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World Scientist and University Rankings 2026
Engineering & Technology / Petroleum Engineering 2.300 Scientists Subject Rankings (Sort by last 5 years H Index)
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Dec 30, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.699) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Last 5 Years H-Index Rankings
Rankings
4,147
World Rank
348
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
Geochronology | Geochemistry | Petrology | Chemical geodynamic
Geochronology | Geochemistry | Petrology | Chemical geodynamic
Last 5 Years H-Index Metrics
-
H-Index85
-
i10 Index310
-
Citation Counts26,934
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* Last 5 Years H-Index Rankings
Rankings
5,268
World Rank
80
Country Rank
15
University
Ranking Based On Selection:
2
Last 5 Years H-Index Metrics
-
H-Index80
-
i10 Index343
-
Citation Counts22,255
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* Last 5 Years H-Index Rankings
Rankings
5,823
World Rank
531
Country Rank
4
University
Ranking Based On Selection:
3
Engineering & Technology / Petroleum Engineering
Switched systems | Fuzzy systems | Markovian jump systems | Delay systems | Robust contro
Switched systems | Fuzzy systems | Markovian jump systems | Delay systems | Robust contro
Last 5 Years H-Index Metrics
-
H-Index79
-
i10 Index387
-
Citation Counts21,657
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* Last 5 Years H-Index Rankings
Rankings
7,747
World Rank
748
Country Rank
1
University
Ranking Based On Selection:
4
Engineering & Technology / Petroleum Engineering
heat transfer | solar energy | optical properties | building | cf
heat transfer | solar energy | optical properties | building | cf
Last 5 Years H-Index Metrics
-
H-Index73
-
i10 Index595
-
Citation Counts26,470
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* Last 5 Years H-Index Rankings
Rankings
9,281
World Rank
915
Country Rank
4
University
Ranking Based On Selection:
5
Engineering & Technology / Petroleum Engineering
Igneous petrology/geochemistry | Lithospheric mantle | Large igneous provinces | Big mantle Wedge | Earth's habitabilit
Igneous petrology/geochemistry | Lithospheric mantle | Large igneous provinces | Big mantle Wedge | Earth's habitabilit
Last 5 Years H-Index Metrics
-
H-Index69
-
i10 Index278
-
Citation Counts17,360
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* Last 5 Years H-Index Rankings
Rankings
9,354
World Rank
927
Country Rank
1
University
Ranking Based On Selection:
6
Last 5 Years H-Index Metrics
-
H-Index69
-
i10 Index225
-
Citation Counts14,944
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* Last 5 Years H-Index Rankings
Rankings
10,837
World Rank
503
Country Rank
2
University
Ranking Based On Selection:
7
Last 5 Years H-Index Metrics
-
H-Index66
-
i10 Index356
-
Citation Counts18,309
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* Last 5 Years H-Index Rankings
Rankings
12,773
World Rank
596
Country Rank
9
University
Ranking Based On Selection:
8
Engineering & Technology / Petroleum Engineering
Geochronology | Isotope Geochemistry | LA-ICP-MS | Laser ablation ICP-MS | Petrolog
Geochronology | Isotope Geochemistry | LA-ICP-MS | Laser ablation ICP-MS | Petrolog
Last 5 Years H-Index Metrics
-
H-Index63
-
i10 Index345
-
Citation Counts19,419
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* Last 5 Years H-Index Rankings
Rankings
13,977
World Rank
1,412
Country Rank
7
University
Ranking Based On Selection:
9
Last 5 Years H-Index Metrics
-
H-Index62
-
i10 Index174
-
Citation Counts13,982
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* Last 5 Years H-Index Rankings
Rankings
15,373
World Rank
1,546
Country Rank
47
University
Ranking Based On Selection:
10
Engineering & Technology / Petroleum Engineering
Micro-nano-mechanics | Materials design | Nanofluidic | Molecular dynamics simulation | Petroleum engineerin
Micro-nano-mechanics | Materials design | Nanofluidic | Molecular dynamics simulation | Petroleum engineerin
Last 5 Years H-Index Metrics
-
H-Index60
-
i10 Index227
-
Citation Counts17,058
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* Last 5 Years H-Index Rankings
Rankings
15,475
World Rank
5,481
Country Rank
10
University
Ranking Based On Selection:
11
Engineering & Technology / Petroleum Engineering
coal petrology | fly ash petrology | coal geochemistry | coal maceral origin
coal petrology | fly ash petrology | coal geochemistry | coal maceral origin
Last 5 Years H-Index Metrics
-
H-Index60
-
i10 Index313
-
Citation Counts15,603
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* Last 5 Years H-Index Rankings
Rankings
16,294
World Rank
112
Country Rank
7
University
Ranking Based On Selection:
12
Last 5 Years H-Index Metrics
-
H-Index59
-
i10 Index448
-
Citation Counts17,510
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* Last 5 Years H-Index Rankings
Rankings
16,491
World Rank
1,672
Country Rank
52
University
Ranking Based On Selection:
13
Last 5 Years H-Index Metrics
-
H-Index59
-
i10 Index343
-
Citation Counts15,174
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* Last 5 Years H-Index Rankings
Rankings
17,482
World Rank
6,159
Country Rank
62
University
Ranking Based On Selection:
14
Engineering & Technology / Petroleum Engineering
petroleum engineering | hydraulic fracturing | formation damage | water injection | production engineerin
petroleum engineering | hydraulic fracturing | formation damage | water injection | production engineerin
Last 5 Years H-Index Metrics
-
H-Index58
-
i10 Index402
-
Citation Counts15,461
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* Last 5 Years H-Index Rankings
Rankings
17,885
World Rank
6,304
Country Rank
8
University
Ranking Based On Selection:
15
Engineering & Technology / Petroleum Engineering
mineralogy | astrobiology | astrochemistry | petrolog
mineralogy | astrobiology | astrochemistry | petrolog
Last 5 Years H-Index Metrics
-
H-Index58
-
i10 Index242
-
Citation Counts12,269
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* Last 5 Years H-Index Rankings
Rankings
18,911
World Rank
729
Country Rank
49
University
Ranking Based On Selection:
16
Engineering & Technology / Petroleum Engineering
Isotope Geochemistry | Re-Os isotopes | Mantle Petrolog
Isotope Geochemistry | Re-Os isotopes | Mantle Petrolog
Last 5 Years H-Index Metrics
-
H-Index57
-
i10 Index290
-
Citation Counts12,906
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* Last 5 Years H-Index Rankings
Rankings
20,364
World Rank
2,070
Country Rank
2
University
Ranking Based On Selection:
17
Last 5 Years H-Index Metrics
-
H-Index56
-
i10 Index214
-
Citation Counts11,660
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* Last 5 Years H-Index Rankings
Rankings
20,673
World Rank
1,094
Country Rank
47
University
Ranking Based On Selection:
18
Engineering & Technology / Petroleum Engineering
Flow in Porous Media | Mining Engineering | Petroleum Engineerin
Flow in Porous Media | Mining Engineering | Petroleum Engineerin
Last 5 Years H-Index Metrics
-
H-Index56
-
i10 Index158
-
Citation Counts9,115
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* Last 5 Years H-Index Rankings
Rankings
20,691
World Rank
1,097
Country Rank
25
University
Ranking Based On Selection:
19
Last 5 Years H-Index Metrics
-
H-Index56
-
i10 Index125
-
Citation Counts8,627
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* Last 5 Years H-Index Rankings
Rankings
21,242
World Rank
7,432
Country Rank
72
University
Ranking Based On Selection:
20
Last 5 Years H-Index Metrics
-
H-Index55
-
i10 Index313
-
Citation Counts13,838
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* Last 5 Years H-Index Rankings
Rankings
21,968
World Rank
173
Country Rank
5
University
Ranking Based On Selection:
21
Engineering & Technology / Petroleum Engineering
Enhanced Oil Recovery | Flow in Porous Media | Nano and Bio Technologies in Oil and Gas Industrie
Enhanced Oil Recovery | Flow in Porous Media | Nano and Bio Technologies in Oil and Gas Industrie
Last 5 Years H-Index Metrics
-
H-Index55
-
i10 Index215
-
Citation Counts9,749
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* Last 5 Years H-Index Rankings
Rankings
23,946
World Rank
8,316
Country Rank
22
University
Ranking Based On Selection:
22
Last 5 Years H-Index Metrics
-
H-Index53
-
i10 Index312
-
Citation Counts15,666
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* Last 5 Years H-Index Rankings
Rankings
24,558
World Rank
173
Country Rank
12
University
Ranking Based On Selection:
23
Engineering & Technology / Petroleum Engineering
Artificial Intelligence in Petroleum Engineering | Drilling Engineering | Cementing | Drilling Fluid
Artificial Intelligence in Petroleum Engineering | Drilling Engineering | Cementing | Drilling Fluid
Last 5 Years H-Index Metrics
-
H-Index53
-
i10 Index309
-
Citation Counts11,387
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* Last 5 Years H-Index Rankings
Rankings
26,815
World Rank
2,705
Country Rank
4
University
Ranking Based On Selection:
24
Engineering & Technology / Petroleum Engineering
Self-cleaning surfaces | Reversible adhesion | Biomimetics | Petroleum scienc
Self-cleaning surfaces | Reversible adhesion | Biomimetics | Petroleum scienc
Last 5 Years H-Index Metrics
-
H-Index52
-
i10 Index135
-
Citation Counts9,146
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* Last 5 Years H-Index Rankings
Rankings
28,504
World Rank
9,872
Country Rank
256
University
Ranking Based On Selection:
25
Engineering & Technology / Petroleum Engineering
Igneous petrology | Experimental Petrology | Geochemistry | Mineralog
Igneous petrology | Experimental Petrology | Geochemistry | Mineralog
Last 5 Years H-Index Metrics
-
H-Index53
-
i10 Index159
-
Citation Counts9,602
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