The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection :151
hydrocarbon recovery processes optimization
realtime data stream mining
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140
62
0.443
* Total Citation Counts Rankings
Ranking Based On Selection :152
Geophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
56
0.409
* Total Citation Counts Rankings
Ranking Based On Selection :153
Reservoir Engineering
Fractured Reservoirs
Enhanced Oil Recovery
Foam Flow in Porous Media
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
106
0.797
* Total Citation Counts Rankings
Ranking Based On Selection :154
Oilfield Drilling Technology
Multiphase flows
porous media flows
turbulence
reactive flows
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
101
0.759
* Total Citation Counts Rankings
Ranking Based On Selection :155
Mudrocks
Sedimentology
Stratigraphy
Geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120
118
0.983
* Total Citation Counts Rankings
Ranking Based On Selection :156
Petroleum Engineering
Emulsions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
117
85
0.726
* Total Citation Counts Rankings
Ranking Based On Selection :157
data science
statistics
drilling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
106
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :158
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
69
0.657
* Total Citation Counts Rankings
Ranking Based On Selection :159
Hydraulic Fracturing
unconventional resources
geomechanics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
72
0.742
* Total Citation Counts Rankings
Ranking Based On Selection :160
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
92
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :161
Emulsion chemistry
Polymer chemistry
Gas treatment
Sulfur chemistry
Carbon dioxide chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
78
0.848
* Total Citation Counts Rankings
Ranking Based On Selection :162
petroleum
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86
59
0.686
* Total Citation Counts Rankings
Ranking Based On Selection :163
Seismic
Electromagnetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85
71
0.835
* Total Citation Counts Rankings
Ranking Based On Selection :164
Flow Assurance
Scale Mitigation
Acid and Fracturing Stimulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76
53
0.697
* Total Citation Counts Rankings
Ranking Based On Selection :165
Oil & Gas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74
73
0.986
* Total Citation Counts Rankings
Ranking Based On Selection :166
Reservoir Simulation
High Performance Computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
64
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :167
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
24
0.387
* Total Citation Counts Rankings
Ranking Based On Selection :168
Petroleum Engineering
Reservoir Simulation
Well Testing
Field Development
Artificial
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60
55
0.917
* Total Citation Counts Rankings
Ranking Based On Selection :169
Chemical Synthesis
Sustainable Oilfields Chemicals
Wellbore Isolation
Loss circulations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
59
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :170
Geophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
41
0.695
* Total Citation Counts Rankings
Ranking Based On Selection :171
Cyber Security
IP Networks
Cloud Computing
DNS Security
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
57
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :172
Sequence Stratigraphy & Trapping Mechanism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56
32
0.571
* Total Citation Counts Rankings
Ranking Based On Selection :173
Chemistry
Microbiology
Sensors
MIC
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55
38
0.691
* Total Citation Counts Rankings
Ranking Based On Selection :174
geophysics
seismic
CO2 sequestration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52
50
0.962
* Total Citation Counts Rankings
Ranking Based On Selection :175
Sustainability
Water Shutoff
Stimulation
Hydraulic Fracturing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
Muhammad Algosayir
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140
62
0.443
hydrocarbon recovery processes optimization
realtime data stream mining
Ghada A Sindi
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
56
0.409
Bi Alquaimi
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
106
0.797
Reservoir Engineering
Fractured Reservoirs
Enhanced Oil Recovery
Foam Flow in Porous Media
Amjad Alshaarawi
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
101
0.759
Oilfield Drilling Technology
Multiphase flows
porous media flows
turbulence
reactive flows
Ahmed Alnahwi
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120
118
0.983
Mudrocks
Sedimentology
Stratigraphy
Geochemistry
Mohammad Al-Abbad
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
117
85
0.726
Petroleum Engineering
Emulsions
Beshir Aman
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
106
1.000
Jesus Felix
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
69
0.657
Mohammed Kurdi
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
72
0.742
Hydraulic Fracturing
unconventional resources
geomechanics
Mohammed Almubarak
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
92
1.000
Guillaume Raynel
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92
78
0.848
Emulsion chemistry
Polymer chemistry
Gas treatment
Sulfur chemistry
Carbon dioxide chemistry
Pratyush Singh
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86
59
0.686
Taqi Alyousuf
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85
71
0.835
Yaser Alduailej
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76
53
0.697
Flow Assurance
Scale Mitigation
Acid and Fracturing Stimulation
Nassir Abalkhail
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74
73
0.986
Suha Kayum
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
64
1.000
Mohammad Khadhrawi
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
24
0.387
Menhal Ismael|Menhal Al-Ismael, Menhal Al-Ismail, Menhal Ismail
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60
55
0.917
Petroleum Engineering
Reservoir Simulation
Well Testing
Field Development
Artificial
Khawlah Alanqari
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
59
1.000
Chemical Synthesis
Sustainable Oilfields Chemicals
Wellbore Isolation
Loss circulations
Abdullah Ramadhan
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
41
0.695
Hafiz Farooq
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
57
1.000
Yin Xu
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56
32
0.571
Mohammed Almoniee
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55
38
0.691
Chemistry
Microbiology
Sensors
MIC
Hussain Alnasser|Husain Nassir, Husain Nasser, Hussain Nassir
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52
50
0.962
geophysics
seismic
CO2 sequestration
Mohammed Ibrahim Alabdrabalnabi|Alabdrabalnabi, M I, Alabdrabalnabi, Mohammed I, .Alabdrabalnabi, M. I
Saudi Arabian Oil Company
Dhahran, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
Sustainability
Water Shutoff
Stimulation
Hydraulic Fracturing