Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Robert James Brown](/user/assets/images/profile/no-profile-photo.png)
petroleum seismology
earthquake seismology
geophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,342
22,849
0.527
![Cari Johnson](/user/assets/images/profile/no-profile-photo.png)
Sedimentology
Basin Analysis
Tectonics
Petroleum Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,620
11,390
0.428
![Jack Dvorkin](https://cdn.adscientificindex.com/pictures/ba/547735.jpg)
earth sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,135
8,642
0.374
![Tao Hu](/user/assets/images/profile/no-profile-photo.png)
Petroleum Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,156
12,847
0.671
![Thomas Wagner](https://cdn.adscientificindex.com/pictures/45/1331163.jpg)
Global biogeochemical cycles
Tropical Rainforests
Palaeoenvironment/palaeoclimate
petroleum source rocks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,931
9,016
0.476
![Giuseppe Etiope](https://cdn.adscientificindex.com/pictures/9e/4981500.jpg)
Gas geochemistry
hydrocarbons
petroleum geology
methane origin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,427
9,918
0.604
![Paul Mann](https://cdn.adscientificindex.com/pictures/63/1631271.jpg)
tectonics
structure
basins
faults
petroleum exploration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,154
5,034
0.312
![Roland Horne](https://cdn.adscientificindex.com/pictures/d2/1650370.jpg)
geothermal
fractures
tracers
well testing
petroleum engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,832
5,441
0.344
![TW Patzek](https://cdn.adscientificindex.com/pictures/7f/411431.jpg)
Petroleum Engineering
Ecology
Biofuels
Thermodynamics
Energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,532
4,464
0.307
![Knut Bjørlykke](https://cdn.adscientificindex.com/pictures/d7/1794969.jpg)
Geology
Sedimentology and Petroleum geoloogy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,407
4,969
0.345
![Andres Mora](https://cdn.adscientificindex.com/pictures/1a/4985146.jpg)
Structural Geology
Petroleum Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,959
5,427
0.545
![Joseph Morris](https://cdn.adscientificindex.com/pictures/91/4376332.jpg)
geomechanics
numerical methods
dem
petroleum
hydraulic fracturing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,255
3,853
0.416
![John Howell](https://cdn.adscientificindex.com/pictures/3e/1349127.jpg)
Sedimentology
Virtual Geology
Petroleum Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,632
4,025
0.466
![Kim D Klitgord](https://cdn.adscientificindex.com/pictures/c5/1631332.jpg)
Global petroleum geoscience & tectonic framework
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,116
769
0.095
![Adrian J Hartley](https://cdn.adscientificindex.com/pictures/a4/1349015.jpg)
Sedimentology
Basin Analysis
Petroleum Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,093
3,481
0.430
![Robert H Goldstein](https://cdn.adscientificindex.com/pictures/46/1398282.jpg)
Petroleum Geology
Diagenesis
Stratigraphy
Carbonates
Fluid Inclusions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,930
2,734
0.345
![Lloyd Snowdon](/user/assets/images/profile/no-profile-photo.png)
organic geochemistry
petroleum
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,714
1,932
0.250
![Gareth Chalmers](https://cdn.adscientificindex.com/pictures/66/51804.jpg)
earth surface processes
peat geology
sedimentology
organic petrology
petroleum geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,901
3,626
0.525
![Masanobu Yamamoto](https://cdn.adscientificindex.com/pictures/cd/414985.jpg)
Earth Science
Paleoclimatology
Paleoceanography
Organic Geochemistry
Petroleum Geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,827
2,507
0.367
![Xingyao Yin](https://cdn.adscientificindex.com/pictures/ee/676686.jpg)
Geophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,270
3,958
0.631
![Santanu Banerjee](https://cdn.adscientificindex.com/pictures/c0/414939.jpg)
Sedimentology
stratigraphy
petroleum geology
provenance
authigenic minerals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,002
3,590
0.598
![Mehdi Ostadhassan](https://cdn.adscientificindex.com/pictures/5a/676899.jpg)
Analytical and Simulation Methods in Geoscience and Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,513
5,078
0.921
![Arthur Benjamin Weglein](https://cdn.adscientificindex.com/pictures/d2/1631388.jpg)
Seismic Physics
Petroleum Exploration
Seismic data processing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,485
1,115
0.203
![Yang Liu](https://cdn.adscientificindex.com/pictures/a6/4993397.jpg)
Exploration Seismology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,335
2,539
0.476
![Ronald Spencer](/user/assets/images/profile/no-profile-photo.png)
geology
geochemistry
sedimentology
petroleum geology
climate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,000
1,074
0.215
Robert James Brown
University of Stavanger
Stavanger, Norway
![Norway](/flags/no.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,342
22,849
0.527
petroleum seismology
earthquake seismology
geophysics
Cari Johnson
University of Utah
Salt Lake City, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,620
11,390
0.428
Sedimentology
Basin Analysis
Tectonics
Petroleum Geology
Jack Dvorkin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,135
8,642
0.374
Tao Hu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,156
12,847
0.671
Thomas Wagner
Newcastle University
Newcastle upon Tyne, United Kingdom
![United Kingdom](/flags/gb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,931
9,016
0.476
Global biogeochemical cycles
Tropical Rainforests
Palaeoenvironment/palaeoclimate
petroleum source rocks
Giuseppe Etiope
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,427
9,918
0.604
Gas geochemistry
hydrocarbons
petroleum geology
methane origin
Paul Mann
University of Houston
Houston, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,154
5,034
0.312
tectonics
structure
basins
faults
petroleum exploration
Roland Horne
Stanford University
Stanford, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,832
5,441
0.344
geothermal
fractures
tracers
well testing
petroleum engineering
TW Patzek
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,532
4,464
0.307
Petroleum Engineering
Ecology
Biofuels
Thermodynamics
Energy
Knut Bjørlykke
University of Oslo
Oslo, Norway
![Norway](/flags/no.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,407
4,969
0.345
Geology
Sedimentology and Petroleum geoloogy
Andres Mora
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,959
5,427
0.545
Structural Geology
Petroleum Geology
Joseph Morris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,255
3,853
0.416
geomechanics
numerical methods
dem
petroleum
hydraulic fracturing
John Howell
University of Aberdeen
Aberdeen, United Kingdom
![United Kingdom](/flags/gb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,632
4,025
0.466
Sedimentology
Virtual Geology
Petroleum Geology
Kim D Klitgord
University of Houston
Houston, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,116
769
0.095
Global petroleum geoscience & tectonic framework
Adrian J Hartley
University of Aberdeen
Aberdeen, United Kingdom
![United Kingdom](/flags/gb.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,093
3,481
0.430
Sedimentology
Basin Analysis
Petroleum Geology
Robert H Goldstein
University of Kansas
Lawrence, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,930
2,734
0.345
Petroleum Geology
Diagenesis
Stratigraphy
Carbonates
Fluid Inclusions
Lloyd Snowdon
University of Calgary
Calgary, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,714
1,932
0.250
organic geochemistry
petroleum
Gareth Chalmers
University of the Sunshine Coast
Sippy Downs, Australia
![Australia](/flags/au.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,901
3,626
0.525
earth surface processes
peat geology
sedimentology
organic petrology
petroleum geology
Masanobu Yamamoto
Hokkaido University
Sapporo, Japan
![Japan](/flags/jp.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,827
2,507
0.367
Earth Science
Paleoclimatology
Paleoceanography
Organic Geochemistry
Petroleum Geochemistry
Xingyao Yin
China University of Petroleum
Beijing, China
![China](/flags/cn.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,270
3,958
0.631
Santanu Banerjee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,002
3,590
0.598
Sedimentology
stratigraphy
petroleum geology
provenance
authigenic minerals
Mehdi Ostadhassan
Northeast Petroleum University
Daqing, China
![China](/flags/cn.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,513
5,078
0.921
Analytical and Simulation Methods in Geoscience and Engineering
Arthur Benjamin Weglein
University of Houston
Houston, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,485
1,115
0.203
Seismic Physics
Petroleum Exploration
Seismic data processing
Yang Liu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,335
2,539
0.476
Ronald Spencer
University of Calgary
Calgary, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,000
1,074
0.215
geology
geochemistry
sedimentology
petroleum geology
climate