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
* Total Citation Counts Rankings
Ranking Based On Selection :1
Geochronology
Geochemistry
Petrology
Chemical geodynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
102,605
43,967
0.429
* Total Citation Counts Rankings
Ranking Based On Selection :2
Igneous Petrology
Economic Geology
Ore Deposits
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,055
20,113
0.467
* Total Citation Counts Rankings
Ranking Based On Selection :3
Igneous petrology/geochemistry
Lithospheric mantle
Large igneous provinces
Big mantle Wedge
Earth's habitability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,885
14,595
0.505
* Total Citation Counts Rankings
Ranking Based On Selection :4
Petroleum Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,357
11,279
0.463
* Total Citation Counts Rankings
Ranking Based On Selection :5
Organic Maturation and Thermal Maturity
Hydrocarbon Source Rock Characterization including hydrocarbon generation
Coal beneficiation and Clean Coal Technology
Coal utilization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,001
10,407
0.496
* Total Citation Counts Rankings
Ranking Based On Selection :6
Switched systems
Fuzzy systems
Markovian jump systems
Delay systems
Robust control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,449
15,868
0.776
* Total Citation Counts Rankings
Ranking Based On Selection :7
Micro-nano-mechanics
Materials design
Nanofluidic
Molecular dynamics simulation
Petroleum engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,278
13,734
0.712
* Total Citation Counts Rankings
Ranking Based On Selection :8
Ion beam synthesis of materials
Radiation damage
Carbon nanostructures
Plasmonics
Materials for energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,817
5,957
0.354
* Total Citation Counts Rankings
Ranking Based On Selection :9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,701
7,477
0.476
* Total Citation Counts Rankings
Ranking Based On Selection :10
Petroleum
Solar
Education Research
Production
Turbo Machine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,542
11,710
0.753
* Total Citation Counts Rankings
Ranking Based On Selection :11
Energy and materials
Oil and gas utilization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,285
11,435
0.800
* Total Citation Counts Rankings
Ranking Based On Selection :12
Petroleum Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,718
12,139
0.885
* Total Citation Counts Rankings
Ranking Based On Selection :13
Petroleum Generation
Precambrian Research
Biomarker Geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,539
6,847
0.506
* Total Citation Counts Rankings
Ranking Based On Selection :14
Enhanced Oil Recovery
Flow in Porous Media
Nano and Bio Technologies in Oil and Gas Industries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,858
8,679
0.675
* Total Citation Counts Rankings
Ranking Based On Selection :15
heat transfer
solar energy
optical properties
building
cfd
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,827
10,277
0.801
* Total Citation Counts Rankings
Ranking Based On Selection :16
petrogy and geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,517
5,984
0.478
* Total Citation Counts Rankings
Ranking Based On Selection :17
petrology
geochemistry
volcanology
mantle dynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,087
2,611
0.216
* Total Citation Counts Rankings
Ranking Based On Selection :18
光催化、光化学与光物理
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,402
6,452
0.620
* Total Citation Counts Rankings
Ranking Based On Selection :19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,274
8,772
0.946
* Total Citation Counts Rankings
Ranking Based On Selection :20
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
* Total Citation Counts Rankings
Ranking Based On Selection :21
Self-cleaning surfaces
Reversible adhesion
Biomimetics
Petroleum science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,919
7,449
0.835
* Total Citation Counts Rankings
Ranking Based On Selection :22
Petroleum Engineering
Reservoir Engineering
Reservoir Simulation
Nanofluidics
Microfluidics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,555
7,036
0.822
* Total Citation Counts Rankings
Ranking Based On Selection :23
Hydroprocessing
Catalysis
Asphaltene
Refining
CCU
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,549
3,665
0.429
* Total Citation Counts Rankings
Ranking Based On Selection :24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,461
6,845
0.809
* Total Citation Counts Rankings
Ranking Based On Selection :25
Modeling
Machine Learning
Artificial intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,411
7,171
0.853
Xian-Hua Li/李献华
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
102,605
43,967
0.429
Geochronology
Geochemistry
Petrology
Chemical geodynamics
Mei Fu Zhou
University of Hong Kong
Pok Fu Lam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,055
20,113
0.467
Igneous Petrology
Economic Geology
Ore Deposits
Yi-Gang Xu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,885
14,595
0.505
Igneous petrology/geochemistry
Lithospheric mantle
Large igneous provinces
Big mantle Wedge
Earth's habitability
Zhijun Jin(金之钧)
Peking University
Beijing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,357
11,279
0.463
Alok K Singh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,001
10,407
0.496
Organic Maturation and Thermal Maturity
Hydrocarbon Source Rock Characterization including hydrocarbon generation
Coal beneficiation and Clean Coal Technology
Coal utilization
Xudong Zhao
Dalian University of Technology
Dalian, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,449
15,868
0.776
Switched systems
Fuzzy systems
Markovian jump systems
Delay systems
Robust control
Hengan Wu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,278
13,734
0.712
Micro-nano-mechanics
Materials design
Nanofluidic
Molecular dynamics simulation
Petroleum engineering
Devesh Kumar Avasthi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,817
5,957
0.354
Ion beam synthesis of materials
Radiation damage
Carbon nanostructures
Plasmonics
Materials for energy
Cuixia Chen
China University of Petroleum
Beijing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,701
7,477
0.476
Ajit Kumar N Shukla
RK University
Rajkot, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,542
11,710
0.753
Petroleum
Solar
Education Research
Production
Turbo Machine
Ying Zhou
Southwest Petroleum University
Nanchong, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,285
11,435
0.800
Energy and materials
Oil and gas utilization
Mohamed A Mahmoud
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,718
12,139
0.885
Petroleum Engineering
Shuichang Zhang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,539
6,847
0.506
Petroleum Generation
Precambrian Research
Biomarker Geochemistry
Shahab Ayatollahi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,858
8,679
0.675
Enhanced Oil Recovery
Flow in Porous Media
Nano and Bio Technologies in Oil and Gas Industries
Dong Li(李栋)
Northeast Petroleum University
Daqing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,827
10,277
0.801
heat transfer
solar energy
optical properties
building
cfd
Shuguang Song
Peking University
Beijing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,517
5,984
0.478
petrogy and geochemistry
Eiichi Takahashi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,087
2,611
0.216
petrology
geochemistry
volcanology
mantle dynamics
Wenting Wu
China University of Petroleum
Beijing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,402
6,452
0.620
Rongrong Li
China University of Petroleum
Beijing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,274
8,772
0.946
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
Quan Xu- 徐泉
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,919
7,449
0.835
Self-cleaning surfaces
Reversible adhesion
Biomimetics
Petroleum science
Keliu Wu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,555
7,036
0.822
Petroleum Engineering
Reservoir Engineering
Reservoir Simulation
Nanofluidics
Microfluidics
Mohan S Rana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,549
3,665
0.429
Hydroprocessing
Catalysis
Asphaltene
Refining
CCU
Yuxian Wang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,461
6,845
0.809
Babatunde Mustapha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,411
7,171
0.853
Modeling
Machine Learning
Artificial intelligence