas separation Molecular Dynamics Simulations of Membrane-Based Gas Separation: Overview, Challenges and Future Perspectives [Volume 12, Issue 3, 2025, Pages 69-84]
Gassing Zone The Influence of Molecular Diffusion Mechanism in the Production of Fractured Oil Reservoirs [Volume 3, Issue 1, 2016, Pages 77-86]
Gas storage A Review of Metal-Organic Framework Nanocomposites and their Application in Gas Storage [Volume 12, Issue 1, 2025, Pages 30-53]
Gas storage An Overview of CO2 Storage in Subsurface Structures: Advances, Challenges, and Perspectives [Volume 12, Issue 1, 2025, Pages 91-115]
Gas stream Gas Desulfurization Process Using ZnO Nanoparticles [Volume 1, Issue 1, 2014, Pages 46-52]
Gas to liquid Flare Gases Management with Recovery Methods Utilization [Volume 4, Issue 1, 2017, Pages 17-28]
Gas to Liquid (GTL) Provide a method for designing a bubble column reactor for the converting natural gas to liquid fuel [Volume 6, Issue 2, 2019, Pages 17-23]
Gas transmission Techno-economic Prioritization of Emission Reduction Methods in Iranian Gas Transmission Facilities [Volume 5, Issue 1, 2018, Pages 21-36]
Gas transmission Evaluation of Greenhouse Gases Emission Inventory in Iranian Gas Transmission Facilities and Pipeline [Volume 5, Issue 1, 2018, Pages 63-71]
Gas Transmission Pipelines The Necessity of Innovation in Gas Pipeline Construction [Volume 12, Issue 2, 2025, Pages 6-7]
Gas treating unit Techno-Economical Feasibility Study on Heat Pipes Applications in Operational Units of Khangiran Gas Refinery [Volume 4, Issue 1, 2017, Pages 40-56]
Gas Turbine Design Criteria and Performance Assessment of Multi-Stage Gas Turbine Inlet Air Filtration Systems [(Articles in Press)]
General Conditions of Contract Contractor Breach and Guarantee of its Implementation in the General Terms of the Matched Contract (Pc) of the Oil Industry [Volume 8, Issue 1, 2021, Pages 68-80]
Generative AI Artificial Intelligence: A New Reality for the Chemical Industries [Volume 11, Issue 1, 2024, Pages 7-7]
Geolog software Optimization of Petrophysical Evaluation Utilizing Variable Cementation Factor for Identification of Pay-Zones in a Field within Zagros Bain [Volume 12, Issue 3, 2025, Pages 25-38]
GIS Vulnerability of high Pressure GAS Lines (Study in Esfarayen City & this Project is protected byNorth Khorasan Gas Company) [Volume 8, Issue 2, 2021, Pages 39-56]
Global warming An Overview of CO2 Storage in Subsurface Structures: Advances, Challenges, and Perspectives [Volume 12, Issue 1, 2025, Pages 91-115]
Glycerol Investigation and Thermodynamic Analysis of Steam Reforming of Glycerin and Ethanol for Hydrogen Production [Volume 2, Issue 1, 2015, Pages 12-28]
Glycine amino acids Effect of amino acids of glycine on the kinetic of hydrate formation tetrahydrofuran [Volume 1, Issue 2, 2014, Pages 43-49]
Graphene Experimental Study on Affect of Graphene Surface Chemistry on the Process of Methane Hydrate Formation and its Storage and Stability [Volume 5, Issue 2, 2018, Pages 8-19]
Graphene Accelerating the Nucleation Process Nonporous Materials in Gas Storage [Volume 7, Issue 2, 2020, Pages 73-81]
Greenhouse Gas Study of Physical Solvents Suitable for Acid Gas Removal Processes from Gas Streams [Volume 1, Issue 1, 2014, Pages 53-60]
Greenhouse Gas Carbon Dioxide, Challenges, Sources and Industrial Applications: an Overview of Methods for Transport, Absorption and Emission Reduction [Volume 12, Issue 2, 2025, Pages 73-89]
Greenhouse gas emissions Estimation of Greenhouse Gas Emissions in two Refineries of Hasheminejad and Fajr Jam and Providing Operational Solutions to Reduce Emissions [Volume 5, Issue 2, 2018, Pages 68-80]
Greenhouse gases Techno-economic Prioritization of Emission Reduction Methods in Iranian Gas Transmission Facilities [Volume 5, Issue 1, 2018, Pages 21-36]
Greenhouse gases Evaluation of Greenhouse Gases Emission Inventory in Iranian Gas Transmission Facilities and Pipeline [Volume 5, Issue 1, 2018, Pages 63-71]
Greenhouse gases Economical and Environmental Study of Using Micro Combined Heat and Power in Residental House in Tehran [Volume 10, Issue 1, 2023, Pages 28-42]
Greenhouse gases An Overview of CO2 Storage in Subsurface Structures: Advances, Challenges, and Perspectives [Volume 12, Issue 1, 2025, Pages 91-115]
Green Hydrogen The Application of Nano photocatalyst in the Production of Synthesis Gas for the Production of Renewable Methanol: An Experimental and Review Study [Volume 9, Issue 1, 2022, Pages 39-56]
Green nanomaterials A Comprehensive Review of Nanomaterial Applications in Enhanced Oil Recovery (EOR): Mechanisms, Challenges, and Future Trends [Volume 12, Issue 4, 2025, Pages 80-93]
Grey Hydrogen A Review of the Role of Carbon Capture, Storage, and Utilization Units (CCS, CCU, and CCUS) in the Transition from Gray Hydrogen to Blue Hydrogen [Volume 12, Issue 2, 2025, Pages 50-72]
Ground bed Quantitative and Qualitative Study of Water Wells in Cathodic Protection System of Gas Pipelines [Volume 9, Issue 1, 2022, Pages 18-26]
GTL Investigation of the Performance of Iron Nanocatalysts in Liquid Fuel Production from Synthetic Gases: Empirical Studies and CFD Modeling [Volume 4, Issue 1, 2017, Pages 57-66]

H

Half-Elliptic Cracks Three-Dimensional Simulation and the Effect of Temperature on Axial and Peripheral Quasielliptical Cracks in Cylindrical Tanks [Volume 7, Issue 1, 2020, Pages 37-46]
HAZ Sulfide Stress Corrosion with Crack (SSC) in Heat Affected Zone in Sour Gas Pipelines [Volume 1, Issue 1, 2014, Pages 17-26]
Hazard and Operability study Investigation of Important Parameters in Hazard and Operability Study (HAZOP) Shahid Hasheminejad Gas Refinery Tank Farm and Loading Unit [Volume 2, Issue 1, 2015, Pages 46-51]
HAZOP Investigation of Important Parameters in Hazard and Operability Study (HAZOP) Shahid Hasheminejad Gas Refinery Tank Farm and Loading Unit [Volume 2, Issue 1, 2015, Pages 46-51]
Heat Pipe Techno-Economical Feasibility Study on Heat Pipes Applications in Operational Units of Khangiran Gas Refinery [Volume 4, Issue 1, 2017, Pages 40-56]
Heat recovery Techno-Economical Feasibility Study on Heat Pipes Applications in Operational Units of Khangiran Gas Refinery [Volume 4, Issue 1, 2017, Pages 40-56]
Heat recovery Technical and Economic Analysis of a Cogeneration System Based on Solid Oxide Fuel Cell (SOFC) Technology for Building Application [Volume 5, Issue 1, 2018, Pages 37-52]
Heat Transfer A Review on Theoretical and Experimental Studies on Improving the Thermal Conductivity Coefficient of Nanofluids [Volume 4, Issue 1, 2017, Pages 7-16]
Heat Transfer Heat Transfer Improve in Heat Exchangers using Flow of Nanofluids [Volume 4, Issue 2, 2017, Pages 25-33]
Heavy crude oil A Review of Heavy Crude Oil Viscosity Reduction Methods Using Nanocatalysts and Other Techniques [Volume 12, Issue 2, 2025, Pages 18-49]
Heavy hydrocarbons A Semi-empirical Correlation for the Liquid Density of Heavy Hydrocarbons in Certain Pressure and Temperature Ranges [Volume 12, Issue 1, 2025, Pages 18-29]
Helium Investigation of Helium Situation in the World to Plan this New Important Economic Resource for Iran [Volume 7, Issue 2, 2020, Pages 39-47]
Helium recovery Techno-Economic Comparison of Helium Recovery from Natural Gas Using Polymeric Membranes Simulation [Volume 12, Issue 4, 2025, Pages 10-20]
Heterogeneous Catalysis Fischer Tropsch Synthesis Based on Heterogeneous Catalysis from Syngas [Volume 2, Issue 1, 2015, Pages 58-68]
Hierarchically structured adsorbent particles The Importance of Solid Particle Technology in Natural Gas Processing [Volume 11, Issue 2, 2024, Pages 6-7]
Hot Corrosion Feasibility Assessment of South Pars Gas Condensate Utilization in the Production of Blended Fuels for Thermal Power Plants [(Articles in Press)]
HP flare Investigating the Performance of the High-Pressure Flare of South Pars Fifth Refinery and the Factors Affecting its Performance Using CFD Simulation [Volume 9, Issue 2, 2022, Pages 69-82]
Hydrate Separation of Methane from Natural Gas by New Method of MWNT in Hydrates Process [Volume 2, Issue 1, 2015, Pages 37-45]
Hydrate Investigation of Polystyrene/SDBS Effect on Methane Hydrate Formation in Presence of Zinc Nanoparticles [Volume 6, Issue 2, 2019, Pages 6-16]
Hydrocarbon Generation Potential Evaluation of Hydrocarbon Generation Potential of the Pabdeh Formation as a Probable Source Rock across Dezful Embayment, Southwestern Iran [Volume 9, Issue 1, 2022, Pages 27-38]
Hydrogen A Review of Metal-Organic Framework Nanocomposites and their Application in Gas Storage [Volume 12, Issue 1, 2025, Pages 30-53]
Hydrogen A Review of Hydrogen Gas Storage Methods as an Energy Carrier [Volume 12, Issue 4, 2025, Pages 36-57]
Hydrogenation of carbon monoxide Enhancing the Performance of Cobalt Catalyst in Fischer-Tropsch Synthesis Using Natural Clinoptilolite Zeolite: Experimental Study and Optimization [(Articles in Press)]
Hydrogen production Investigation and Thermodynamic Analysis of Steam Reforming of Glycerin and Ethanol for Hydrogen Production [Volume 2, Issue 1, 2015, Pages 12-28]
Hydrotreating reactor Simulation and Optimization of Hydrotreating Section of Catalytic Reforming Unit of Abadan Oil Refinery with Aspen Hysys [Volume 7, Issue 2, 2020, Pages 7-17]
Hysys Modeling of Gas Hydrate Formation Conditions in Soroush-Abouzar Sea Transmission Line [Volume 6, Issue 1, 2019, Pages 35-40]
HZSM5 Nano Zeolite Methanol Conversion to Light Aromatics Using HZSM5 Nano Zeolite: Effects of Operating Conditions [Volume 13, Issue 1, 2026, Pages 71-89]

I

ILAM Formation Sector Model Simulation of Water and Gas Injection Performance of Ilam Oil Reservoir (JOFIER Oilfield) in Compare with Natural Depletion [Volume 5, Issue 1, 2018, Pages 6-15]
Implementation Recreating the classification of stakeholders by overcoming the limitations of the current power and interest matrix, case study: Oil product storage terminal in the special shipping zone of Imam Khomeini Port [(Articles in Press)]
Improved Oil Recovery Preferment of the Planning and Implementation of Improved Oil Recovery (IOR) Processes in Iranian Oil and Gas Reservoirs by SWOT Analysis [Volume 4, Issue 1, 2017, Pages 67-76]
Induction time Effect of amino acids of glycine on the kinetic of hydrate formation tetrahydrofuran [Volume 1, Issue 2, 2014, Pages 43-49]
Industrial plasma Plasma Technology in Oil, Gas and Petrochemical Industries: Research to Development Opportunities [Volume 2, Issue 1, 2015, Pages 29-36]
Injection Gas Storage Services Contract [Volume 9, Issue 2, 2022, Pages 83-92]
Intelligent Inspection The Necessity of Innovation in Gas Pipeline Construction [Volume 12, Issue 2, 2025, Pages 6-7]
Interfacial tension A Comprehensive Review of Nanomaterial Applications in Enhanced Oil Recovery (EOR): Mechanisms, Challenges, and Future Trends [Volume 12, Issue 4, 2025, Pages 80-93]
Internal efficiency rate Technical and Economic Comparison of Propylene Production Methods through Propane Dehydrogenation (PDH) Technologies [Volume 8, Issue 1, 2021, Pages 40-52]
International Oil Companies Review the Effects of Sanctions on International Oil Contracts [Volume 7, Issue 1, 2020, Pages 61-69]
International standards Design Criteria and Performance Assessment of Multi-Stage Gas Turbine Inlet Air Filtration Systems [(Articles in Press)]
Internet of Things (IoT) Artificial Intelligence: A New Reality for the Chemical Industries [Volume 11, Issue 1, 2024, Pages 7-7]
Interpretive Structural Modeling Interpretive Structural Modeling of the Antecedents of Lean Human Resource Management in Sarkhoon and Qeshm Gas Refining Company [Volume 13, Issue 1, 2026, Pages 37-52]
Interview Preferment of the Planning and Implementation of Improved Oil Recovery (IOR) Processes in Iranian Oil and Gas Reservoirs by SWOT Analysis [Volume 4, Issue 1, 2017, Pages 67-76]
Iran Investigation of Helium Situation in the World to Plan this New Important Economic Resource for Iran [Volume 7, Issue 2, 2020, Pages 39-47]
Iran Case Studies Legal Policies for Technology Transfer in Gas Storage Projects [Volume 12, Issue 2, 2025, Pages 108-121]
Iron Fischer Tropsch Synthesis Based on Heterogeneous Catalysis from Syngas [Volume 2, Issue 1, 2015, Pages 58-68]
Islamic Republic of Iran Analysis of Turkey's Gas Policy Axes to Review long-Term Gas Contracts (Affecting the Energy Interests of the Islamic Republic of Iran) [Volume 8, Issue 2, 2021, Pages 33-38]

L

La Promoter Study and Preparation of Copper Nano Catalyst and Evaluation of its Performance in the Oxidation Reaction of Carbon Monoxide to Carbon Dioxide [Volume 8, Issue 2, 2021, Pages 23-32]
Lauryl alcohol ethoxylate Study of Nonionic Surfactants Consist of Different Molecular Weight on Inhibitor in Ethane Gas Hydrate Formation [Volume 2, Issue 1, 2015, Pages 6-11]
Leakage Investigation of the Mechanism and Causes of the Destruction of the Leakage Damage of the Underground Pipeline Outlet of the Gas Pressure Reduction Station [Volume 12, Issue 1, 2025, Pages 8-17]
Lean HRM Interpretive Structural Modeling of the Antecedents of Lean Human Resource Management in Sarkhoon and Qeshm Gas Refining Company [Volume 13, Issue 1, 2026, Pages 37-52]
Lean Thinking Interpretive Structural Modeling of the Antecedents of Lean Human Resource Management in Sarkhoon and Qeshm Gas Refining Company [Volume 13, Issue 1, 2026, Pages 37-52]
Legal Policymaking Legal Policies for Technology Transfer in Gas Storage Projects [Volume 12, Issue 2, 2025, Pages 108-121]
Light Aromatics Methanol Conversion to Light Aromatics Using HZSM5 Nano Zeolite: Effects of Operating Conditions [Volume 13, Issue 1, 2026, Pages 71-89]
Liquefaction Technical and practical analysis of Skid mounted LNG plant in IRAN [Volume 7, Issue 1, 2020, Pages 47-56]
Liquefied Natural Gas A Novel Design for Plate Fin Heat Exchanger in LNG Propane Precooled Cycle [Volume 6, Issue 1, 2019, Pages 14-25]
Liquefied Petroleum Gas Investigating the Appropriate Service Model in the Iranian Liquefied Gas Industry: A World Class Approach [Volume 8, Issue 1, 2021, Pages 53-67]
Liquid density A Semi-empirical Correlation for the Liquid Density of Heavy Hydrocarbons in Certain Pressure and Temperature Ranges [Volume 12, Issue 1, 2025, Pages 18-29]
Liquid loading Investigation of Parameters Affecting the Liquid Loading and Optimizing the Production of One of the Southwest Gas Condensate Wells in Iran [Volume 5, Issue 2, 2018, Pages 57-67]
Liquid loading Improving Production Conditions to Avoid Liquid Loading In one of the Vertical Gas Wells in Iran [Volume 10, Issue 1, 2023, Pages 69-79]
LNG Simulation of Evaporation and Condensation Phenomena in the Plate-Fin Converter of the LNG Process Using the CFD Method and Assessing Aspen Muse Software Performance [Volume 6, Issue 1, 2019, Pages 6-13]
LNG Technical and practical analysis of Skid mounted LNG plant in IRAN [Volume 7, Issue 1, 2020, Pages 47-56]
LNG Simulation of the Recovery of Gases Sent to the Flare for their Reuse as Hydrocarbon Fuel Sources [Volume 9, Issue 1, 2022, Pages 76-85]
Location Locating Strategic Oil and Gas Reservoirs with Decision-Making and Linear Planning Techniques [Volume 9, Issue 2, 2022, Pages 8-28]
Logging Identifying & Examining the Factors Affecting Drilling in Gas Hydrate Reservoirs [Volume 5, Issue 1, 2018, Pages 53-62]
Long-Term Analysis of Turkey's Gas Policy Axes to Review long-Term Gas Contracts (Affecting the Energy Interests of the Islamic Republic of Iran) [Volume 8, Issue 2, 2021, Pages 33-38]
Low‑Carbon Hydrogen The Future of Natural Gas: Energy Transition, Hydrogen, and Low-Carbon Fuels [Volume 12, Issue 3, 2025, Pages 7-10]
LPG Decreasing the Inlet Mercaptan to LPG Treatment to Increase the Efficiency of Adsorber section [Volume 6, Issue 1, 2019, Pages 26-34]
LPG Simulation of Converting Flare Gas to Gasoline (FGTG) Process with the Approach Reducing Energy Consumption and Increasing Productivity [Volume 7, Issue 2, 2020, Pages 47-63]
LPG industrial flare Investigating the Performance of the LPG Flare of the Fifth South Pars refinery Using CFD Simulation and Providing a Solution [Volume 11, Issue 1, 2024, Pages 8-21]

M

Machine Learning Using Machine Learning to Predict Gel Acids' Viscosity in Carbonate Reservoirs: Neural Networks Validation with Laboratory Data [Volume 11, Issue 2, 2024, Pages 43-51]
Machine Learning Machine Learning Applications in the Prediction and Management of Sand Production in Oil and Gas Wells-a Review Study [Volume 12, Issue 1, 2025, Pages 54-69]
Machine Learning Prediction of Wax Deposition Using Machine Learning Algorithms: Multilayer Perceptron and Random Forest [Volume 12, Issue 2, 2025, Pages 8-17]
Machine Learning Prediction of Sand Passage Rate Through Slotted Liner Using Machine Learning Algorithms [Volume 13, Issue 1, 2026, Pages 103-118]
Machine Learning (ML) Artificial Intelligence: A New Reality for the Chemical Industries [Volume 11, Issue 1, 2024, Pages 7-7]
Major Trade Review the Effects of Sanctions on International Oil Contracts [Volume 7, Issue 1, 2020, Pages 61-69]
Management Digital Transformation for Process Industries [Volume 10, Issue 2, 2023, Pages 61-68]
Materials and energy Novel Biological and Bioelectrochemical Technologies for Petrochemical Wastewater Treatment and Simultaneous Bioenergy Generation: an Investigative and Comparative Review [Volume 11, Issue 1, 2024, Pages 87-98]
MATLAB Comparative study of machine learning models and time series models for predicting natural gas consumption in industries [(Articles in Press)]
Matrix acidizing Using Machine Learning to Predict Gel Acids' Viscosity in Carbonate Reservoirs: Neural Networks Validation with Laboratory Data [Volume 11, Issue 2, 2024, Pages 43-51]
Matrix-Acidizing Evaluation of Matrix Acidizing Job in a Layered Gas Condensate Carbonate Reservoir Using Deconvolution Analysis of Well Test Data Combined with Production Logging Data Interpretation [(Articles in Press)]
Mechanical properties Investigation of the Impact of Solid Particles Suspended in Fluid on Steel Pipe Erosion: CFD Analysis and Experimental Validation [Volume 12, Issue 4, 2025, Pages 58-79]
Mechanization of Construction Operations The Necessity of Innovation in Gas Pipeline Construction [Volume 12, Issue 2, 2025, Pages 6-7]
Membrane Economic Evaluation of Water Desalination and Power Generation Using Flare Gases of Assaluyeh [Volume 8, Issue 1, 2021, Pages 7-17]
Membrane Molecular Dynamics Simulations of Membrane-Based Gas Separation: Overview, Challenges and Future Perspectives [Volume 12, Issue 3, 2025, Pages 69-84]
Membrane gas separation Mechanisms of Gas Separation by Membrane [Volume 1, Issue 1, 2014, Pages 10-16]
Membrane process Simulation of Converting Flare Gas to Gasoline (FGTG) Process with the Approach Reducing Energy Consumption and Increasing Productivity [Volume 7, Issue 2, 2020, Pages 47-63]
Metaheuristic Methods A Review of Gas Injection Optimization Studies in Artificial Gas Lift [Volume 10, Issue 2, 2023, Pages 42-60]
Metal-organic framework nanocomposites A Review of Metal-Organic Framework Nanocomposites and their Application in Gas Storage [Volume 12, Issue 1, 2025, Pages 30-53]
Metal-organic frameworks (MOFs) A Review on Metal-Organic Framework Nanoadsorbents and their Application in Dewatering Processes [Volume 4, Issue 1, 2017, Pages 29-39]
Methane Review of Methanol Synthesis, Proposal of Production Mechanism Based on Colloidal Suspension Potential and DFT Method [Volume 10, Issue 1, 2023, Pages 8-27]
Methane A Review of Metal-Organic Framework Nanocomposites and their Application in Gas Storage [Volume 12, Issue 1, 2025, Pages 30-53]
Methane-carbon dioxide separation Sensitivity Analysis and Economic Optimization of Multistage Membrane Configurations for Carbon Dioxide Separation from Methane [Volume 13, Issue 1, 2026, Pages 53-70]
Methane Emission Measurement A Review on the Recently Developed Methods of the Methane Emission Inventory Estimation in the Natural Gas Distribution Network [Volume 7, Issue 1, 2020, Pages 25-36]
Methane Hydrates Experimental Study on Affect of Graphene Surface Chemistry on the Process of Methane Hydrate Formation and its Storage and Stability [Volume 5, Issue 2, 2018, Pages 8-19]
Methane pollutant Using non-commercial satellite data to investigate methane emissions in the northeastern provinces and the Iran-Turkmenistan border [(Articles in Press)]
MethaneSAT Using non-commercial satellite data to investigate methane emissions in the northeastern provinces and the Iran-Turkmenistan border [(Articles in Press)]
Methane tri-reforming Comparing the Modeling of Thermal Coupling of the Catalytic Processes of Methane Triforming and Methanol Dehydrogenation in Fixed and Fluid Beds [Volume 5, Issue 2, 2018, Pages 20-30]
Methanol Review of Methanol Synthesis, Proposal of Production Mechanism Based on Colloidal Suspension Potential and DFT Method [Volume 10, Issue 1, 2023, Pages 8-27]
Methanol Dehydrogenation Comparing the Modeling of Thermal Coupling of the Catalytic Processes of Methane Triforming and Methanol Dehydrogenation in Fixed and Fluid Beds [Volume 5, Issue 2, 2018, Pages 20-30]
Methanol to Aromatics Methanol Conversion to Light Aromatics Using HZSM5 Nano Zeolite: Effects of Operating Conditions [Volume 13, Issue 1, 2026, Pages 71-89]
Methanol to gasoline Simulation of Converting Flare Gas to Gasoline (FGTG) Process with the Approach Reducing Energy Consumption and Increasing Productivity [Volume 7, Issue 2, 2020, Pages 47-63]
Methyl diethanolamine adsorbent solvent Simulation of the Recovery of Gases Sent to the Flare for their Reuse as Hydrocarbon Fuel Sources [Volume 9, Issue 1, 2022, Pages 76-85]
MICMAC analysis Interpretive Structural Modeling of the Antecedents of Lean Human Resource Management in Sarkhoon and Qeshm Gas Refining Company [Volume 13, Issue 1, 2026, Pages 37-52]
Microchannel Modeling of the Parallel-Competitive Reaction of Villermaux-Dushman in Selected Microreactors Using COMSOl Software [Volume 7, Issue 1, 2020, Pages 16-24]
Micro model Visual Investigation of Foam Injection in a Transparent Fractured Porous Medium [Volume 6, Issue 2, 2019, Pages 32-36]
Mini LNG unit Technical and Economic Feasibility Study of Constructing a Mini LNG Unit to Supply Gas for Major Consumers in Khorasan Razavi Province During Peak Times [Volume 9, Issue 1, 2022, Pages 8-17]
Mixed-matrix membrane Investigation of Natural Gas Separation Performance Using AC/PES Mixed Matrix Membrane: Laboratory Section [Volume 12, Issue 3, 2025, Pages 39-56]
Mixed Matrix Membrane Investigation of Methane and Carbon Dioxide Gases Permeability through PEBAX/PEG/ZnO Nanoparticle Mixed Matrix Membrane [Volume 4, Issue 2, 2017, Pages 15-24]
Mixed Matrix Membrane Sensitivity Analysis and Economic Optimization of Multistage Membrane Configurations for Carbon Dioxide Separation from Methane [Volume 13, Issue 1, 2026, Pages 53-70]
Mixing Modeling of the Parallel-Competitive Reaction of Villermaux-Dushman in Selected Microreactors Using COMSOl Software [Volume 7, Issue 1, 2020, Pages 16-24]
Mixing Investigation of the Influence of Key Parameters on the Mixing Efficiency of Two Fluids in Multi-Stage Micro-Mixers Based on Tesla Valve Structure [Volume 11, Issue 2, 2024, Pages 52-64]
Modeling The Modeling of the Oxidative Coupling of Methane [Volume 1, Issue 1, 2014, Pages 60-69]
Modified Claus Process Dynamic Simulation and Investigation of Changes in Operating Parameters on the Amount of Sulfur Produced in the SRU Unit - a Case Study of the No 1 Refinery of South Pars Gas Complex [Volume 9, Issue 1, 2022, Pages 57-75]
Molecular Dynamics Simulation Molecular Dynamics Simulations of Membrane-Based Gas Separation: Overview, Challenges and Future Perspectives [Volume 12, Issue 3, 2025, Pages 69-84]
Molten sulfur A review on the catalytic degassing processes of molten sulfur [Volume 3, Issue 1, 2016, Pages 64-69]
Monolith reactor Steam Methane Reforming(SMR) Reaction in Monolith Reactors Using CFD Modeling [Volume 1, Issue 2, 2014, Pages 50-57]
MTBE Unit The Application of Nano photocatalyst in the Production of Synthesis Gas for the Production of Renewable Methanol: An Experimental and Review Study [Volume 9, Issue 1, 2022, Pages 39-56]
Multilayer perceptron algorithm Prediction of Drilling Fluid Temperature Window and Formation of Gas Hydrates During Drilling in Deep Water Using Machine Learning Algorithms [Volume 11, Issue 1, 2024, Pages 71-86]
Multi-objective optimization Simulation and optimization of the coal gasification process using an entrained flow gasifier to produce synthesis gas [(Articles in Press)]
Multi-objective optimization Enhancing the Performance of Cobalt Catalyst in Fischer-Tropsch Synthesis Using Natural Clinoptilolite Zeolite: Experimental Study and Optimization [(Articles in Press)]
Multi-Stage Flash Economic Evaluation of Water Desalination and Power Generation Using Flare Gases of Assaluyeh [Volume 8, Issue 1, 2021, Pages 7-17]
Multi-tubular fixed-bed Design of a Reactor for Converting Syngas to Liquid Fuel in a Fixed-Bed Multi-Tube Compact Reactor: Experimental Study on Catalyst Kinetics and Design for Co/Al2O3 Catalyst [Volume 11, Issue 2, 2024, Pages 15-29]
Multi walled carbon nanotubes Separation of Methane from Natural Gas by New Method of MWNT in Hydrates Process [Volume 2, Issue 1, 2015, Pages 37-45]

N

Nano Investigation of the Performance of Iron Nanocatalysts in Liquid Fuel Production from Synthetic Gases: Empirical Studies and CFD Modeling [Volume 4, Issue 1, 2017, Pages 57-66]
Nano-bonded Mechanical Property Optimization of High Alumina Castables via Formulation Adjustment in Petrochemical Applications [Volume 13, Issue 1, 2026, Pages 90-102]
Nanocatalyst synthesis A Review of Heavy Crude Oil Viscosity Reduction Methods Using Nanocatalysts and Other Techniques [Volume 12, Issue 2, 2025, Pages 18-49]
Nanofluids A Review on Theoretical and Experimental Studies on Improving the Thermal Conductivity Coefficient of Nanofluids [Volume 4, Issue 1, 2017, Pages 7-16]
Nanofluids A Comprehensive Review of Nanomaterial Applications in Enhanced Oil Recovery (EOR): Mechanisms, Challenges, and Future Trends [Volume 12, Issue 4, 2025, Pages 80-93]
Nano photocatalyst The Application of Nano photocatalyst in the Production of Synthesis Gas for the Production of Renewable Methanol: An Experimental and Review Study [Volume 9, Issue 1, 2022, Pages 39-56]
Nanotechnology Application of Nanotechnology in Enhanced Oil Recovery (EOR) [Volume 1, Issue 2, 2014, Pages 33-42]
Nanotechnology Molecular Dynamics Simulations of Membrane-Based Gas Separation: Overview, Challenges and Future Perspectives [Volume 12, Issue 3, 2025, Pages 69-84]
Nanotechnology A Comprehensive Review of Nanomaterial Applications in Enhanced Oil Recovery (EOR): Mechanisms, Challenges, and Future Trends [Volume 12, Issue 4, 2025, Pages 80-93]
Natural gas A review of Unit operations and Processes of Gas Processing Plants [Volume 1, Issue 2, 2014, Pages 8-15]
Natural gas The Role of Natural Gas in the Environment and Resistance Economy [Volume 4, Issue 2, 2017, Pages 8-14]
Natural gas A Review of Different for Preventing Deposition of Elemental Sulfur in Natural Gas Pipelines and Comparison them [Volume 5, Issue 2, 2018, Pages 31-43]
Natural gas Modeling of Gas Hydrate Formation Conditions in Soroush-Abouzar Sea Transmission Line [Volume 6, Issue 1, 2019, Pages 35-40]
Natural gas Technical and Economic Investigation of Methods to Satisfy Thermal Energy Demands of Off-grid Gas Pipeline Area – Case Study: Khorasan Razavi Province [Volume 8, Issue 1, 2021, Pages 28-39]
Natural gas Designing a Diversion Model for Natural Gas Consumers (case study: Gas Company of Mazandaran Province) [Volume 9, Issue 2, 2022, Pages 47-58]
Natural gas Simulation of Natural Gas Transmission in the Pipeline in Two-Phase and Supercritical Conditions [Volume 10, Issue 2, 2023, Pages 8-16]
Natural gas The Future of Natural Gas: Energy Transition, Hydrogen, and Low-Carbon Fuels [Volume 12, Issue 3, 2025, Pages 7-10]
Natural gas hydrates Prediction of Drilling Fluid Temperature Window and Formation of Gas Hydrates During Drilling in Deep Water Using Machine Learning Algorithms [Volume 11, Issue 1, 2024, Pages 71-86]
Natural Gas Vehicle (NGV) Barriers and Challenges to the Adoption of Compressed Natural Gas (CNG) in the Transportation Sector [Volume 12, Issue 4, 2025, Pages 21-36]
Naturally fractured reservoir Visual Investigation of Foam Injection in a Transparent Fractured Porous Medium [Volume 6, Issue 2, 2019, Pages 32-36]
Necessity of Underground Storage Construction Investigating the Necessity of Underground Storage Construction for Natural Gas in Razavi Khorasan Province [Volume 7, Issue 2, 2020, Pages 28-38]
Neural network Hybrid Neural Network-GA Modeling for Separation of Linear and Branched Paraffins by Adsorption Process for Gasoline Octane Number Improvement [Volume 7, Issue 2, 2020, Pages 18-27]
Neural Networks Using Machine Learning to Predict Gel Acids' Viscosity in Carbonate Reservoirs: Neural Networks Validation with Laboratory Data [Volume 11, Issue 2, 2024, Pages 43-51]
Non-Catalytic Reactor Syngas Production in Non-catalytic Partial Oxidation Reactor in Porous Media [Volume 6, Issue 2, 2019, Pages 37-42]
Nonionic Surfactants Study of Nonionic Surfactants Consist of Different Molecular Weight on Inhibitor in Ethane Gas Hydrate Formation [Volume 2, Issue 1, 2015, Pages 6-11]
Nucleation Investigation of Polystyrene/SDBS Effect on Methane Hydrate Formation in Presence of Zinc Nanoparticles [Volume 6, Issue 2, 2019, Pages 6-16]
Nucleation Accelerating the Nucleation Process Nonporous Materials in Gas Storage [Volume 7, Issue 2, 2020, Pages 73-81]
Numerical Modeling Investigation of the Impact of Solid Particles Suspended in Fluid on Steel Pipe Erosion: CFD Analysis and Experimental Validation [Volume 12, Issue 4, 2025, Pages 58-79]

O

Octane Number Hybrid Neural Network-GA Modeling for Separation of Linear and Branched Paraffins by Adsorption Process for Gasoline Octane Number Improvement [Volume 7, Issue 2, 2020, Pages 18-27]
Oil and Gas Reservoirs A Review of Hydrogen Gas Storage Methods as an Energy Carrier [Volume 12, Issue 4, 2025, Pages 36-57]
Oil and Gas Storage Locating Strategic Oil and Gas Reservoirs with Decision-Making and Linear Planning Techniques [Volume 9, Issue 2, 2022, Pages 8-28]
Oil Contract Legal Status of Production-sharing Agreements in Iran [Volume 6, Issue 2, 2019, Pages 53-63]
Oil Contracts Review the Effects of Sanctions on International Oil Contracts [Volume 7, Issue 1, 2020, Pages 61-69]
Oil displacement Visual Investigation of Foam Injection in a Transparent Fractured Porous Medium [Volume 6, Issue 2, 2019, Pages 32-36]
Oil &‌ Gas Industry Recreating the classification of stakeholders by overcoming the limitations of the current power and interest matrix, case study: Oil product storage terminal in the special shipping zone of Imam Khomeini Port [(Articles in Press)]
Oil production A Review of Gas Injection Optimization Studies in Artificial Gas Lift [Volume 10, Issue 2, 2023, Pages 42-60]
Oil production Machine Learning Applications in the Prediction and Management of Sand Production in Oil and Gas Wells-a Review Study [Volume 12, Issue 1, 2025, Pages 54-69]
Oil recovery A Comprehensive Review of Nanomaterial Applications in Enhanced Oil Recovery (EOR): Mechanisms, Challenges, and Future Trends [Volume 12, Issue 4, 2025, Pages 80-93]
Oil Regulations Legal Status of Production-sharing Agreements in Iran [Volume 6, Issue 2, 2019, Pages 53-63]
Operating conditions Methanol Conversion to Light Aromatics Using HZSM5 Nano Zeolite: Effects of Operating Conditions [Volume 13, Issue 1, 2026, Pages 71-89]
Operation Units A review of Unit operations and Processes of Gas Processing Plants [Volume 1, Issue 2, 2014, Pages 8-15]
Optimization Optimization and Evaluation Gas Sweetening Unit Using by Genetic Algorithm with Quadratic Search [Volume 3, Issue 1, 2016, Pages 31-63]
Optimization Investigation of Parameters Affecting the Liquid Loading and Optimizing the Production of One of the Southwest Gas Condensate Wells in Iran [Volume 5, Issue 2, 2018, Pages 57-67]
Optimization Simulation and Optimization of Ethane Recovery Process in Bandar Imam Petrochemical Company [Volume 6, Issue 2, 2019, Pages 24-31]
Optimization Simulation and Optimization of Air Separation Unit of Lorestan Petrochemicals Using Aspen Hysys Software [Volume 6, Issue 2, 2019, Pages 43-52]
Optimization Investigation on LNG Plant in Small Scale [Volume 7, Issue 1, 2020, Pages 6-15]
Optimization Simulation and Optimization of Hydrotreating Section of Catalytic Reforming Unit of Abadan Oil Refinery with Aspen Hysys [Volume 7, Issue 2, 2020, Pages 7-17]
Optimization Use of Whale Meta-Heuristic Algorithm to Promote the Design of Steel Pipe Racks in Refineries [Volume 11, Issue 2, 2024, Pages 65-77]
Optimization of column sequencing Simulation and Comparison Different Methods Separation for Benzene Removal [Volume 3, Issue 1, 2016, Pages 5-19]
Organizational Culture Developing a Model for the Enhancement and Promotion of Organizational Culture in Sarkhoon and Qeshm Gas Refining Company [Volume 12, Issue 3, 2025, Pages 85-109]
Organizational Culture Modeling Developing a Model for the Enhancement and Promotion of Organizational Culture in Sarkhoon and Qeshm Gas Refining Company [Volume 12, Issue 3, 2025, Pages 85-109]
Overall Uncertainty Gas Measurement Systems Overall Uncertainty: Gas Meter Calibration Laboratories Case Study [Volume 10, Issue 2, 2023, Pages 17-28]
Ownership Gas Storage Services Contract [Volume 9, Issue 2, 2022, Pages 83-92]
Oxidating coupling of Methane The Modeling of the Oxidative Coupling of Methane [Volume 1, Issue 1, 2014, Pages 60-69]
Oxidation Experimental Study on Affect of Graphene Surface Chemistry on the Process of Methane Hydrate Formation and its Storage and Stability [Volume 5, Issue 2, 2018, Pages 8-19]

P

Panel Data The Elasticity of Natural Gas Demand in Selected Countries [Volume 9, Issue 2, 2022, Pages 29-46]
Paradigmatic Model Developing a Model for the Enhancement and Promotion of Organizational Culture in Sarkhoon and Qeshm Gas Refining Company [Volume 12, Issue 3, 2025, Pages 85-109]
Parallel-Competitive Reaction of Villermaux-Dushman Modeling of the Parallel-Competitive Reaction of Villermaux-Dushman in Selected Microreactors Using COMSOl Software [Volume 7, Issue 1, 2020, Pages 16-24]
Particulate solid technology The Importance of Solid Particle Technology in Natural Gas Processing [Volume 11, Issue 2, 2024, Pages 6-7]
Pay-zone Optimization of Petrophysical Evaluation Utilizing Variable Cementation Factor for Identification of Pay-Zones in a Field within Zagros Bain [Volume 12, Issue 3, 2025, Pages 25-38]
PDH Technical and Economic Comparison of Propylene Production Methods through Propane Dehydrogenation (PDH) Technologies [Volume 8, Issue 1, 2021, Pages 40-52]
Peak shaving Technical and Economic Feasibility Study of Constructing a Mini LNG Unit to Supply Gas for Major Consumers in Khorasan Razavi Province During Peak Times [Volume 9, Issue 1, 2022, Pages 8-17]
Pebax Investigation of Methane and Carbon Dioxide Gases Permeability through PEBAX/PEG/ZnO Nanoparticle Mixed Matrix Membrane [Volume 4, Issue 2, 2017, Pages 15-24]
PEG Investigation of Methane and Carbon Dioxide Gases Permeability through PEBAX/PEG/ZnO Nanoparticle Mixed Matrix Membrane [Volume 4, Issue 2, 2017, Pages 15-24]
Performance Improvement Estimation of Greenhouse Gas Emissions in two Refineries of Hasheminejad and Fajr Jam and Providing Operational Solutions to Reduce Emissions [Volume 5, Issue 2, 2018, Pages 68-80]
Permeability Techno-Economic Comparison of Helium Recovery from Natural Gas Using Polymeric Membranes Simulation [Volume 12, Issue 4, 2025, Pages 10-20]
Permeability and selectivity Investigation of Methane and Carbon Dioxide Gases Permeability through PEBAX/PEG/ZnO Nanoparticle Mixed Matrix Membrane [Volume 4, Issue 2, 2017, Pages 15-24]
Petrochemical Industry Vulnerability Assessment of Iranian Petrochemical Industry from Climate Change Consequences to Analyses Risks and Opportunities [Volume 11, Issue 2, 2024, Pages 30-42]
Petrochemical wastewater treatment Novel Biological and Bioelectrochemical Technologies for Petrochemical Wastewater Treatment and Simultaneous Bioenergy Generation: an Investigative and Comparative Review [Volume 11, Issue 1, 2024, Pages 87-98]
Petrology Investigation of Reservoir Quality of Sarvak Formation Using Well-Logging Data in an Oilfield in the Abadan Plain [Volume 8, Issue 1, 2021, Pages 18-27]
Petrophysical Evaluation Investigation of Reservoir Quality of Sarvak Formation Using Well-Logging Data in an Oilfield in the Abadan Plain [Volume 8, Issue 1, 2021, Pages 18-27]
Phase equilibria Chemical and Phase Equilibria in the Process of Esterification of Acetic Acid with Ethanol in the Presence of Supercritical Carbon Dioxide [Volume 4, Issue 2, 2017, Pages 34-46]
Physical solvent Study of Physical Solvents Suitable for Acid Gas Removal Processes from Gas Streams [Volume 1, Issue 1, 2014, Pages 53-60]
Pipe Investigation of the Mechanism and Causes of the Destruction of the Leakage Damage of the Underground Pipeline Outlet of the Gas Pressure Reduction Station [Volume 12, Issue 1, 2025, Pages 8-17]
Pipeline Simulation of Natural Gas Transmission in the Pipeline in Two-Phase and Supercritical Conditions [Volume 10, Issue 2, 2023, Pages 8-16]
Pipelines hydrostatic test Investigating the Changes of Mechanical and Metallurgical Properties Obtained by Hydrostatic Test Using the Method of 110% Yield Stress in Gas Pipelines [Volume 11, Issue 1, 2024, Pages 22-33]
Pipe Rack Use of Whale Meta-Heuristic Algorithm to Promote the Design of Steel Pipe Racks in Refineries [Volume 11, Issue 2, 2024, Pages 65-77]
Pipe Rack Structure Use of Whale Meta-Heuristic Algorithm to Promote the Design of Steel Pipe Racks in Refineries [Volume 11, Issue 2, 2024, Pages 65-77]
Planning The Strategic Plan of the District 5 of Gas Transmission Operations: Based on the SWOT Technique and the SWARA Weighting Method, with Emphasizing the Green Services [Volume 4, Issue 2, 2017, Pages 47-61]
Plasma research Plasma Technology in Oil, Gas and Petrochemical Industries: Research to Development Opportunities [Volume 2, Issue 1, 2015, Pages 29-36]
Plasma technology Plasma Technology in Oil, Gas and Petrochemical Industries: Research to Development Opportunities [Volume 2, Issue 1, 2015, Pages 29-36]
Plate-fin heat exchanger Simulation of Evaporation and Condensation Phenomena in the Plate-Fin Converter of the LNG Process Using the CFD Method and Assessing Aspen Muse Software Performance [Volume 6, Issue 1, 2019, Pages 6-13]
Polymeric membrane Techno-Economic Comparison of Helium Recovery from Natural Gas Using Polymeric Membranes Simulation [Volume 12, Issue 4, 2025, Pages 10-20]
Polynomial regression algorithm Prediction of Drilling Fluid Temperature Window and Formation of Gas Hydrates During Drilling in Deep Water Using Machine Learning Algorithms [Volume 11, Issue 1, 2024, Pages 71-86]
Polystyrene Investigation of Polystyrene/SDBS Effect on Methane Hydrate Formation in Presence of Zinc Nanoparticles [Volume 6, Issue 2, 2019, Pages 6-16]
Pore flow mechanism Mechanisms of Gas Separation by Membrane [Volume 1, Issue 1, 2014, Pages 10-16]
Porosity Investigation of Reservoir Quality of Sarvak Formation Using Well-Logging Data in an Oilfield in the Abadan Plain [Volume 8, Issue 1, 2021, Pages 18-27]
Porous media Syngas Production in Non-catalytic Partial Oxidation Reactor in Porous Media [Volume 6, Issue 2, 2019, Pages 37-42]
Power Generation Flare Gases Management with Recovery Methods Utilization [Volume 4, Issue 1, 2017, Pages 17-28]
Power-Interest Matrix Recreating the classification of stakeholders by overcoming the limitations of the current power and interest matrix, case study: Oil product storage terminal in the special shipping zone of Imam Khomeini Port [(Articles in Press)]
Pressure drop Oil Production Optimization with Artifical Lift Method for Production Increasing in Ahwaz Oil Field (AW-A case study) [Volume 10, Issue 1, 2023, Pages 43-58]
Pressure Liquefied Gas (PLG) Protect PLG storage tanks from the BLEVE [Volume 3, Issue 1, 2016, Pages 20-30]
Pressure Vessel Three-Dimensional Simulation and the Effect of Temperature on Axial and Peripheral Quasielliptical Cracks in Cylindrical Tanks [Volume 7, Issue 1, 2020, Pages 37-46]
Pre-wash Decreasing the Inlet Mercaptan to LPG Treatment to Increase the Efficiency of Adsorber section [Volume 6, Issue 1, 2019, Pages 26-34]
Price Elasticity of Demand The Elasticity of Natural Gas Demand in Selected Countries [Volume 9, Issue 2, 2022, Pages 29-46]
Pricing Analysis of Turkey's Gas Policy Axes to Review long-Term Gas Contracts (Affecting the Energy Interests of the Islamic Republic of Iran) [Volume 8, Issue 2, 2021, Pages 33-38]
PRICO Process Investigation on LNG Plant in Small Scale [Volume 7, Issue 1, 2020, Pages 6-15]
Process economy Simulation and Optimization of Air Separation Unit of Lorestan Petrochemicals Using Aspen Hysys Software [Volume 6, Issue 2, 2019, Pages 43-52]
Process improvement Simulation and optimization of the coal gasification process using an entrained flow gasifier to produce synthesis gas [(Articles in Press)]
Process industries Digital Transformation for Process Industries [Volume 10, Issue 2, 2023, Pages 61-68]
Processing A review of Unit operations and Processes of Gas Processing Plants [Volume 1, Issue 2, 2014, Pages 8-15]
Production Investigation of Helium Situation in the World to Plan this New Important Economic Resource for Iran [Volume 7, Issue 2, 2020, Pages 39-47]
Production and Productivity Machine Learning Applications in the Prediction and Management of Sand Production in Oil and Gas Wells-a Review Study [Volume 12, Issue 1, 2025, Pages 54-69]
Production improvement Improving Production Conditions to Avoid Liquid Loading In one of the Vertical Gas Wells in Iran [Volume 10, Issue 1, 2023, Pages 69-79]
Production Logging Evaluation of Matrix Acidizing Job in a Layered Gas Condensate Carbonate Reservoir Using Deconvolution Analysis of Well Test Data Combined with Production Logging Data Interpretation [(Articles in Press)]
Production-Sharing Agreement Legal Status of Production-sharing Agreements in Iran [Volume 6, Issue 2, 2019, Pages 53-63]
Production well Investigation of Parameters Affecting the Liquid Loading and Optimizing the Production of One of the Southwest Gas Condensate Wells in Iran [Volume 5, Issue 2, 2018, Pages 57-67]
Productivity Index Oil Production Optimization with Artifical Lift Method for Production Increasing in Ahwaz Oil Field (AW-A case study) [Volume 10, Issue 1, 2023, Pages 43-58]
Project Selection Project Selection in the Portfolio of Projects Using Economic and Non-economic Criteria and Using Fuzzy Logic [Volume 12, Issue 4, 2025, Pages 94-110]
Promax Decreasing the Inlet Mercaptan to LPG Treatment to Increase the Efficiency of Adsorber section [Volume 6, Issue 1, 2019, Pages 26-34]
Propane Technical and Economic Comparison of Propylene Production Methods through Propane Dehydrogenation (PDH) Technologies [Volume 8, Issue 1, 2021, Pages 40-52]
Propylene Technical and Economic Comparison of Propylene Production Methods through Propane Dehydrogenation (PDH) Technologies [Volume 8, Issue 1, 2021, Pages 40-52]
Propylene The Application of Nano photocatalyst in the Production of Synthesis Gas for the Production of Renewable Methanol: An Experimental and Review Study [Volume 9, Issue 1, 2022, Pages 39-56]
PSO algorithm A Semi-empirical Correlation for the Liquid Density of Heavy Hydrocarbons in Certain Pressure and Temperature Ranges [Volume 12, Issue 1, 2025, Pages 18-29]
PVT laboratory data Performance Evaluation of Empirical Correlations to Estimate the Properties of Gas Condensate Reservoirs in South of Iran [Volume 4, Issue 2, 2017, Pages 62-75]

R

Random Forest Comparative study of machine learning models and time series models for predicting natural gas consumption in industries [(Articles in Press)]
Rankine Organic Cycle Techno-Economic Evaluation Evaluation of Heat Recovery from the Chimney of the Furnaces of the Dehumidification Unit of Bidboland Gas Refinery Using the Organic Rankine Cycle [Volume 10, Issue 2, 2023, Pages 29-41]
Rapid Design Algorithm A Novel Design for Plate Fin Heat Exchanger in LNG Propane Precooled Cycle [Volume 6, Issue 1, 2019, Pages 14-25]
Razavi Khorasan Province Investigating the Necessity of Underground Storage Construction for Natural Gas in Razavi Khorasan Province [Volume 7, Issue 2, 2020, Pages 28-38]
Recovery Simulation of the Recovery of Gases Sent to the Flare for their Reuse as Hydrocarbon Fuel Sources [Volume 9, Issue 1, 2022, Pages 76-85]
Redundancy Investigating the Role of Carbon Sales Earnings in the Economic Justification of Energy Optimization Projects in Shahid Hasheminejad and Fajr Jam Jet Refineries [Volume 5, Issue 2, 2018, Pages 44-56]
Reformer Nozzle Mechanical Property Optimization of High Alumina Castables via Formulation Adjustment in Petrochemical Applications [Volume 13, Issue 1, 2026, Pages 90-102]
Rembrandt Model Investigating the Appropriate Service Model in the Iranian Liquefied Gas Industry: A World Class Approach [Volume 8, Issue 1, 2021, Pages 53-67]
Remote Gases Technical and practical analysis of Skid mounted LNG plant in IRAN [Volume 7, Issue 1, 2020, Pages 47-56]
Removal of Persistent Pollutants Novel Biological and Bioelectrochemical Technologies for Petrochemical Wastewater Treatment and Simultaneous Bioenergy Generation: an Investigative and Comparative Review [Volume 11, Issue 1, 2024, Pages 87-98]
Renewable Methanol The Application of Nano photocatalyst in the Production of Synthesis Gas for the Production of Renewable Methanol: An Experimental and Review Study [Volume 9, Issue 1, 2022, Pages 39-56]
Reservoir Investigation of Reservoir Quality of Sarvak Formation Using Well-Logging Data in an Oilfield in the Abadan Plain [Volume 8, Issue 1, 2021, Pages 18-27]
Reservoir Simulation Sector Model Simulation of Water and Gas Injection Performance of Ilam Oil Reservoir (JOFIER Oilfield) in Compare with Natural Depletion [Volume 5, Issue 1, 2018, Pages 6-15]
Residential Areas Technical and Economic Investigation of Methods to Satisfy Thermal Energy Demands of Off-grid Gas Pipeline Area – Case Study: Khorasan Razavi Province [Volume 8, Issue 1, 2021, Pages 28-39]
Resistance Economics The Role of Natural Gas in the Environment and Resistance Economy [Volume 4, Issue 2, 2017, Pages 8-14]
Response surface method Methanol Conversion to Light Aromatics Using HZSM5 Nano Zeolite: Effects of Operating Conditions [Volume 13, Issue 1, 2026, Pages 71-89]
Response surface methodology Oxidative Desulfurization of Light Naphtha in the Presence of Zeolite Supported Zinc Oxide Catalyst [Volume 9, Issue 2, 2022, Pages 59-68]
Reverse Engineering Mechanical Property Optimization of High Alumina Castables via Formulation Adjustment in Petrochemical Applications [Volume 13, Issue 1, 2026, Pages 90-102]
Rise up of oil production Determining the Optimal Conditions of Choke Size and Gas Injection Rate of Oil Production by Simulator [Volume 11, Issue 2, 2024, Pages 8-14]
Risk Investigation of Important Parameters in Hazard and Operability Study (HAZOP) Shahid Hasheminejad Gas Refinery Tank Farm and Loading Unit [Volume 2, Issue 1, 2015, Pages 46-51]
Risk Assessment Investigation of Important Parameters in Hazard and Operability Study (HAZOP) Shahid Hasheminejad Gas Refinery Tank Farm and Loading Unit [Volume 2, Issue 1, 2015, Pages 46-51]
Robeson diagram Investigation of Natural Gas Separation Performance Using AC/PES Mixed Matrix Membrane: Laboratory Section [Volume 12, Issue 3, 2025, Pages 39-56]
Rock-Eval pyrolysis Evaluation of Hydrocarbon Generation Potential of the Pabdeh Formation as a Probable Source Rock across Dezful Embayment, Southwestern Iran [Volume 9, Issue 1, 2022, Pages 27-38]

S

Salt Caverns The Role of Underground Hydrogen Storage in Securing Sustainable Energy in Iran [Volume 12, Issue 1, 2025, Pages 6-7]
Salt Dome The Role of Underground Hydrogen Storage in Securing Sustainable Energy in Iran [Volume 12, Issue 1, 2025, Pages 6-7]
Sand production Prediction of Sand Passage Rate Through Slotted Liner Using Machine Learning Algorithms [Volume 13, Issue 1, 2026, Pages 103-118]
Sand Production Prediction Machine Learning Applications in the Prediction and Management of Sand Production in Oil and Gas Wells-a Review Study [Volume 12, Issue 1, 2025, Pages 54-69]
Sand retention test Prediction of Sand Passage Rate Through Slotted Liner Using Machine Learning Algorithms [Volume 13, Issue 1, 2026, Pages 103-118]
Sarvak Formation Optimization of Petrophysical Evaluation Utilizing Variable Cementation Factor for Identification of Pay-Zones in a Field within Zagros Bain [Volume 12, Issue 3, 2025, Pages 25-38]
Saturation Investigation of Reservoir Quality of Sarvak Formation Using Well-Logging Data in an Oilfield in the Abadan Plain [Volume 8, Issue 1, 2021, Pages 18-27]
Sedimentary environment Investigating Gas Condensate of Kopet Dag, Bandar Abbas and Central Iran Regions Using Isotope and Biomarker Data [Volume 6, Issue 1, 2019, Pages 41-57]
Segregation index Modeling of the Parallel-Competitive Reaction of Villermaux-Dushman in Selected Microreactors Using COMSOl Software [Volume 7, Issue 1, 2020, Pages 16-24]
Selectivity Techno-Economic Comparison of Helium Recovery from Natural Gas Using Polymeric Membranes Simulation [Volume 12, Issue 4, 2025, Pages 10-20]
Selectivity Enhancing the Performance of Cobalt Catalyst in Fischer-Tropsch Synthesis Using Natural Clinoptilolite Zeolite: Experimental Study and Optimization [(Articles in Press)]
Sensitive analysis Oil Production Optimization with Artifical Lift Method for Production Increasing in Ahwaz Oil Field (AW-A case study) [Volume 10, Issue 1, 2023, Pages 43-58]
Sensitivity analysis Steam Methane Reforming(SMR) Reaction in Monolith Reactors Using CFD Modeling [Volume 1, Issue 2, 2014, Pages 50-57]
Sensitivity analysis Technical and Economic Comparison of Propylene Production Methods through Propane Dehydrogenation (PDH) Technologies [Volume 8, Issue 1, 2021, Pages 40-52]
Sentinel5 Using non-commercial satellite data to investigate methane emissions in the northeastern provinces and the Iran-Turkmenistan border [(Articles in Press)]
Separation A Review of Operating Units of the Central Treatment/Export Plant [Volume 8, Issue 2, 2021, Pages 6-11]
Separation of benzene from gasoline Simulation and Comparison Different Methods Separation for Benzene Removal [Volume 3, Issue 1, 2016, Pages 5-19]
Separation of methane and carbon dioxide Investigation of Natural Gas Separation Performance Using AC/PES Mixed Matrix Membrane: Laboratory Section [Volume 12, Issue 3, 2025, Pages 39-56]
Services Gas Storage Services Contract [Volume 9, Issue 2, 2022, Pages 83-92]
Severity& Likelihood Investigation of Important Parameters in Hazard and Operability Study (HAZOP) Shahid Hasheminejad Gas Refinery Tank Farm and Loading Unit [Volume 2, Issue 1, 2015, Pages 46-51]
Shale Volume Investigation of Reservoir Quality of Sarvak Formation Using Well-Logging Data in an Oilfield in the Abadan Plain [Volume 8, Issue 1, 2021, Pages 18-27]
Shannon Entropy Vulnerability of high Pressure GAS Lines (Study in Esfarayen City & this Project is protected byNorth Khorasan Gas Company) [Volume 8, Issue 2, 2021, Pages 39-56]
Shell and tube heat exchangers Heat Transfer Improve in Heat Exchangers using Flow of Nanofluids [Volume 4, Issue 2, 2017, Pages 25-33]
Si/Al ratio Methanol Conversion to Light Aromatics Using HZSM5 Nano Zeolite: Effects of Operating Conditions [Volume 13, Issue 1, 2026, Pages 71-89]
Simulation Investigating the Impact of Molecular Diffusion in Natural Gas Storage Process in an Iranian Depleted Fractured Oil Reservoir [Volume 1, Issue 1, 2014, Pages 27-35]
Simulation Decreasing the Inlet Mercaptan to LPG Treatment to Increase the Efficiency of Adsorber section [Volume 6, Issue 1, 2019, Pages 26-34]
Simulation Modeling of Gas Hydrate Formation Conditions in Soroush-Abouzar Sea Transmission Line [Volume 6, Issue 1, 2019, Pages 35-40]
Simulation Feasibility Study and Selection of Suitable Process for Flare Gas Recovery in Parsian Refinery [Volume 6, Issue 1, 2019, Pages 64-71]
Simulation Simulation and Optimization of Ethane Recovery Process in Bandar Imam Petrochemical Company [Volume 6, Issue 2, 2019, Pages 24-31]
Simulation Simulation and Optimization of Air Separation Unit of Lorestan Petrochemicals Using Aspen Hysys Software [Volume 6, Issue 2, 2019, Pages 43-52]
Simulation Simulation and Optimization of Hydrotreating Section of Catalytic Reforming Unit of Abadan Oil Refinery with Aspen Hysys [Volume 7, Issue 2, 2020, Pages 7-17]
Simulation Sensitivity Analysis and Economic Optimization of Multistage Membrane Configurations for Carbon Dioxide Separation from Methane [Volume 13, Issue 1, 2026, Pages 53-70]
SiO2 Study and Preparation of Copper Nano Catalyst and Evaluation of its Performance in the Oxidation Reaction of Carbon Monoxide to Carbon Dioxide [Volume 8, Issue 2, 2021, Pages 23-32]
Skid mounted Technical and practical analysis of Skid mounted LNG plant in IRAN [Volume 7, Issue 1, 2020, Pages 47-56]
Slurry bubble column reactor Comparing the Performance of the Fixed-bed, Fluidized-bed and Slurry Bubble Column Tri-reformers Reactors to Produce Synthesis Gas [Volume 6, Issue 1, 2019, Pages 58-63]
Slurry bubble column reactor Provide a method for designing a bubble column reactor for the converting natural gas to liquid fuel [Volume 6, Issue 2, 2019, Pages 17-23]
Smart Fluids Application of Nanotechnology in Enhanced Oil Recovery (EOR) [Volume 1, Issue 2, 2014, Pages 33-42]
SOFC Technical and Economic Analysis of a Cogeneration System Based on Solid Oxide Fuel Cell (SOFC) Technology for Building Application [Volume 5, Issue 1, 2018, Pages 37-52]
Software Eclipse100 Sector Model Simulation of Water and Gas Injection Performance of Ilam Oil Reservoir (JOFIER Oilfield) in Compare with Natural Depletion [Volume 5, Issue 1, 2018, Pages 6-15]
Solar Energy Thermodynamic and Environmental Analysis of using Solar-Fuel Cell CHP Systems in Residential House of Iran [Volume 11, Issue 1, 2024, Pages 33-45]
Solid particles Investigation of the Impact of Solid Particles Suspended in Fluid on Steel Pipe Erosion: CFD Analysis and Experimental Validation [Volume 12, Issue 4, 2025, Pages 58-79]
Solution- diffusion mechanism Mechanisms of Gas Separation by Membrane [Volume 1, Issue 1, 2014, Pages 10-16]
Solution-Gas Drive The Influence of Molecular Diffusion Mechanism in the Production of Fractured Oil Reservoirs [Volume 3, Issue 1, 2016, Pages 77-86]
St 37 Nano/Micro ZrO2 Particles Dispersion on St37 Steel by Using Friction Stir Processing and Investigating Its Effect on Steel Corrosion Resistance Promotion [Volume 10, Issue 1, 2023, Pages 59-68]
Stable frames A Review on Metal-Organic Framework Nanoadsorbents and their Application in Dewatering Processes [Volume 4, Issue 1, 2017, Pages 29-39]
Stable Simulation Stable and Dynamic Simulation of Gas Sweetening Unit by Alternative Solvent [Volume 8, Issue 2, 2021, Pages 57-73]
Stakeholder management Recreating the classification of stakeholders by overcoming the limitations of the current power and interest matrix, case study: Oil product storage terminal in the special shipping zone of Imam Khomeini Port [(Articles in Press)]
Static simulation Static and Dynamic Simulation of 1, 3 Butadien Distillation Unit [Volume 1, Issue 1, 2014, Pages 36-45]
Statistics of reserve Investigation of Helium Situation in the World to Plan this New Important Economic Resource for Iran [Volume 7, Issue 2, 2020, Pages 39-47]
Steady state and Dynamic Simulation Dynamic Simulation and Investigation of Changes in Operating Parameters on the Amount of Sulfur Produced in the SRU Unit - a Case Study of the No 1 Refinery of South Pars Gas Complex [Volume 9, Issue 1, 2022, Pages 57-75]
Steam Methane Reforming A Review of the Role of Carbon Capture, Storage, and Utilization Units (CCS, CCU, and CCUS) in the Transition from Gray Hydrogen to Blue Hydrogen [Volume 12, Issue 2, 2025, Pages 50-72]
Steam methane reforming (SMR) Comparison of Blue and Turquoise Hydrogen Production Processes and their Future Prospects in Iran [Volume 12, Issue 1, 2025, Pages 70-90]
Steam Reforming Steam Methane Reforming(SMR) Reaction in Monolith Reactors Using CFD Modeling [Volume 1, Issue 2, 2014, Pages 50-57]
Steam Reforming Investigation and Thermodynamic Analysis of Steam Reforming of Glycerin and Ethanol for Hydrogen Production [Volume 2, Issue 1, 2015, Pages 12-28]
Storage Separation of Methane from Natural Gas by New Method of MWNT in Hydrates Process [Volume 2, Issue 1, 2015, Pages 37-45]
Storage Experimental Study on Affect of Graphene Surface Chemistry on the Process of Methane Hydrate Formation and its Storage and Stability [Volume 5, Issue 2, 2018, Pages 8-19]
Storage Accelerating the Nucleation Process Nonporous Materials in Gas Storage [Volume 7, Issue 2, 2020, Pages 73-81]
Strategic Equipment Technology Commercialization and the Enhancement of Strategic Equipment Quality: From Scientific Maturity to Industrial Value Creation [Volume 13, Issue 1, 2026, Pages 7-8]
Strategic Investigation Strategic Investigation of SWOT-ANP Nonconventional Gas Reservoirs in Iran [Volume 8, Issue 2, 2021, Pages 12-22]
Strategy The Strategic Plan of the District 5 of Gas Transmission Operations: Based on the SWOT Technique and the SWARA Weighting Method, with Emphasizing the Green Services [Volume 4, Issue 2, 2017, Pages 47-61]
Stress Corrosion Cracking Investigation of the Mechanism and Causes of the Destruction of the Leakage Damage of the Underground Pipeline Outlet of the Gas Pressure Reduction Station [Volume 12, Issue 1, 2025, Pages 8-17]
Stress Corrosion with Crack (SSC) Sulfide Stress Corrosion with Crack (SSC) in Heat Affected Zone in Sour Gas Pipelines [Volume 1, Issue 1, 2014, Pages 17-26]
Sulfur condenser Investigation on Startup Methods at SRU (Cold and Hot) and Innovation in Cold Bed Method [Volume 5, Issue 1, 2018, Pages 16-20]
Sulfur recovery Dynamic Simulation and Investigation of Changes in Operating Parameters on the Amount of Sulfur Produced in the SRU Unit - a Case Study of the No 1 Refinery of South Pars Gas Complex [Volume 9, Issue 1, 2022, Pages 57-75]
Sulfur recovery unit Techno-Economical Feasibility Study on Heat Pipes Applications in Operational Units of Khangiran Gas Refinery [Volume 4, Issue 1, 2017, Pages 40-56]
Supercritical Simulation of Natural Gas Transmission in the Pipeline in Two-Phase and Supercritical Conditions [Volume 10, Issue 2, 2023, Pages 8-16]
Supercritical CO2 Chemical and Phase Equilibria in the Process of Esterification of Acetic Acid with Ethanol in the Presence of Supercritical Carbon Dioxide [Volume 4, Issue 2, 2017, Pages 34-46]
Supervised Learning Using Machine Learning to Predict Gel Acids' Viscosity in Carbonate Reservoirs: Neural Networks Validation with Laboratory Data [Volume 11, Issue 2, 2024, Pages 43-51]
Support Study and Preparation of Copper Nano Catalyst and Evaluation of its Performance in the Oxidation Reaction of Carbon Monoxide to Carbon Dioxide [Volume 8, Issue 2, 2021, Pages 23-32]
Sustainable development The Role of Natural Gas in the Environment and Resistance Economy [Volume 4, Issue 2, 2017, Pages 8-14]
Sustainable development Investigating the Role of Carbon Sales Earnings in the Economic Justification of Energy Optimization Projects in Shahid Hasheminejad and Fajr Jam Jet Refineries [Volume 5, Issue 2, 2018, Pages 44-56]
Sustainable development Estimation of Greenhouse Gas Emissions in two Refineries of Hasheminejad and Fajr Jam and Providing Operational Solutions to Reduce Emissions [Volume 5, Issue 2, 2018, Pages 68-80]
Sustainable development Energy Optimization in Energy-Intensive Industries with a Focus on Engineering Economics: A Case Study of Productivity in International Companies [Volume 13, Issue 1, 2026, Pages 9-36]
Sustainable Energy Production A Review of Hydrogen Gas Storage Methods as an Energy Carrier [Volume 12, Issue 4, 2025, Pages 36-57]
Sustainable production The Role of Natural Gas in the Environment and Resistance Economy [Volume 4, Issue 2, 2017, Pages 8-14]
SWARA The Strategic Plan of the District 5 of Gas Transmission Operations: Based on the SWOT Technique and the SWARA Weighting Method, with Emphasizing the Green Services [Volume 4, Issue 2, 2017, Pages 47-61]
Sweetening A review on the catalytic degassing processes of molten sulfur [Volume 3, Issue 1, 2016, Pages 64-69]
Sweetening Simulation of the Recovery of Gases Sent to the Flare for their Reuse as Hydrocarbon Fuel Sources [Volume 9, Issue 1, 2022, Pages 76-85]
SWOT The Strategic Plan of the District 5 of Gas Transmission Operations: Based on the SWOT Technique and the SWARA Weighting Method, with Emphasizing the Green Services [Volume 4, Issue 2, 2017, Pages 47-61]
SWOT Strategic Investigation of SWOT-ANP Nonconventional Gas Reservoirs in Iran [Volume 8, Issue 2, 2021, Pages 12-22]
SWOT Analysis Preferment of the Planning and Implementation of Improved Oil Recovery (IOR) Processes in Iranian Oil and Gas Reservoirs by SWOT Analysis [Volume 4, Issue 1, 2017, Pages 67-76]
Syngas Fischer Tropsch Synthesis Based on Heterogeneous Catalysis from Syngas [Volume 2, Issue 1, 2015, Pages 58-68]
Syngas Syngas Production in Non-catalytic Partial Oxidation Reactor in Porous Media [Volume 6, Issue 2, 2019, Pages 37-42]
Synthesis gas Comparing the Performance of the Fixed-bed, Fluidized-bed and Slurry Bubble Column Tri-reformers Reactors to Produce Synthesis Gas [Volume 6, Issue 1, 2019, Pages 58-63]
Synthesis gas The Application of Nano photocatalyst in the Production of Synthesis Gas for the Production of Renewable Methanol: An Experimental and Review Study [Volume 9, Issue 1, 2022, Pages 39-56]

T

Tail Gas Treatment Units (TGT) Technical and Economical Comparision of Cooling Methods for Outlet Hot Gas from TGT Reactor [Volume 3, Issue 1, 2016, Pages 70-76]
Tank farm Investigation of Important Parameters in Hazard and Operability Study (HAZOP) Shahid Hasheminejad Gas Refinery Tank Farm and Loading Unit [Volume 2, Issue 1, 2015, Pages 46-51]
Tank inspection Protect PLG storage tanks from the BLEVE [Volume 3, Issue 1, 2016, Pages 20-30]
Technical and Economic Study Technical and Economic Investigation of Methods to Satisfy Thermal Energy Demands of Off-grid Gas Pipeline Area – Case Study: Khorasan Razavi Province [Volume 8, Issue 1, 2021, Pages 28-39]
Technical-Economic Evaluation Technical and Economic Comparison of Propylene Production Methods through Propane Dehydrogenation (PDH) Technologies [Volume 8, Issue 1, 2021, Pages 40-52]
Technology Localization Legal Policies for Technology Transfer in Gas Storage Projects [Volume 12, Issue 2, 2025, Pages 108-121]
Technology Readiness Technology Commercialization and the Enhancement of Strategic Equipment Quality: From Scientific Maturity to Industrial Value Creation [Volume 13, Issue 1, 2026, Pages 7-8]
Tesla valve Investigation of the Influence of Key Parameters on the Mixing Efficiency of Two Fluids in Multi-Stage Micro-Mixers Based on Tesla Valve Structure [Volume 11, Issue 2, 2024, Pages 52-64]
Tetrahydrofuan Hydrate Effect of amino acids of glycine on the kinetic of hydrate formation tetrahydrofuran [Volume 1, Issue 2, 2014, Pages 43-49]
Thermal conductivity coefficient A Review on Theoretical and Experimental Studies on Improving the Thermal Conductivity Coefficient of Nanofluids [Volume 4, Issue 1, 2017, Pages 7-16]
Thermal Coupling Reactor Comparing the Modeling of Thermal Coupling of the Catalytic Processes of Methane Triforming and Methanol Dehydrogenation in Fixed and Fluid Beds [Volume 5, Issue 2, 2018, Pages 20-30]
Thermal Energy Supply Technical and Economic Investigation of Methods to Satisfy Thermal Energy Demands of Off-grid Gas Pipeline Area – Case Study: Khorasan Razavi Province [Volume 8, Issue 1, 2021, Pages 28-39]
Thermal Power Plant Feasibility Assessment of South Pars Gas Condensate Utilization in the Production of Blended Fuels for Thermal Power Plants [(Articles in Press)]
Thermodynamic model Static and Dynamic Simulation of 1, 3 Butadien Distillation Unit [Volume 1, Issue 1, 2014, Pages 36-45]
TiO2 Study and Preparation of Copper Nano Catalyst and Evaluation of its Performance in the Oxidation Reaction of Carbon Monoxide to Carbon Dioxide [Volume 8, Issue 2, 2021, Pages 23-32]
Topping Plant Techno-Economical Feasibility Study on Heat Pipes Applications in Operational Units of Khangiran Gas Refinery [Volume 4, Issue 1, 2017, Pages 40-56]
TPS separation system Simulation and Comparison Different Methods Separation for Benzene Removal [Volume 3, Issue 1, 2016, Pages 5-19]
Transmission lines Modeling of Gas Hydrate Formation Conditions in Soroush-Abouzar Sea Transmission Line [Volume 6, Issue 1, 2019, Pages 35-40]
Transportation industry Barriers and Challenges to the Adoption of Compressed Natural Gas (CNG) in the Transportation Sector [Volume 12, Issue 4, 2025, Pages 21-36]
Treatment Plant A Review of Operating Units of the Central Treatment/Export Plant [Volume 8, Issue 2, 2021, Pages 6-11]
Tri-reformer Comparing the Performance of the Fixed-bed, Fluidized-bed and Slurry Bubble Column Tri-reformers Reactors to Produce Synthesis Gas [Volume 6, Issue 1, 2019, Pages 58-63]
Tubing Investigation of Parameters Affecting the Liquid Loading and Optimizing the Production of One of the Southwest Gas Condensate Wells in Iran [Volume 5, Issue 2, 2018, Pages 57-67]
Tubing Oil Production Optimization with Artifical Lift Method for Production Increasing in Ahwaz Oil Field (AW-A case study) [Volume 10, Issue 1, 2023, Pages 43-58]
Turbine Meter Gas Measurement Systems Overall Uncertainty: Gas Meter Calibration Laboratories Case Study [Volume 10, Issue 2, 2023, Pages 17-28]
Turkey Analysis of Turkey's Gas Policy Axes to Review long-Term Gas Contracts (Affecting the Energy Interests of the Islamic Republic of Iran) [Volume 8, Issue 2, 2021, Pages 33-38]
Two- phase Simulation of Natural Gas Transmission in the Pipeline in Two-Phase and Supercritical Conditions [Volume 10, Issue 2, 2023, Pages 8-16]
Two-phase flow regime Improving Production Conditions to Avoid Liquid Loading In one of the Vertical Gas Wells in Iran [Volume 10, Issue 1, 2023, Pages 69-79]

W

Waste heat Techno-Economic Evaluation Evaluation of Heat Recovery from the Chimney of the Furnaces of the Dehumidification Unit of Bidboland Gas Refinery Using the Organic Rankine Cycle [Volume 10, Issue 2, 2023, Pages 29-41]
Water Alternating Gas Injection Sector Model Simulation of Water and Gas Injection Performance of Ilam Oil Reservoir (JOFIER Oilfield) in Compare with Natural Depletion [Volume 5, Issue 1, 2018, Pages 6-15]
Water and Energy Nexus Economic Evaluation of Water Desalination and Power Generation Using Flare Gases of Assaluyeh [Volume 8, Issue 1, 2021, Pages 7-17]
Water Cut Oil Production Optimization with Artifical Lift Method for Production Increasing in Ahwaz Oil Field (AW-A case study) [Volume 10, Issue 1, 2023, Pages 43-58]
Water Injection Sector Model Simulation of Water and Gas Injection Performance of Ilam Oil Reservoir (JOFIER Oilfield) in Compare with Natural Depletion [Volume 5, Issue 1, 2018, Pages 6-15]
Wax deposition Prediction of Wax Deposition Using Machine Learning Algorithms: Multilayer Perceptron and Random Forest [Volume 12, Issue 2, 2025, Pages 8-17]
Welding Electrode Sulfide Stress Corrosion with Crack (SSC) in Heat Affected Zone in Sour Gas Pipelines [Volume 1, Issue 1, 2014, Pages 17-26]
Welding process Investigation And Comparison Of Mechanical Strength Of Ordinary Welding Wires With Welding Wires Made Of Fgm Targeted Materials [(Articles in Press)]
Well logging Optimization of Petrophysical Evaluation Utilizing Variable Cementation Factor for Identification of Pay-Zones in a Field within Zagros Bain [Volume 12, Issue 3, 2025, Pages 25-38]
Whale Metaheuristic Algorithm Use of Whale Meta-Heuristic Algorithm to Promote the Design of Steel Pipe Racks in Refineries [Volume 11, Issue 2, 2024, Pages 65-77]
World Investigation of Helium Situation in the World to Plan this New Important Economic Resource for Iran [Volume 7, Issue 2, 2020, Pages 39-47]
World Class Investigating the Appropriate Service Model in the Iranian Liquefied Gas Industry: A World Class Approach [Volume 8, Issue 1, 2021, Pages 53-67]

Keyword Index

A

B

C

D

E

F

G

H

I

K

L

M

N

O

P

R

S

T

U

V

W

Z