Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.
* Total H Index Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
EOR | CO2 Sequestration | Reservoir characterization | Waste management | Petroleum engineerin
EOR | CO2 Sequestration | Reservoir characterization | Waste management | Petroleum engineerin
H-Index Metrics
-
Total47
-
Last 5 Years42
-
Last 5 Years / Total0.894
* Total H Index Rankings
Rankings
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
Ranking Based On Selection:
3
Engineering & Technology / Petroleum Engineering
Reservoir Engineering | Enhanced Oil Recovery | Unconventional Resource
Reservoir Engineering | Enhanced Oil Recovery | Unconventional Resource
H-Index Metrics
-
Total27
-
Last 5 Years27
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
Ranking Based On Selection:
5
Engineering & Technology / Petroleum Engineering
Drillling Fluid | Formation Damage | Shale Problem | Cuttings Transport | Environmental Friendly Mu
Drillling Fluid | Formation Damage | Shale Problem | Cuttings Transport | Environmental Friendly Mu
H-Index Metrics
-
Total23
-
Last 5 Years22
-
Last 5 Years / Total0.957
* Total H Index Rankings
Rankings
Ranking Based On Selection:
6
Engineering & Technology / Petroleum Engineering
Natural Gas System | Metering and Calibrations | NGV | Pipeline Integrity | CFD Turbomachiner
Natural Gas System | Metering and Calibrations | NGV | Pipeline Integrity | CFD Turbomachiner
H-Index Metrics
-
Total23
-
Last 5 Years18
-
Last 5 Years / Total0.783
* Total H Index Rankings
Rankings
Ranking Based On Selection:
7
Engineering & Technology / Petroleum Engineering
membranes | ionic liquid | foam | surfactant | produced wate
membranes | ionic liquid | foam | surfactant | produced wate
H-Index Metrics
-
Total22
-
Last 5 Years20
-
Last 5 Years / Total0.909
* Total H Index Rankings
Rankings
Ranking Based On Selection:
8
Engineering & Technology / Petroleum Engineering
Reservoir engineering | reservoir simulation | enhanced oil recover
Reservoir engineering | reservoir simulation | enhanced oil recover
H-Index Metrics
-
Total22
-
Last 5 Years19
-
Last 5 Years / Total0.864
* Total H Index Rankings
Rankings
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
Ranking Based On Selection:
10
Engineering & Technology / Petroleum Engineering
Drilling Fluids | Geological CO2 Storage | EOR | Deep Eutectic Solvents | Distributed Acoustic Sensin
Drilling Fluids | Geological CO2 Storage | EOR | Deep Eutectic Solvents | Distributed Acoustic Sensin
H-Index Metrics
-
Total17
-
Last 5 Years17
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
11
Engineering & Technology / Petroleum Engineering
IOR/EOR Methods | Reservoir Simulation & Modeling | Reservoir Characterization | Drilling Fluid
IOR/EOR Methods | Reservoir Simulation & Modeling | Reservoir Characterization | Drilling Fluid
H-Index Metrics
-
Total16
-
Last 5 Years15
-
Last 5 Years / Total0.938
* Total H Index Rankings
Rankings
Ranking Based On Selection:
12
Engineering & Technology / Petroleum Engineering
Magnetophoretic Separation of Microalgae | Magnetic Nanoparticles | Biofuel | Carbon Sequestratio
Magnetophoretic Separation of Microalgae | Magnetic Nanoparticles | Biofuel | Carbon Sequestratio
H-Index Metrics
-
Total16
-
Last 5 Years14
-
Last 5 Years / Total0.875
* Total H Index Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Petroleum Engineering
Data-driven | Machine learning | Artificial Intelligence | Nanotechnolog
Data-driven | Machine learning | Artificial Intelligence | Nanotechnolog
H-Index Metrics
-
Total15
-
Last 5 Years15
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Petroleum Engineering
Petroleum Engineering | Enhanced Oil Recovery | Surfactant Adsorption | Streaming Potentia
Petroleum Engineering | Enhanced Oil Recovery | Surfactant Adsorption | Streaming Potentia
H-Index Metrics
-
Total14
-
Last 5 Years12
-
Last 5 Years / Total0.857
* Total H Index Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Petroleum Engineering
Chemical Enhanced oil Recovery | Petroleum Engineering | CO2 capture | utilisation & storag
Chemical Enhanced oil Recovery | Petroleum Engineering | CO2 capture | utilisation & storag
H-Index Metrics
-
Total13
-
Last 5 Years13
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Petroleum Engineering
Petroleum Engineering | Drilling Engineering | Drilling Fluids | Production Engineerin
Petroleum Engineering | Drilling Engineering | Drilling Fluids | Production Engineerin
H-Index Metrics
-
Total12
-
Last 5 Years11
-
Last 5 Years / Total0.917
* Total H Index Rankings
Rankings
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Petroleum Engineering
Chemical Engineering | Oil and Gas Engineering | Reservoir Engineering | EOR | Petroleum Engineerin
Chemical Engineering | Oil and Gas Engineering | Reservoir Engineering | EOR | Petroleum Engineerin
H-Index Metrics
-
Total10
-
Last 5 Years8
-
Last 5 Years / Total0.800
* Total H Index Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Petroleum Engineering
petroleum engineering | flow assurance | sand consolidation | drilling and mu
petroleum engineering | flow assurance | sand consolidation | drilling and mu
H-Index Metrics
-
Total9
-
Last 5 Years9
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Petroleum Engineering
Seismic Interpretation | Structure Geology | Machine Learning
Seismic Interpretation | Structure Geology | Machine Learning
H-Index Metrics
-
Total9
-
Last 5 Years8
-
Last 5 Years / Total0.889
* Total H Index Rankings
Rankings
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
Ranking Based On Selection:
23
Engineering & Technology / Petroleum Engineering
Flow Assurance | Production Engineering | Petroleum Engineerin
Flow Assurance | Production Engineering | Petroleum Engineerin
H-Index Metrics
-
Total6
-
Last 5 Years6
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
24
Engineering & Technology / Petroleum Engineering
Reservoir Engineer | Numerical Modeling & Simulation | CCS | Chemical EOR | Nanotechnolog
Reservoir Engineer | Numerical Modeling & Simulation | CCS | Chemical EOR | Nanotechnolog
H-Index Metrics
-
Total6
-
Last 5 Years6
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
25
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