See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
element partitioning | planetary accretion | volcanic gases | experimental petrolog
element partitioning | planetary accretion | volcanic gases | experimental petrolog
Citation Metrics
-
Total33,385
-
Last 5 Years8,182
-
Last 5 Years / Total0.245
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
2
Engineering & Technology / Petroleum Engineering
Petroleum engineering | oilfield chemistry | surface science | mineral scale | reservoir engineerin
Petroleum engineering | oilfield chemistry | surface science | mineral scale | reservoir engineerin
Citation Metrics
-
Total18,702
-
Last 5 Years5,827
-
Last 5 Years / Total0.312
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
3
Citation Metrics
-
Total16,011
-
Last 5 Years7,610
-
Last 5 Years / Total0.475
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
4
Citation Metrics
-
Total9,082
-
Last 5 Years4,979
-
Last 5 Years / Total0.548
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
5
Citation Metrics
-
Total8,244
-
Last 5 Years1,738
-
Last 5 Years / Total0.211
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
6
Citation Metrics
-
Total6,321
-
Last 5 Years1,613
-
Last 5 Years / Total0.255
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
7
Engineering & Technology / Petroleum Engineering
Metamorphism | Subduction | Phase equilibria | Archean | Secular chang
Metamorphism | Subduction | Phase equilibria | Archean | Secular chang
Citation Metrics
-
Total5,786
-
Last 5 Years4,822
-
Last 5 Years / Total0.833
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
8
Citation Metrics
-
Total5,009
-
Last 5 Years1,727
-
Last 5 Years / Total0.345
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
9
Citation Metrics
-
Total4,587
-
Last 5 Years2,429
-
Last 5 Years / Total0.530
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
10
Citation Metrics
-
Total2,904
-
Last 5 Years1,576
-
Last 5 Years / Total0.543
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
11
Citation Metrics
-
Total2,841
-
Last 5 Years2,138
-
Last 5 Years / Total0.753
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
12
Citation Metrics
-
Total2,804
-
Last 5 Years1,868
-
Last 5 Years / Total0.666
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Petroleum Engineering
Ultrasound Assisted Improved Oil Recovery | Drilling Engineering Desig
Ultrasound Assisted Improved Oil Recovery | Drilling Engineering Desig
Citation Metrics
-
Total2,714
-
Last 5 Years2,104
-
Last 5 Years / Total0.775
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Petroleum Engineering
Geo-Energy | CCUS | Hydrogen Storage | Waste Management | Advanced EO
Geo-Energy | CCUS | Hydrogen Storage | Waste Management | Advanced EO
Citation Metrics
-
Total2,359
-
Last 5 Years1,699
-
Last 5 Years / Total0.720
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
15
Citation Metrics
-
Total2,231
-
Last 5 Years1,894
-
Last 5 Years / Total0.849
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Petroleum Engineering
Petrology | Experimental Petrology | Volcanology | Geochemistry | Crystallizatio
Petrology | Experimental Petrology | Volcanology | Geochemistry | Crystallizatio
Citation Metrics
-
Total2,166
-
Last 5 Years1,739
-
Last 5 Years / Total0.803
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
17
Engineering & Technology / Petroleum Engineering
Igneous petrology | Geochemistry | Experimental petrology | Volcanolog
Igneous petrology | Geochemistry | Experimental petrology | Volcanolog
Citation Metrics
-
Total2,158
-
Last 5 Years1,714
-
Last 5 Years / Total0.794
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
18
Engineering & Technology / Petroleum Engineering
bioremediation | biomineralization | soil remediation | wastewater treatmen
bioremediation | biomineralization | soil remediation | wastewater treatmen
Citation Metrics
-
Total2,062
-
Last 5 Years1,646
-
Last 5 Years / Total0.798
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Petroleum Engineering
Physics and mathematics of subsurface engineering and processes | Multi-scale multi-physics modellin
Physics and mathematics of subsurface engineering and processes | Multi-scale multi-physics modellin
Citation Metrics
-
Total1,986
-
Last 5 Years1,460
-
Last 5 Years / Total0.735
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Petroleum Engineering
Volcanology | Magmatic processes | Experimental Petrology | Global Catastrophic Ris
Volcanology | Magmatic processes | Experimental Petrology | Global Catastrophic Ris
Citation Metrics
-
Total1,952
-
Last 5 Years1,420
-
Last 5 Years / Total0.727
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
21
Citation Metrics
-
Total1,742
-
Last 5 Years1,188
-
Last 5 Years / Total0.682
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Petroleum Engineering
Geophysics | Seismology | Experimental Petrology | Metamorphism | Geodynamic
Geophysics | Seismology | Experimental Petrology | Metamorphism | Geodynamic
Citation Metrics
-
Total1,735
-
Last 5 Years1,440
-
Last 5 Years / Total0.830
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
23
Citation Metrics
-
Total1,323
-
Last 5 Years979
-
Last 5 Years / Total0.740
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
24
Engineering & Technology / Petroleum Engineering
Scanning Electron Microscopy | Diagenesis | Biomineralization | Ichnolog
Scanning Electron Microscopy | Diagenesis | Biomineralization | Ichnolog
Citation Metrics
-
Total1,058
-
Last 5 Years399
-
Last 5 Years / Total0.377
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
25
Engineering & Technology / Petroleum Engineering
Subsurface Gas Storage (CSS | UHS) - depleted hydrocarbon reservoirs/aquifers | Gas Pipeline transpor
Subsurface Gas Storage (CSS | UHS) - depleted hydrocarbon reservoirs/aquifers | Gas Pipeline transpor
Citation Metrics
-
Total1,014
-
Last 5 Years840
-
Last 5 Years / Total0.828
Unify strategy, analytics, and growth in one powerful platform. Turn academic data into actionable strategy for sustainable excellence.
Track your performance in real time — benchmark, compare, and improve. Stay ahead with instant insights and global peer comparisons.
Attract world-class talent across 211 disciplines. Find, connect, and recruit the brightest minds worldwide.
Unlock researcher and institutional impact with transparent contribution scores. Recognize, measure, and reward academic excellence at every level.
🌍 Be Our Partner: Representation & Collaboration
Represent AD Scientific Index in your country or region — and grow with us.
- ✅ Official recognition as a regional partner
- ✅ Visibility partnership with full brand support
- ✅ Help institutions in your region enhance their academic visibility
- ✅ Contribute to value-driven projects with measurable academic impact