Login
Pricing & Plans
Citation Rankings
Smart Institutional Excellence Plan
Citation Rankings
Highly Cited Researchers
Engineering & Technology / Petroleum Engineering Highly Cited Researchers 8 Scientists Citation in Yemen Rankings - 2026
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
224,179
World Rank
13
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
Petroleum system analysis | Basin Modeling | Petroleum Geochemistry | Petroleum Reservoir Rocks | Coa
Petroleum system analysis | Basin Modeling | Petroleum Geochemistry | Petroleum Reservoir Rocks | Coa
Citation Metrics
-
Total5,248
-
Last 5 Years3,753
-
Last 5 Years / Total0.715
Get Full Access to
Premium Data
* Total Citation Counts Rankings
Rankings
613,111
World Rank
59
Country Rank
23
University
Ranking Based On Selection:
2
Engineering & Technology / Petroleum Engineering
Structural Geology and Tectonics | Remote Sensing and GIS | Environmental Geolog
Structural Geology and Tectonics | Remote Sensing and GIS | Environmental Geolog
Citation Metrics
-
Total1,424
-
Last 5 Years595
-
Last 5 Years / Total0.418
Get Full Access to
Premium Data
* Total Citation Counts Rankings
Rankings
895,500
World Rank
139
Country Rank
5
University
Ranking Based On Selection:
3
Citation Metrics
-
Total662
-
Last 5 Years352
-
Last 5 Years / Total0.532
Get Full Access to
Premium Data
* Total Citation Counts Rankings
Rankings
1,078,108
World Rank
210
Country Rank
7
University
Ranking Based On Selection:
4
Engineering & Technology / Petroleum Engineering
drilling fluids | hole cleaning | multi-phase flow | well-bore hydraulics | drilling waste managemen
drilling fluids | hole cleaning | multi-phase flow | well-bore hydraulics | drilling waste managemen
Citation Metrics
-
Total431
-
Last 5 Years224
-
Last 5 Years / Total0.520
Get Full Access to
Premium Data
* Total Citation Counts Rankings
Rankings
1,336,462
World Rank
346
Country Rank
17
University
Ranking Based On Selection:
5
Citation Metrics
-
Total248
-
Last 5 Years221
-
Last 5 Years / Total0.891
Get Full Access to
Premium Data
* Total Citation Counts Rankings
Rankings
1,352,569
World Rank
356
Country Rank
103
University
Ranking Based On Selection:
6
Citation Metrics
-
Total241
-
Last 5 Years62
-
Last 5 Years / Total0.257
Get Full Access to
Premium Data
* Total Citation Counts Rankings
Rankings
1,523,768
World Rank
446
Country Rank
134
University
Ranking Based On Selection:
7
Engineering & Technology / Petroleum Engineering
Petroleum Geoscience | Basin Analysis | Sequence Stratigraph
Petroleum Geoscience | Basin Analysis | Sequence Stratigraph
Citation Metrics
-
Total175
-
Last 5 Years128
-
Last 5 Years / Total0.731
Get Full Access to
Premium Data
* Total Citation Counts Rankings
Rankings
1,649,096
World Rank
516
Country Rank
31
University
Ranking Based On Selection:
8
Engineering & Technology / Petroleum Engineering
Properties of Reservoir Fluids | Rocks and reservoir characterization | Well testing | Surface production operation | Artificial intelligence and machine learning in petroleum engineerin
Properties of Reservoir Fluids | Rocks and reservoir characterization | Well testing | Surface production operation | Artificial intelligence and machine learning in petroleum engineerin
Citation Metrics
-
Total138
-
Last 5 Years134
-
Last 5 Years / Total0.971
Get Full Access to
Premium Data
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.
Ensuring quality standards and accreditation compliance in higher education.
Advancing global partnerships, mobility, and international visibility.
🌍 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
Limited Opportunities Available
