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 :1
Drilling Engineering
Drilling Fluids
Well Completion
Fluid Flow Through Porous Media
Enhanced Oil Recovery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,238
3,893
0.624
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Electrochemistry- Corrosion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,911
2,578
0.525
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
formation damage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,933
2,450
0.623
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,499
1,675
0.670
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
EOR/IOR
Rock&Fluid Characterization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,827
1,517
0.830
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Image Processing
Digital Rock Physics
Petrophysics
Formation Damage
Machine Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,522
1,357
0.892
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Enhanced Oil Recovery
Naturally Fractured Reservoirs
Reservoir Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,263
1,052
0.833
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Reservoir Engineering
Drilling Automation and Optimization
Well Test Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,377
1,031
0.749
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Enhanced Oil Recovery
Reservoir Engineering
Artificial Intelligence
Data Mining
Optimization Algorithms
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,342
983
0.732
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
Petroleum Engineering
Drilling
Rheology
Drilling Fluids
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,208
983
0.814
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
Gas Hydrates
Thermodynamic Modelling
Gas Processes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,006
830
0.414
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Reservoir Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
969
793
0.818
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Petroleum engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,008
756
0.750
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Formation damage
Asphaltene deposition
EOR
Well Testing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
637
0.653
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
EOR
Cementing
CO2 Injection
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
694
527
0.759
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Fracture mechnics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
788
524
0.665
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Solid Mechanics
Fracture mechanics
Composite
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917
505
0.551
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
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 :19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
838
400
0.477
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
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 :21
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
288
260
0.903
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
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 :23
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 :24
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 :25
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
Seyed Reza Shadizadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,238
3,893
0.624
Drilling Engineering
Drilling Fluids
Well Completion
Fluid Flow Through Porous Media
Enhanced Oil Recovery
Iman Danaee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,911
2,578
0.525
Electrochemistry- Corrosion
Jamshid Moghadasi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,933
2,450
0.623
Reza Mosayebi Behbahani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,499
1,675
0.670
Shahin Kord
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,827
1,517
0.830
EOR/IOR
Rock&Fluid Characterization
Alireza Rostami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,522
1,357
0.892
Image Processing
Digital Rock Physics
Petrophysics
Formation Damage
Machine Learning
Amin Daryasafar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,263
1,052
0.833
Enhanced Oil Recovery
Naturally Fractured Reservoirs
Reservoir Engineering
Abdolnabi Hashemi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,377
1,031
0.749
Reservoir Engineering
Drilling Automation and Optimization
Well Test Analysis
Adel Najafi Marghmaleki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,342
983
0.732
Enhanced Oil Recovery
Reservoir Engineering
Artificial Intelligence
Data Mining
Optimization Algorithms
Khalil Shahbazi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,208
983
0.814
Petroleum Engineering
Drilling
Rheology
Drilling Fluids
Hesam Najibi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,006
830
0.414
Gas Hydrates
Thermodynamic Modelling
Gas Processes
Siyamak Moradi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
969
793
0.818
Reservoir Engineering
Bahram Soulgani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,008
756
0.750
Petroleum engineering
Siavash Ashoori
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
637
0.653
Formation damage
Asphaltene deposition
EOR
Well Testing
Ali Barati Harooni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
694
527
0.759
EOR
Cementing
CO2 Injection
Hadi Eskandari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
788
524
0.665
Gholamreza Rashed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917
505
0.551
Solid Mechanics
Fracture mechanics
Composite
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
Elaheh Hamed Mahvelati
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
288
260
0.903
Mahdi Rostami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
492
235
0.478
Energy Economics & Management
Energy Policy
Energy Efficiency
Morteza Zadkarami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
207
177
0.855
Artificial intelligence
Process control and instrumentation
Soudabeh Nikmanesh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
155
144
0.929
Thermodynamic modelling
Thermophysical properties of fluids
electrochemistry
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