World

H-Index
Rankings

World Scientists H-Index Engineering & Technology / Petroleum Engineering Rankings 2025

The "AD Scientific Index" analyses the academic work of scientists using the H-index, i10 index and number of citations, and provides results that can be used to evaluate the productivity and efficiency of individuals and institutions. In addition to ranking according to "total H-index" for individuals and institutions, you can also see the ranking and analyses according to "Scientists Last 6 years H-index"and Subject Rankings.

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Total 1.894 scientist
* Total H Index Rankings
World Rank
79,857
Country Rank
1,502
Institution Rank :32
Ranking Based On Selection :76
Japan
Toshiaki Tsunogae
Toshiaki Tsunogae
University of Tsukuba
Tsukuba , Japan
Engineering & Technology / Petroleum Engineering
geology
petrology
metamorphic petrology
granulite
crustal evolution
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
29
0.580
See All Rankings and Analysis
* Total H Index Rankings
World Rank
80,186
Country Rank
3,720
Institution Rank :27
Ranking Based On Selection :77
Canada
George Jenner
George Jenner
Memorial University of Newfoundland
St John’s , Canada
Engineering & Technology / Petroleum Engineering
igneous petrology
geochemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
28
0.560
See All Rankings and Analysis
* Total H Index Rankings
World Rank
80,312
Country Rank
774
Institution Rank :169
Ranking Based On Selection :78
Denmark
CE Lesher
CE Lesher
Aarhus University
Aarhus , Denmark
Engineering & Technology / Petroleum Engineering
Igneous Petrology
Geochemistry
Materials Science
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
27
0.540
See All Rankings and Analysis
* Total H Index Rankings
World Rank
82,277
Country Rank
3,770
Institution Rank :18
Ranking Based On Selection :79
Germany
Jens Gutzmer
Jens Gutzmer
Helmholtz-Zentrum Dresden-Rossendorf
Dresden , Germany
Engineering & Technology / Petroleum Engineering
Geometallurgy
Economic Geology
Petrology
Resource Technology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
37
0.755
See All Rankings and Analysis
* Total H Index Rankings
World Rank
82,484
Country Rank
30,784
Institution Rank :52
Ranking Based On Selection :80
United States
Carl Sondergeld
Carl Sondergeld
University of Oklahoma
Norman , United States
Engineering & Technology / Petroleum Engineering
petrophysics
rock physics
geomechanics
seismics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
36
0.735
See All Rankings and Analysis
* Total H Index Rankings
World Rank
83,375
Country Rank
31,070
Institution Rank :344
Ranking Based On Selection :81
United States
Mojdeh Delshad
Mojdeh Delshad
University of Texas Austin
Austin , United States
Engineering & Technology / Petroleum Engineering
petroleum engineering
surfactant flooding
hydrogen and CO2 storage
gel
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
32
0.653
See All Rankings and Analysis
* Total H Index Rankings
World Rank
83,931
Country Rank
224
Institution Rank :88
Ranking Based On Selection :82
Mexico
F Ortega Gutiérrez
F Ortega Gutiérrez
Universidad Nacional Autónoma de México
Mexico City , Mexico
Engineering & Technology / Petroleum Engineering
Petrology
Tectonics
Planetary Sciences
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
30
0.612
See All Rankings and Analysis
* Total H Index Rankings
World Rank
85,436
Country Rank
281
Institution Rank :24
Ranking Based On Selection :83
Saudi Arabia
Salaheldin Elkatatny
Salaheldin Elkatatny
King Fahd University of Petroleum & Minerals
Dhahran , Saudi Arabia
Engineering & Technology / Petroleum Engineering
Artificial Intelligence in Petroleum Engineering
Drilling Engineering
Cementing
Drilling Fluids
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
47
0.979
See All Rankings and Analysis
* Total H Index Rankings
World Rank
85,494
Country Rank
3,956
Institution Rank :5
Ranking Based On Selection :84
China
Quan Xu- 徐泉
Quan Xu- 徐泉
China University of Petroleum Beijing
Beijing , China
Engineering & Technology / Petroleum Engineering
Self-cleaning surfaces
Reversible adhesion
Biomimetics
Petroleum science
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
46
0.958
See All Rankings and Analysis
* Total H Index Rankings
World Rank
85,680
Country Rank
1,097
Institution Rank :21
Ranking Based On Selection :85
India
Jitendra Sangwai
Jitendra Sangwai
Indian Institute of Technology IIT Madras
Chennai , India
Engineering & Technology / Petroleum Engineering
Petroleum Engineering
Natural Gas Engineering
CCUS
Environmental Engineering
Nanotechnology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
43
0.896
See All Rankings and Analysis
* Total H Index Rankings
World Rank
85,780
Country Rank
513
Institution Rank :3
Ranking Based On Selection :86
Iran
Abdolhossein Hemmati-Sarapardeh عبدالحسین همتی سراپرده
Abdolhossein Hemmati-Sarapardeh عبدالحسین همتی سراپرده
Shahid Bahonar University of Kerman
Kerman , Iran
Engineering & Technology / Petroleum Engineering
Interfacial phenomena
EOR
Asphaltene
Machine Learning
Nano
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
42
0.875
See All Rankings and Analysis
* Total H Index Rankings
World Rank
88,579
Country Rank
32,705
Institution Rank :99
Ranking Based On Selection :87
United States
Mohamed Soliman
Mohamed Soliman
University of Houston
Houston , United States
Engineering & Technology / Petroleum Engineering
Stimulation
Hydraulic Fracturing
Simulation
Fluid Flow
Conformance Application
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
28
0.583
See All Rankings and Analysis
* Total H Index Rankings
World Rank
91,333
Country Rank
4,315
Institution Rank :11
Ranking Based On Selection :88
China
Shaoran Ren
Shaoran Ren
China University of Petroleum
Beijing , China
Engineering & Technology / Petroleum Engineering
petroleum science
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
See All Rankings and Analysis
* Total H Index Rankings
World Rank
92,039
Country Rank
33,785
Institution Rank :62
Ranking Based On Selection :89
United States
Chandra S Rai
Chandra S Rai
University of Oklahoma
Norman , United States
Engineering & Technology / Petroleum Engineering
Petroleum
Petrophysics
Energy
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
33
0.702
See All Rankings and Analysis
* Total H Index Rankings
World Rank
92,760
Country Rank
34,011
Institution Rank :42
Ranking Based On Selection :90
United States
Alexei V Milkov
Alexei V Milkov
Colorado School of Mines
Golden , United States
Engineering & Technology / Petroleum Engineering
Petroleum geoscience
Petroleum geochemistry
Basin modelling
Methane emissions
Gas hydrates
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
31
0.660
See All Rankings and Analysis
* Total H Index Rankings
World Rank
93,007
Country Rank
4,246
Institution Rank :99
Ranking Based On Selection :91
Germany
Chris Ballhaus
Chris Ballhaus
Rheinische Friedrich Wilhelms Universität Bonn
Bonn , Germany
Engineering & Technology / Petroleum Engineering
Petrology
Geochemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
30
0.638
See All Rankings and Analysis
* Total H Index Rankings
World Rank
94,593
Country Rank
995
Institution Rank :33
Ranking Based On Selection :92
Belgium
Jean Clair Duchesne
Jean Clair Duchesne
Université de Liège
Liège , Belgium
Engineering & Technology / Petroleum Engineering
petrology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
21
0.447
See All Rankings and Analysis
* Total H Index Rankings
World Rank
95,344
Country Rank
34,900
Institution Rank :89
Ranking Based On Selection :93
United States
Xiao Shang
Xiao Shang
University of Cincinnati
Cincinnati , United States
Engineering & Technology / Petroleum Engineering
Electrocatalysis
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
41
0.891
See All Rankings and Analysis
* Total H Index Rankings
World Rank
97,121
Country Rank
35,415
Institution Rank :8
Ranking Based On Selection :94
United States
Stefan Miska
Stefan Miska
University of Tulsa
Tulsa , United States
Engineering & Technology / Petroleum Engineering
rock mechanics
drilling hydraulics
optimization
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
See All Rankings and Analysis
* Total H Index Rankings
World Rank
97,558
Country Rank
35,527
Institution Rank :79
Ranking Based On Selection :95
United States
Lowenstern, Jb
Lowenstern, Jb
U.S. Geological Survey
, United States
Engineering & Technology / Petroleum Engineering
Volcanology
Geochemistry
Igenous Petrology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
31
0.674
See All Rankings and Analysis
* Total H Index Rankings
World Rank
98,107
Country Rank
4,701
Institution Rank :195
Ranking Based On Selection :96
Italy
Massimo D Antonio
Massimo D Antonio
Università degli Studi di Napoli Federico II
Napoli , Italy
Engineering & Technology / Petroleum Engineering
geochemistry
isotope geochemistry
petrology
volcanology
igneous petrology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
29
0.630
See All Rankings and Analysis
* Total H Index Rankings
World Rank
98,120
Country Rank
4,470
Institution Rank :7
Ranking Based On Selection :97
Canada
C Michael Lesher
C Michael Lesher
Université Laurentienne
Sudbury , Canada
Engineering & Technology / Petroleum Engineering
Ore Deposits
Igneous Geochemistry
Igneous Petrology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
29
0.630
See All Rankings and Analysis
* Total H Index Rankings
World Rank
98,578
Country Rank
1,358
Institution Rank :8
Ranking Based On Selection :98
India
Somnath Dasgupta
Somnath Dasgupta
Indian Institute of Science Education and Research Kolkata
Mohanpur , India
Engineering & Technology / Petroleum Engineering
Metamorphic Petrology
Geology
Economic Geology
Geochemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
27
0.587
See All Rankings and Analysis
* Total H Index Rankings
World Rank
99,021
Country Rank
17
Institution Rank :6
Ranking Based On Selection :99
Kuwait
Mohan S Rana
Mohan S Rana
Kuwait Institute for Scientific Research
- , Kuwait
Engineering & Technology / Petroleum Engineering
Hydroprocessing
Catalysis
Asphaltene
Refining
CCU
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
25
0.543
See All Rankings and Analysis
* Total H Index Rankings
World Rank
100,828
Country Rank
36,555
Institution Rank :389
Ranking Based On Selection :100
United States
Tongwei Zhang
Tongwei Zhang
University of Texas Austin
Austin , United States
Engineering & Technology / Petroleum Engineering
Petroleum and Nautral Gas Geology and Geochemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
45
37
0.822
See All Rankings and Analysis
* Total H Index Rankings
Rankings
79,857
Japan
1,502
32
Ranking Based On Selection: 76
Toshiaki Tsunogae
Toshiaki Tsunogae
University of Tsukuba Tsukuba, Japan Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
29
0.580
Engineering & Technology / Petroleum Engineering
geology
petrology
metamorphic petrology
granulite
crustal evolution
See All Rankings and Analysis
* Total H Index Rankings
Rankings
80,186
Canada
3,720
27
Ranking Based On Selection: 77
George Jenner
George Jenner
Memorial University of Newfoundland St John’s, Canada Canada
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
28
0.560
Engineering & Technology / Petroleum Engineering
igneous petrology
geochemistry
See All Rankings and Analysis
* Total H Index Rankings
Rankings
80,312
Denmark
774
169
Ranking Based On Selection: 78
CE Lesher
CE Lesher
Aarhus University Aarhus, Denmark Denmark
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
27
0.540
Engineering & Technology / Petroleum Engineering
Igneous Petrology
Geochemistry
Materials Science
See All Rankings and Analysis
* Total H Index Rankings
Rankings
82,277
Germany
3,770
18
Ranking Based On Selection: 79
Jens Gutzmer
Jens Gutzmer
Helmholtz-Zentrum Dresden-Rossendorf Dresden, Germany Germany
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
37
0.755
Engineering & Technology / Petroleum Engineering
Geometallurgy
Economic Geology
Petrology
Resource Technology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
82,484
United States
30,784
52
Ranking Based On Selection: 80
Carl Sondergeld
Carl Sondergeld
University of Oklahoma Norman, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
36
0.735
Engineering & Technology / Petroleum Engineering
petrophysics
rock physics
geomechanics
seismics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
83,375
United States
31,070
344
Ranking Based On Selection: 81
Mojdeh Delshad
Mojdeh Delshad
University of Texas Austin Austin, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
32
0.653
Engineering & Technology / Petroleum Engineering
petroleum engineering
surfactant flooding
hydrogen and CO2 storage
gel
See All Rankings and Analysis
* Total H Index Rankings
Rankings
83,931
Mexico
224
88
Ranking Based On Selection: 82
F Ortega Gutiérrez
F Ortega Gutiérrez
Universidad Nacional Autónoma de México Mexico City, Mexico Mexico
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
30
0.612
Engineering & Technology / Petroleum Engineering
Petrology
Tectonics
Planetary Sciences
See All Rankings and Analysis
* Total H Index Rankings
Rankings
85,436
Saudi Arabia
281
24
Ranking Based On Selection: 83
Salaheldin Elkatatny
Salaheldin Elkatatny
King Fahd University of Petroleum & Minerals Dhahran, Saudi Arabia Saudi Arabia
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
47
0.979
Engineering & Technology / Petroleum Engineering
Artificial Intelligence in Petroleum Engineering
Drilling Engineering
Cementing
Drilling Fluids
See All Rankings and Analysis
* Total H Index Rankings
Rankings
85,494
China
3,956
5
Ranking Based On Selection: 84
Quan Xu- 徐泉
Quan Xu- 徐泉
China University of Petroleum Beijing Beijing, China China
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
46
0.958
Engineering & Technology / Petroleum Engineering
Self-cleaning surfaces
Reversible adhesion
Biomimetics
Petroleum science
See All Rankings and Analysis
* Total H Index Rankings
Rankings
85,680
India
1,097
21
Ranking Based On Selection: 85
Jitendra Sangwai
Jitendra Sangwai
Indian Institute of Technology IIT Madras Chennai, India India
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
43
0.896
Engineering & Technology / Petroleum Engineering
Petroleum Engineering
Natural Gas Engineering
CCUS
Environmental Engineering
Nanotechnology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
85,780
Iran
513
3
Ranking Based On Selection: 86
Abdolhossein Hemmati-Sarapardeh عبدالحسین همتی سراپرده
Abdolhossein Hemmati-Sarapardeh عبدالحسین همتی سراپرده
Shahid Bahonar University of Kerman Kerman, Iran Iran
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
42
0.875
Engineering & Technology / Petroleum Engineering
Interfacial phenomena
EOR
Asphaltene
Machine Learning
Nano
See All Rankings and Analysis
* Total H Index Rankings
Rankings
88,579
United States
32,705
99
Ranking Based On Selection: 87
Mohamed Soliman
Mohamed Soliman
University of Houston Houston, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
28
0.583
Engineering & Technology / Petroleum Engineering
Stimulation
Hydraulic Fracturing
Simulation
Fluid Flow
Conformance Application
See All Rankings and Analysis
* Total H Index Rankings
Rankings
91,333
China
4,315
11
Ranking Based On Selection: 88
Shaoran Ren
Shaoran Ren
China University of Petroleum Beijing, China China
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
Engineering & Technology / Petroleum Engineering
petroleum science
See All Rankings and Analysis
* Total H Index Rankings
Rankings
92,039
United States
33,785
62
Ranking Based On Selection: 89
Chandra S Rai
Chandra S Rai
University of Oklahoma Norman, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
33
0.702
Engineering & Technology / Petroleum Engineering
Petroleum
Petrophysics
Energy
See All Rankings and Analysis
* Total H Index Rankings
Rankings
92,760
United States
34,011
42
Ranking Based On Selection: 90
Alexei V Milkov
Alexei V Milkov
Colorado School of Mines Golden, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
31
0.660
Engineering & Technology / Petroleum Engineering
Petroleum geoscience
Petroleum geochemistry
Basin modelling
Methane emissions
Gas hydrates
See All Rankings and Analysis
* Total H Index Rankings
Rankings
93,007
Germany
4,246
99
Ranking Based On Selection: 91
Chris Ballhaus
Chris Ballhaus
Rheinische Friedrich Wilhelms Universität Bonn Bonn, Germany Germany
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
30
0.638
Engineering & Technology / Petroleum Engineering
Petrology
Geochemistry
See All Rankings and Analysis
* Total H Index Rankings
Rankings
94,593
Belgium
995
33
Ranking Based On Selection: 92
Jean Clair Duchesne
Jean Clair Duchesne
Université de Liège Liège, Belgium Belgium
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
21
0.447
Engineering & Technology / Petroleum Engineering
petrology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
95,344
United States
34,900
89
Ranking Based On Selection: 93
Xiao Shang
Xiao Shang
University of Cincinnati Cincinnati, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
41
0.891
Engineering & Technology / Petroleum Engineering
Electrocatalysis
See All Rankings and Analysis
* Total H Index Rankings
Rankings
97,121
United States
35,415
8
Ranking Based On Selection: 94
Stefan Miska
Stefan Miska
University of Tulsa Tulsa, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
Engineering & Technology / Petroleum Engineering
rock mechanics
drilling hydraulics
optimization
See All Rankings and Analysis
* Total H Index Rankings
Rankings
97,558
United States
35,527
79
Ranking Based On Selection: 95
Lowenstern, Jb
Lowenstern, Jb
U.S. Geological Survey , United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
31
0.674
Engineering & Technology / Petroleum Engineering
Volcanology
Geochemistry
Igenous Petrology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
98,107
Italy
4,701
195
Ranking Based On Selection: 96
Massimo D Antonio
Massimo D Antonio
Università degli Studi di Napoli Federico II Napoli, Italy Italy
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
29
0.630
Engineering & Technology / Petroleum Engineering
geochemistry
isotope geochemistry
petrology
volcanology
igneous petrology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
98,120
Canada
4,470
7
Ranking Based On Selection: 97
C Michael Lesher
C Michael Lesher
Université Laurentienne Sudbury, Canada Canada
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
29
0.630
Engineering & Technology / Petroleum Engineering
Ore Deposits
Igneous Geochemistry
Igneous Petrology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
98,578
India
1,358
8
Ranking Based On Selection: 98
Somnath Dasgupta
Somnath Dasgupta
Indian Institute of Science Education and Research Kolkata Mohanpur, India India
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
27
0.587
Engineering & Technology / Petroleum Engineering
Metamorphic Petrology
Geology
Economic Geology
Geochemistry
See All Rankings and Analysis
* Total H Index Rankings
Rankings
99,021
Kuwait
17
6
Ranking Based On Selection: 99
Mohan S Rana
Mohan S Rana
Kuwait Institute for Scientific Research -, Kuwait Kuwait
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
25
0.543
Engineering & Technology / Petroleum Engineering
Hydroprocessing
Catalysis
Asphaltene
Refining
CCU
See All Rankings and Analysis
* Total H Index Rankings
Rankings
100,828
United States
36,555
389
Ranking Based On Selection: 100
Tongwei Zhang
Tongwei Zhang
University of Texas Austin Austin, United States United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
45
37
0.822
Engineering & Technology / Petroleum Engineering
Petroleum and Nautral Gas Geology and Geochemistry
See All Rankings and Analysis