i10 Productivity
Rankings
World 2,319 Scientists Engineering & Technology / Petroleum Engineering i10 Productivity Rankings - 2025
Total 2,424,675 scientists, country 221, and institutions 24,468 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
petroleum engineering
hydraulic fracturing
formation damage
water injection
production engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
601
362
0.602
* Total i10 IndexRankings
Ranking Based On Selection: 2
Petroleum Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
565
255
0.451
* Total i10 IndexRankings
Ranking Based On Selection: 3
Organic Maturation and Thermal Maturity
Hydrocarbon Source Rock Characterization including hydrocarbon generation
Coal beneficiation and Clean Coal Technology
Coal utilization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
531
268
0.505
* Total i10 IndexRankings
Ranking Based On Selection: 4
Ion beam synthesis of materials
Radiation damage
Carbon nanostructures
Plasmonics
Materials for energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
463
161
0.348
* Total i10 IndexRankings
Ranking Based On Selection: 5
Petroleum Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
458
280
0.611
* Total i10 IndexRankings
Ranking Based On Selection: 6
Petroleum Engineering
Reservoir Simulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
452
280
0.619
* Total i10 IndexRankings
Ranking Based On Selection: 7
coal petrology
fly ash petrology
coal geochemistry
coal maceral origins
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
426
284
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 8
Petroleum Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
402
364
0.905
* Total i10 IndexRankings
Ranking Based On Selection: 9
Geochronology
Isotope Geochemistry
LA-ICP-MS
Laser ablation ICP-MS
Petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
375
315
0.840
* Total i10 IndexRankings
Ranking Based On Selection: 10
Igneous Petrology
Economic Geology
Ore Deposits
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
372
313
0.841
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* Total i10 IndexRankings
Ranking Based On Selection: 11
petroleum engineering
reservoir engineering
enhanced oil recovery
reservoir simulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
372
204
0.548
* Total i10 IndexRankings
Ranking Based On Selection: 12
petrologi
mineralogi
geokemi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
351
90
0.256
* Total i10 IndexRankings
Ranking Based On Selection: 13
Geochemistry
igneous petrology
platinum group element geochemistry
Re-Os isotopes
Molecular
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
346
262
0.757
* Total i10 IndexRankings
Ranking Based On Selection: 14
mineralogy
astrobiology
astrochemistry
petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
341
221
0.648
* Total i10 IndexRankings
Ranking Based On Selection: 15
Switched systems
Fuzzy systems
Markovian jump systems
Delay systems
Robust control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
335
299
0.893
* Total i10 IndexRankings
Ranking Based On Selection: 16
Geochronology
Geochemistry
Petrology
Chemical geodynamics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
326
292
0.896
* Total i10 IndexRankings
Ranking Based On Selection: 17
Igneous petrology/geochemistry
Lithospheric mantle
Large igneous provinces
Big mantle Wedge
Earth's habitability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
309
250
0.809
* Total i10 IndexRankings
Ranking Based On Selection: 18
Petroleum engineering
oilfield chemistry
surface science
mineral scale
reservoir engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
284
130
0.458
* Total i10 IndexRankings
Ranking Based On Selection: 19
heat transfer
solar energy
optical properties
building
cfd
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
279
238
0.853
* Total i10 IndexRankings
Ranking Based On Selection: 20
Mineralogy
Geochemistry
Petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
272
155
0.570
* Total i10 IndexRankings
Ranking Based On Selection: 21
Artificial Intelligence in Petroleum Engineering
Drilling Engineering
Cementing
Drilling Fluids
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
267
258
0.966
* Total i10 IndexRankings
Ranking Based On Selection: 22
reservoir engineering
enhanced oil recovery
petroleum engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
265
132
0.498
* Total i10 IndexRankings
Ranking Based On Selection: 23
Peteoleum Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
263
233
0.886
* Total i10 IndexRankings
Ranking Based On Selection: 24
Petroleum Generation
Precambrian Research
Biomarker Geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
263
164
0.624
* Total i10 IndexRankings
Ranking Based On Selection: 25
petroleum engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
256
202
0.789
Mukul Sharma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
601
362
0.602
petroleum engineering
hydraulic fracturing
formation damage
water injection
production engineering
Zhijun Jin（金之钧）
Peking University
Beijing, China
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
565
255
0.451
Alok K Singh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
531
268
0.505
Organic Maturation and Thermal Maturity
Hydrocarbon Source Rock Characterization including hydrocarbon generation
Coal beneficiation and Clean Coal Technology
Coal utilization
Devesh Kumar Avasthi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
463
161
0.348
Ion beam synthesis of materials
Radiation damage
Carbon nanostructures
Plasmonics
Materials for energy
SM Farouq Ali
University of Houston
Houston, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
458
280
0.611
Petroleum Engineering
Kamy Sepehrnoori
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
452
280
0.619
Petroleum Engineering
Reservoir Simulation
James C Hower
University of Kentucky
Lexington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
426
284
0.667
coal petrology
fly ash petrology
coal geochemistry
coal maceral origins
Mohamed A Mahmoud
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
402
364
0.905
Petroleum Engineering
Axel Gerdes
Goethe University Frankfurt
Frankfurt, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
375
315
0.840
Geochronology
Isotope Geochemistry
LA-ICP-MS
Laser ablation ICP-MS
Petrology
Mei Fu Zhou
University of Hong Kong
Pokfulam, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
372
313
0.841
Igneous Petrology
Economic Geology
Ore Deposits
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Gary A Pope
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
372
204
0.548
petroleum engineering
reservoir engineering
enhanced oil recovery
reservoir simulation
J Richard Wilson
Aarhus University
Aarhus, Denmark
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
351
90
0.256
petrologi
mineralogi
geokemi
DG Pearson
University of Alberta
Edmonton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
346
262
0.757
Geochemistry
igneous petrology
platinum group element geochemistry
Re-Os isotopes
Molecular
Robert M Hazen
Carnegie Institution for Science
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
341
221
0.648
mineralogy
astrobiology
astrochemistry
petrology
Xudong Zhao
Dalian University of Technology
Dalian, China
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
335
299
0.893
Switched systems
Fuzzy systems
Markovian jump systems
Delay systems
Robust control
Xian-Hua Li/李献华
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
326
292
0.896
Geochronology
Geochemistry
Petrology
Chemical geodynamics
Yi-Gang Xu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
309
250
0.809
Igneous petrology/geochemistry
Lithospheric mantle
Large igneous provinces
Big mantle Wedge
Earth's habitability
KS Sorbie
Heriot-Watt University
Edinburgh, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
284
130
0.458
Petroleum engineering
oilfield chemistry
surface science
mineral scale
reservoir engineering
Dong Li（李栋）
Northeast Petroleum University
Daqing, China
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
279
238
0.853
heat transfer
solar energy
optical properties
building
cfd
Andrew Putnis
Curtin University
Bentley, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
272
155
0.570
Mineralogy
Geochemistry
Petrology
Salaheldin Elkatatny
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
267
258
0.966
Artificial Intelligence in Petroleum Engineering
Drilling Engineering
Cementing
Drilling Fluids
Larry Lake
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
265
132
0.498
reservoir engineering
enhanced oil recovery
petroleum engineering
Zhi Yang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
263
233
0.886
Shuichang Zhang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
263
164
0.624
Petroleum Generation
Precambrian Research
Biomarker Geochemistry