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
Corrosion
Corrosion Inhibitors
Green Chemistry
Electrochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,863
26,548
0.650
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Thermofluids
Condensation
Nanofluids
Heat Transfer Devices
Thermal Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,001
23,772
0.951
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Materials and Corrosion
Corrosion Inhibition
Computational and Theoretical Chemistry
Oilfield Corrosion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,264
17,689
0.674
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Solar desalination
waste heat recovery
nano particles
sensible heat storage
Latent heat energy storage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,196
12,142
0.920
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Petroleum Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,718
12,139
0.885
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Materials and Corrosion
Corrosion inhibition
Polymer composites/nanocomposites
Nanoscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,443
11,513
0.592
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Renewable Energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,550
10,115
0.576
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Power Systems and Renewable Energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,968
9,838
0.428
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Laser Physics
Nanotechnology
Clean Water & Renewable Energy
Photo-catalysis
Oil Water Separation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,313
9,476
0.581
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
Innovation
Renewable Energy
Sustainability
Energy Storage
Power Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,875
9,476
0.798
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
VLSI
Digital Design
Systems
Algorithms
Design Automation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,951
9,235
0.713
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Catalysis
Reaction Engineering
Refining and Petrochemicals
CO2 capture
Renewable energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,840
9,226
0.582
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Thermal Systems
Desalination
Applied Mathematics
Heat Exchangers
Applied Thermodynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,910
9,193
0.544
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
earth sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,135
8,642
0.374
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Artificial Intelligence in Petroleum Engineering
Drilling Engineering
Cementing
Drilling Fluids
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,167
8,563
0.934
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Thermal Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,817
8,308
0.525
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Mechanical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,415
8,159
0.400
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,821
8,037
0.582
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Modeling
Machine Learning
Artificial intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,411
7,171
0.853
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Artificial Intelligence
Computer Vision and Pattern Recognition
Cybersecurity
Bio-inspired Algorithms
D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,293
6,636
0.800
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
Artificial Intelligence in Petroleum Engineering
Petroleum Engineering
Geomechanics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,861
6,543
0.832
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Materials Characterization
Coatings
Nanoindentation
Photocatalytic materials
Water treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,543
6,514
0.864
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Building materials
Cement/concrete
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,609
6,428
0.554
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
Analytical sample preparation
Membrane assisted extractions
Water analysis
Electroanalytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,042
6,256
0.888
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Reactive and Complex fluids
Molecular Simulation
EOR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,785
5,888
0.868
MA Quraishi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,863
26,548
0.650
Corrosion
Corrosion Inhibitors
Green Chemistry
Electrochemistry
Hafiz Muhammad Ali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,001
23,772
0.951
Thermofluids
Condensation
Nanofluids
Heat Transfer Devices
Thermal Management
Ime Obot
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,264
17,689
0.674
Materials and Corrosion
Corrosion Inhibition
Computational and Theoretical Chemistry
Oilfield Corrosion
Ravishankar Sathyamurthy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,196
12,142
0.920
Solar desalination
waste heat recovery
nano particles
sensible heat storage
Latent heat energy storage
Mohamed A Mahmoud
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,718
12,139
0.885
Petroleum Engineering
Saviour A Umoren
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,443
11,513
0.592
Materials and Corrosion
Corrosion inhibition
Polymer composites/nanocomposites
Nanoscience
Shafiqur Rehman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,550
10,115
0.576
Mohammad Abido
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,968
9,838
0.428
Power Systems and Renewable Energy
Mohammed Ashraf Gondal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,313
9,476
0.581
Laser Physics
Nanotechnology
Clean Water & Renewable Energy
Photo-catalysis
Oil Water Separation
Fahad Al Sulaiman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,875
9,476
0.798
Innovation
Renewable Energy
Sustainability
Energy Storage
Power Systems
Sadiq M Sait
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,951
9,235
0.713
VLSI
Digital Design
Systems
Algorithms
Design Automation
Mohammad M Hossain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,840
9,226
0.582
Catalysis
Reaction Engineering
Refining and Petrochemicals
CO2 capture
Renewable energy
Syed M Zubair
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,910
9,193
0.544
Thermal Systems
Desalination
Applied Mathematics
Heat Exchangers
Applied Thermodynamics
Jack Dvorkin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,135
8,642
0.374
Salaheldin Elkatatny
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,167
8,563
0.934
Artificial Intelligence in Petroleum Engineering
Drilling Engineering
Cementing
Drilling Fluids
Ahmet Z Sahin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,817
8,308
0.525
Bekir Yilbas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,415
8,159
0.400
Mechanical Engineering
Shamsad Ahmad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,821
8,037
0.582
Babatunde Mustapha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,411
7,171
0.853
Modeling
Machine Learning
Artificial intelligence
El Sayed M El Alfy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,293
6,636
0.800
Artificial Intelligence
Computer Vision and Pattern Recognition
Cybersecurity
Bio-inspired Algorithms
D
Abdulazeez Abdulraheem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,861
6,543
0.832
Artificial Intelligence in Petroleum Engineering
Petroleum Engineering
Geomechanics
Anwar Ul Hamid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,543
6,514
0.864
Materials Characterization
Coatings
Nanoindentation
Photocatalytic materials
Water treatment
Maslehuddin M
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,609
6,428
0.554
Building materials
Cement/concrete
Muhammad Sajid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,042
6,256
0.888
Analytical sample preparation
Membrane assisted extractions
Water analysis
Electroanalytical Chemistry
Abdullah Sultan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,785
5,888
0.868
Reactive and Complex fluids
Molecular Simulation
EOR