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Top 100 Scientists

World Top 100 Scientists 2026

The Top 100 scientists are ranked based on total H-index scores at the global, regional, national, and institutional levels. Rankings cover 10 regions, 13 main fields, and 221 subfields. Subject field rankings (at world, region, country, and university levels) are currently in Beta version and updated in near real-time.
Note: Researchers classified as "others" (currently 1,122,060 profiles whose fields are undetermined or unedited) are excluded from subject and regional rankings. These rankings will dynamically evolve as the “others” profiles are reviewed and properly categorized.

* Total H Index Rankings

Rankings

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47,009
World Rank
2,413
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Petroleum Engineering
Petroleum Generation | Precambrian Research | Biomarker Geochemistr

H-Index Metrics

  • H-Index
    63
  • i10 Index
    293
  • Citation Counts
    16,513
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* Total H Index Rankings

Rankings

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310,649
World Rank
16,668
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Petroleum Engineering
Petroleum Geology | Sedimentology | Petroleum Geoscience | Reservoir Engineering | Petroleum Geochemistr

H-Index Metrics

  • H-Index
    28
  • i10 Index
    47
  • Citation Counts
    3,960
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* Total H Index Rankings

Rankings

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408,246
World Rank
21,830
Country Rank
3
University
Ranking Based On Selection:
3
Others
分子筛改性,合成,催化,环境污染治�

H-Index Metrics

  • H-Index
    23
  • i10 Index
    31
  • Citation Counts
    1,940
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* Total H Index Rankings

Rankings

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543,495
World Rank
27,726
Country Rank
4
University
Ranking Based On Selection:
4
Others
有机质生烃、硫酸盐热化学还原作用、同位素、环境催�

H-Index Metrics

  • H-Index
    19
  • i10 Index
    23
  • Citation Counts
    1,495
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* Total H Index Rankings

Rankings

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783,623
World Rank
38,298
Country Rank
5
University
Ranking Based On Selection:
5
Others
Reservoir Simulation | Waterflooding Optimization | Low Pereability Reservoir | EOR | NF

H-Index Metrics

  • H-Index
    13
  • i10 Index
    16
  • Citation Counts
    580
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* Total H Index Rankings

Rankings

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791,420
World Rank
38,648
Country Rank
6
University
Ranking Based On Selection:
6
Others
地质 致密气开�

H-Index Metrics

  • H-Index
    13
  • i10 Index
    20
  • Citation Counts
    570
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* Total H Index Rankings

Rankings

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908,066
World Rank
43,520
Country Rank
7
University
Ranking Based On Selection:
7
Others
sCO2 power system | IGFC,SOFC | SOE

H-Index Metrics

  • H-Index
    11
  • i10 Index
    11
  • Citation Counts
    456
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* Total H Index Rankings

Rankings

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988,349
World Rank
46,954
Country Rank
8
University
Ranking Based On Selection:
8
Engineering & Technology / Computer Science
Deep-Learning | Pressure Transient Analysis | Rate Transient Analysis | Decline Curve Analysis | Production Forecast

H-Index Metrics

  • H-Index
    10
  • i10 Index
    10
  • Citation Counts
    302
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* Total H Index Rankings

Rankings

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1,072,315
World Rank
50,254
Country Rank
9
University
Ranking Based On Selection:
9
Engineering & Technology / Earth Sciences
Gas hydrates | seismic inversion | rock physics | CSEM | well-log interpretatio

H-Index Metrics

  • H-Index
    9
  • i10 Index
    9
  • Citation Counts
    236
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* Total H Index Rankings

Rankings

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1,297,132
World Rank
59,703
Country Rank
10
University
Ranking Based On Selection:
10
Engineering & Technology / Earth Sciences
Organic geochemistry | Machine learning | Petroleum geology | Paleoclimatolog

H-Index Metrics

  • H-Index
    7
  • i10 Index
    6
  • Citation Counts
    236
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* Total H Index Rankings

Rankings

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1,457,002
World Rank
66,540
Country Rank
11
University
Ranking Based On Selection:
11
Engineering & Technology / Petroleum Engineering
Offshore oilfield development | Reservoir engineering | Machine learnin

H-Index Metrics

  • H-Index
    6
  • i10 Index
    4
  • Citation Counts
    282
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* Total H Index Rankings

Rankings

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1,555,929
World Rank
69,446
Country Rank
12
University
Ranking Based On Selection:
12
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