Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :26
Reservoir Rock Properties
Transport in Porous Media
Asphaltene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
530
479
0.904
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :27
Gas Transmission and Processing
Thermodynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
527
410
0.778
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :28
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
838
400
0.477
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :29
Artificial Intelligence
petroleum engineering
chemical flooding
well testing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
773
394
0.510
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :30
Separation processes
Adsorption
Metal-Organic Frameworks
CFD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
365
363
0.995
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :31
Photo/electro-catalysis
Environmental engineering
Desulfurization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
358
358
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :32
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
341
305
0.894
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :33
Fluid Mechanics
Heat Transfer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
415
296
0.713
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :34
Catalyst
Process
Energy
Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
334
279
0.835
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :35
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
377
274
0.727
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :36
NLP
Generative AI
Quantum Machine Learning
Large Language Model (LLM)
Transformer Models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
348
273
0.784
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :37
Reservoir engineering
Reactive flow modelling
Reservoir simulation
Flow assurance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
364
268
0.736
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :38
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
288
260
0.903
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :39
Unit Operation
Separation and mass transfer
Reactor Design
Modeling
Distilation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
459
259
0.564
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :40
Energy Economics & Management
Energy Policy
Energy Efficiency
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
492
235
0.478
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :41
Decision science
Risk management
Project management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
345
229
0.664
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :42
LCA
Hydrogen Energy Systems
Techno-economic Analysis
Process Design and Simulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
236
194
0.822
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :43
Energy economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
203
189
0.931
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :44
Artificial intelligence
Process control and instrumentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
207
177
0.855
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :45
Numerical Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
206
173
0.840
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :46
Thermodynamic modelling
Thermophysical properties of fluids
electrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
155
144
0.929
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :47
Stratigraphy
Micropaleontology
Sedimentology and Petroleum Geology
Basin Analysis and Environmental Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
234
143
0.611
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :48
Marine and Offshore Structures
Marine Operation Simulation
Fitness For Service (FFS) Assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
193
139
0.720
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :49
membrane
Metal organic framework
nanotechnology
novel synthesis
ultrasound wave
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
133
0.379
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :50
petroleum engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
112
102
0.911
Aboozar Soleymanzadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
530
479
0.904
Vahid Mohebbi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
527
410
0.778
Gas Transmission and Processing
Thermodynamics
Masoud Bahrami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
838
400
0.477
Seyed Moein Hosseini
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
773
394
0.510
Artificial Intelligence
petroleum engineering
chemical flooding
well testing
Hassan Abedini
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
365
363
0.995
Separation processes
Adsorption
Metal-Organic Frameworks
CFD
Ali Yaghoot-Nezhad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
358
358
1.000
Photo/electro-catalysis
Environmental engineering
Desulfurization
Jafar Sasanipour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
341
305
0.894
Nader Nabhani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
415
296
0.713
Fluid Mechanics
Heat Transfer
Amin Soleimani Mehr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
334
279
0.835
Catalyst
Process
Energy
Management
Hamid Reza Amedi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
377
274
0.727
Adib Bazgir
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
348
273
0.784
NLP
Generative AI
Quantum Machine Learning
Large Language Model (LLM)
Transformer Models
Mahdi Kalantari Meybodi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
364
268
0.736
Reservoir engineering
Reactive flow modelling
Reservoir simulation
Flow assurance
Elaheh Hamed Mahvelati
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
288
260
0.903
Bahram Hashemi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
459
259
0.564
Unit Operation
Separation and mass transfer
Reactor Design
Modeling
Distilation
Mahdi Rostami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
492
235
0.478
Energy Economics & Management
Energy Policy
Energy Efficiency
Ma Hatefi|Hatefi M.A., M.A. Hatefi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
345
229
0.664
Decision science
Risk management
Project management
Vafa Feyzi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
236
194
0.822
LCA
Hydrogen Energy Systems
Techno-economic Analysis
Process Design and Simulation
Nader Dashti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
203
189
0.931
Morteza Zadkarami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
207
177
0.855
Artificial intelligence
Process control and instrumentation
Mohammad Nabati
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
206
173
0.840
Soudabeh Nikmanesh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
155
144
0.929
Thermodynamic modelling
Thermophysical properties of fluids
electrochemistry
Bahram Habibnia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
234
143
0.611
Stratigraphy
Micropaleontology
Sedimentology and Petroleum Geology
Basin Analysis and Environmental Geology
Pedram Edalat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
193
139
0.720
Marine and Offshore Structures
Marine Operation Simulation
Fitness For Service (FFS) Assessment
Rouzbeh Jamei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
133
0.379
membrane
Metal organic framework
nanotechnology
novel synthesis
ultrasound wave
Hassan Shokrollahzadeh Behbahani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
112
102
0.911
petroleum engineering