i10 Productivity
Rankings

Royal Dutch Shell ScientistsEngineering & Technology / Earth Sciences i10 Productivity Rankings (Sort by last 6 years i10 Index) 2025

Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings"

* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
United States
Jon Jincai Zhang
Geomechanics
Pore pressure prediction
Pore pressure
Wellbore stability
Rock mechanics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
45
0.672
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
United States
Jorge Lopez
Geofisica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
41
0.432
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
United States
Ronny Hofmann
Rock Physics
Geophysics
Petrophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
36
0.818
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
United States
Christian Heine
Tectonics
Plate kinematics
Geodynamics
Paleogeography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
31
0.838
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
United States
Ruarri J Day-Stirrat
Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
27
0.931
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :6
United States
Niko Kampman
Geochemistry / CCS / nuclear waste storage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :7
United States
Mark W Martin
Geology
Tectonics
Mineral Exploration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
24
0.462
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :8
United States
John Solum
Geology
Structural Geology
Seismic Interpretation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :9
United States
Rishi Singh
Geomechanics
Rock Mechanics
Rock Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
20
0.400
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :10
United States
L Taras Bryndzia
Geochemistry
stable isotopes
mineral diagenesis
hydrocarbons
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
18
0.429
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :11
United States
Wei Dai
Seismic inversion and imaging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
18
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :12
United States
Zhaohui Yang
Geophysics/Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :13
United States
Ken Mcdermott
Tectonics
Geodynamics
Rifted margins
structural geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :14
United States
Michael C Poppelreiter
Carbonate Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
16
0.571
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :15
United States
Olukayode Kuloyo|Kay Kuloyo
Renewable Natural Gas
Low-Carbon Biofuels
Environmental Microbiology
Isotope Geochemistry
Fermentation Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :16
United States
Joachim E Amthor
Carbonate Reservoir Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
15
0.577
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :17
United States
Andrew J Barnett
Sedimentology
Stratigraphy
Diagenesis
Petrophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :18
United States
Matteo Paganoni
Earth Sciences
Petroleum Geosciences
Gas Hydrates
Diagenesis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :19
United States
Oriol Falivene
Stratigraphy
Stratigraphic Forward Modeling
Reservoir Modeling
Deep Learning
Machine Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :20
United States
Antonino Cilona
Geology
Structural Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :21
United States
Jürgen Grötsch
Geology
Geoscience
Sedimentology
Stratigraphy
Energy Resources
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
12
0.462
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :22
United States
Henning Kuehl
geophysics
oil and gas exploration and development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :23
United States
Matteo Molinaro
Geology
Structural Geology
Petroleum geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :24
United States
John M Martin
Sedimentary Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :25
United States
Jack Levell
Solar Photovoltaics
Geophysical Sensors
Organic Light Emitting Diodes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 1
Jon Jincai Zhang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
45
0.672
Geomechanics
Pore pressure prediction
Pore pressure
Wellbore stability
Rock mechanics
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 2
Jorge Lopez
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
41
0.432
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 3
Ronny Hofmann
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
36
0.818
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 4
Christian Heine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
31
0.838
Tectonics
Plate kinematics
Geodynamics
Paleogeography
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 5
Ruarri J Day-Stirrat
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
27
0.931
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 6
Niko Kampman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 7
Mark W Martin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
24
0.462
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 8
John Solum
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
Geology
Structural Geology
Seismic Interpretation
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 9
Rishi Singh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
20
0.400
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 10
L Taras Bryndzia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
18
0.429
Geochemistry
stable isotopes
mineral diagenesis
hydrocarbons
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 11
Wei Dai
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
18
0.750
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 12
Zhaohui Yang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 13
Ken Mcdermott
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Tectonics
Geodynamics
Rifted margins
structural geology
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 14
Michael C Poppelreiter
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
16
0.571
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 15
Olukayode Kuloyo|Kay Kuloyo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
Renewable Natural Gas
Low-Carbon Biofuels
Environmental Microbiology
Isotope Geochemistry
Fermentation Technology
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 16
Joachim E Amthor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
15
0.577
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 17
Andrew J Barnett
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
Sedimentology
Stratigraphy
Diagenesis
Petrophysics
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 18
Matteo Paganoni
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
Earth Sciences
Petroleum Geosciences
Gas Hydrates
Diagenesis
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 19
Oriol Falivene
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
Stratigraphy
Stratigraphic Forward Modeling
Reservoir Modeling
Deep Learning
Machine Learning
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 20
Antonino Cilona
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 21
Jürgen Grötsch
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
12
0.462
Geology
Geoscience
Sedimentology
Stratigraphy
Energy Resources
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 22
Henning Kuehl
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
geophysics
oil and gas exploration and development
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 23
Matteo Molinaro
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 24
John M Martin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Last 6 Years i10 Index Rankings
Rankings
Ranking Based On Selection: 25
Jack Levell
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
Solar Photovoltaics
Geophysical Sensors
Organic Light Emitting Diodes