Rankings for Scientist

University, Subject, Country, Region, World

Schlumberger Ltd. Scientists Rankings 2024

The international independent ranking organisation AD Scientific Index is more than an ordinary "Ranking". The "AD Scientific Index" analyses the academic work of scientists using the H-index, i10 index and number of citations, and provides results that can be used to evaluate the productivity and efficiency of individuals and institutions. In addition to ranking according to "total H-index" for individuals and institutions, you can also see the ranking and analyses according to "last 6 years H-index", "total i10 Productivity index", "last 6 years i10 Productivity index", "total citations" and "last 6 years citations" only in "AD Scientific Index". See also: Subject Rankings, University Subject Rankings and  Universities Rankings 2024 (Sort by: Last 6 years H Index).   Click here for individual or institutional registration.

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Total 359 scientist
Oliver C Mullins
Oliver C Mullins
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Earth Sciences
Reservoir Fluid Geodynamics
Asphaltenes
Yen-Mullins model
GCxGC
Downhole Fluid Analysis
H-Index Rankings
University / Institution:
# 1
Country:
# 7,560
Region:
# 8,274
World:
# 16,968
H-Index
Total:
83
Last 6 Year:
48
Last 6 Year/Total:
0.578
i10 Index
Total:
374
Last 6 Year:
224
Last 6 Year/Total:
0.599
Citation
Total:
29,045
Last 6 Year:
10,384
Last 6 Year/Total:
0.358
Aria Abubakar
Aria Abubakar
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Computer Science
Data Science
Deep Learning
Nonlinear Inversion
Modeling
H-Index Rankings
University / Institution:
# 2
Country:
# 33,308
Region:
# 37,444
World:
# 90,209
H-Index
Total:
47
Last 6 Year:
36
Last 6 Year/Total:
0.766
i10 Index
Total:
167
Last 6 Year:
109
Last 6 Year/Total:
0.653
Citation
Total:
9,471
Last 6 Year:
4,295
Last 6 Year/Total:
0.453
Andrew E Pomerantz
Andrew E Pomerantz
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
Oil and gas
H-Index Rankings
University / Institution:
# 3
Country:
# 33,669
Region:
# 37,863
World:
# 91,477
H-Index
Total:
47
Last 6 Year:
31
Last 6 Year/Total:
0.660
i10 Index
Total:
122
Last 6 Year:
94
Last 6 Year/Total:
0.770
Citation
Total:
7,905
Last 6 Year:
4,307
Last 6 Year/Total:
0.545
Bikash Sinha
Bikash Sinha
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Earth Sciences
quartz crystal
sensors
borehole geophysics
ultrasonics
sonic
H-Index Rankings
University / Institution:
# 4
Country:
# 34,356
Region:
# 38,642
World:
# 93,544
H-Index
Total:
47
Last 6 Year:
20
Last 6 Year/Total:
0.426
i10 Index
Total:
157
Last 6 Year:
69
Last 6 Year/Total:
0.439
Citation
Total:
7,190
Last 6 Year:
1,820
Last 6 Year/Total:
0.253
Fikri Kuchuk
Fikri Kuchuk
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
Reservoir Engineer/Earth Science
H-Index Rankings
University / Institution:
# 5
Country:
# 41,033
Region:
# 46,279
World:
# 115,375
H-Index
Total:
43
Last 6 Year:
20
Last 6 Year/Total:
0.465
i10 Index
Total:
116
Last 6 Year:
47
Last 6 Year/Total:
0.405
Citation
Total:
6,391
Last 6 Year:
1,661
Last 6 Year/Total:
0.260
Arthur Hartog
Arthur Hartog
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
optical fibre sensors
H-Index Rankings
University / Institution:
# 6
Country:
# 44,157
Region:
# 49,821
World:
# 126,146
H-Index
Total:
41
Last 6 Year:
27
Last 6 Year/Total:
0.659
i10 Index
Total:
132
Last 6 Year:
68
Last 6 Year/Total:
0.515
Citation
Total:
7,284
Last 6 Year:
3,519
Last 6 Year/Total:
0.483
TS Ramakrishnan
TS Ramakrishnan
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
H-Index Rankings
University / Institution:
# 7
Country:
# 44,678
Region:
# 50,429
World:
# 127,971
H-Index
Total:
41
Last 6 Year:
22
Last 6 Year/Total:
0.537
i10 Index
Total:
108
Last 6 Year:
53
Last 6 Year/Total:
0.491
Citation
Total:
5,922
Last 6 Year:
1,843
Last 6 Year/Total:
0.311
Martin Hürlimann
Martin Hürlimann
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
H-Index Rankings
University / Institution:
# 8
Country:
# 46,768
Region:
# 52,821
World:
# 135,172
H-Index
Total:
40
Last 6 Year:
22
Last 6 Year/Total:
0.550
i10 Index
Total:
100
Last 6 Year:
57
Last 6 Year/Total:
0.570
Citation
Total:
7,840
Last 6 Year:
2,441
Last 6 Year/Total:
0.311
Julian Youxiang Zuo
Julian Youxiang Zuo
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
Reservoir Fluids
Flow Assurance
Downhole Fluid Analysis
Thermodynamics
H-Index Rankings
University / Institution:
# 9
Country:
# 58,540
Region:
# 66,198
World:
# 176,889
H-Index
Total:
35
Last 6 Year:
24
Last 6 Year/Total:
0.686
i10 Index
Total:
137
Last 6 Year:
85
Last 6 Year/Total:
0.620
Citation
Total:
5,097
Last 6 Year:
2,295
Last 6 Year/Total:
0.450
Jose R. Celaya Galvan|jose celaya Galvan, jose r. celaya, Jose R. Celaya Galvan
Jose R. Celaya Galvan|jose celaya Galvan, jose r. celaya, Jose R. Celaya Galvan
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Computer Science
Artificial Intelligence
Machine Learning
Prognostics
Data Science
H-Index Rankings
University / Institution:
# 10
Country:
# 61,264
Region:
# 69,320
World:
# 186,759
H-Index
Total:
34
Last 6 Year:
25
Last 6 Year/Total:
0.735
i10 Index
Total:
61
Last 6 Year:
43
Last 6 Year/Total:
0.705
Citation
Total:
5,364
Last 6 Year:
2,376
Last 6 Year/Total:
0.443
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Mehmet Parlar
Mehmet Parlar
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Petroleum Engineering
Petroleum Engineering
Flow in Porous Media
Sand Control
Completions
Stimulation
H-Index Rankings
University / Institution:
# 11
Country:
# 62,722
Region:
# 70,965
World:
# 191,867
H-Index
Total:
34
Last 6 Year:
15
Last 6 Year/Total:
0.441
i10 Index
Total:
80
Last 6 Year:
31
Last 6 Year/Total:
0.388
Citation
Total:
3,474
Last 6 Year:
805
Last 6 Year/Total:
0.232
A Ballard Andrews
A Ballard Andrews
Schlumberger Ltd.
Schlumberger Ltd.
United States
Natural Sciences / Physics
Physics
H-Index Rankings
University / Institution:
# 12
Country:
# 72,472
Region:
# 82,038
World:
# 228,049
H-Index
Total:
31
Last 6 Year:
18
Last 6 Year/Total:
0.581
i10 Index
Total:
62
Last 6 Year:
31
Last 6 Year/Total:
0.500
Citation
Total:
4,126
Last 6 Year:
1,527
Last 6 Year/Total:
0.370
Rodney Lessard
Rodney Lessard
Schlumberger Ltd.
Schlumberger Ltd.
United States
Natural Sciences / Physics
quantum computing
H-Index Rankings
University / Institution:
# 13
Country:
# 73,261
Region:
# 82,935
World:
# 230,416
H-Index
Total:
31
Last 6 Year:
10
Last 6 Year/Total:
0.323
i10 Index
Total:
42
Last 6 Year:
11
Last 6 Year/Total:
0.262
Citation
Total:
6,460
Last 6 Year:
566
Last 6 Year/Total:
0.088
Paul R Craddock
Paul R Craddock
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Earth Sciences
Geochemistry
Isotope geochemistry
Organic geochemistry
Carbon Sequestration
Oil & Gas
H-Index Rankings
University / Institution:
# 14
Country:
# 74,146
Region:
# 83,921
World:
# 233,810
H-Index
Total:
30
Last 6 Year:
26
Last 6 Year/Total:
0.867
i10 Index
Total:
42
Last 6 Year:
39
Last 6 Year/Total:
0.929
Citation
Total:
3,748
Last 6 Year:
2,140
Last 6 Year/Total:
0.571
Dean Homan
Dean Homan
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
Tensor Resistivity
Electrical Anisotropy
Unconventional Reservoirs
Induction
Propagations
H-Index Rankings
University / Institution:
# 15
Country:
# 76,477
Region:
# 86,573
World:
# 243,320
H-Index
Total:
30
Last 6 Year:
16
Last 6 Year/Total:
0.533
i10 Index
Total:
57
Last 6 Year:
25
Last 6 Year/Total:
0.439
Citation
Total:
2,580
Last 6 Year:
821
Last 6 Year/Total:
0.318
James Rickett
James Rickett
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Earth Sciences
Geophysics
H-Index Rankings
University / Institution:
# 16
Country:
# 80,423
Region:
# 91,057
World:
# 258,410
H-Index
Total:
29
Last 6 Year:
16
Last 6 Year/Total:
0.552
i10 Index
Total:
49
Last 6 Year:
23
Last 6 Year/Total:
0.469
Citation
Total:
3,802
Last 6 Year:
1,003
Last 6 Year/Total:
0.264
Evgeny Barmatov
Evgeny Barmatov
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
H-Index Rankings
University / Institution:
# 17
Country:
# 80,790
Region:
# 91,458
World:
# 259,628
H-Index
Total:
29
Last 6 Year:
13
Last 6 Year/Total:
0.448
i10 Index
Total:
64
Last 6 Year:
18
Last 6 Year/Total:
0.281
Citation
Total:
2,311
Last 6 Year:
867
Last 6 Year/Total:
0.375
Lalitha Venkataramanan
Lalitha Venkataramanan
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
H-Index Rankings
University / Institution:
# 18
Country:
# 84,349
Region:
# 95,503
World:
# 273,632
H-Index
Total:
28
Last 6 Year:
17
Last 6 Year/Total:
0.607
i10 Index
Total:
46
Last 6 Year:
27
Last 6 Year/Total:
0.587
Citation
Total:
4,504
Last 6 Year:
1,642
Last 6 Year/Total:
0.365
Alireza Zolfaghari
Alireza Zolfaghari
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Metallurgical & Materials Engineering
Material science
Nanomaterials
Electrochemistry
H-Index Rankings
University / Institution:
# 19
Country:
# 84,793
Region:
# 95,997
World:
# 275,260
H-Index
Total:
28
Last 6 Year:
15
Last 6 Year/Total:
0.536
i10 Index
Total:
42
Last 6 Year:
20
Last 6 Year/Total:
0.476
Citation
Total:
2,690
Last 6 Year:
673
Last 6 Year/Total:
0.250
Ed Kragh
Ed Kragh
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Earth Sciences
Geophysics
Data Analysis/Signal Processing
Fibre-optics
Production
Drilling
H-Index Rankings
University / Institution:
# 20
Country:
# 84,864
Region:
# 96,076
World:
# 275,456
H-Index
Total:
28
Last 6 Year:
14
Last 6 Year/Total:
0.500
i10 Index
Total:
68
Last 6 Year:
28
Last 6 Year/Total:
0.412
Citation
Total:
2,970
Last 6 Year:
947
Last 6 Year/Total:
0.319
Farshid Mostowfi
Farshid Mostowfi
Schlumberger Ltd.
Schlumberger Ltd.
United States
Others
Microfluidics
Reservoir fluids
Colloids and interface science
Automation
AI/ML
H-Index Rankings
University / Institution:
# 21
Country:
# 87,315
Region:
# 98,866
World:
# 284,953
H-Index
Total:
27
Last 6 Year:
21
Last 6 Year/Total:
0.778
i10 Index
Total:
47
Last 6 Year:
34
Last 6 Year/Total:
0.723
Citation
Total:
3,110
Last 6 Year:
1,831
Last 6 Year/Total:
0.589
Claudio Strobbia
Claudio Strobbia
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Earth Sciences
geophysics
H-Index Rankings
University / Institution:
# 22
Country:
# 88,359
Region:
# 100,041
World:
# 289,291
H-Index
Total:
27
Last 6 Year:
18
Last 6 Year/Total:
0.667
i10 Index
Total:
51
Last 6 Year:
30
Last 6 Year/Total:
0.588
Citation
Total:
3,483
Last 6 Year:
1,431
Last 6 Year/Total:
0.411
Romain Prioul
Romain Prioul
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Earth Sciences
Geophysics
Geomechanics
Petrophysics
H-Index Rankings
University / Institution:
# 23
Country:
# 91,679
Region:
# 103,775
World:
# 301,822
H-Index
Total:
26
Last 6 Year:
21
Last 6 Year/Total:
0.808
i10 Index
Total:
57
Last 6 Year:
39
Last 6 Year/Total:
0.684
Citation
Total:
2,615
Last 6 Year:
1,457
Last 6 Year/Total:
0.557
Murtaza Ziauddin
Murtaza Ziauddin
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Industrial & Manufacturing Engineering
Matrix stimulation
flow assurance
production engineering
oilfield scale
H-Index Rankings
University / Institution:
# 24
Country:
# 93,378
Region:
# 105,708
World:
# 308,853
H-Index
Total:
26
Last 6 Year:
17
Last 6 Year/Total:
0.654
i10 Index
Total:
52
Last 6 Year:
34
Last 6 Year/Total:
0.654
Citation
Total:
2,574
Last 6 Year:
1,122
Last 6 Year/Total:
0.436
Indranil Roychoudhury
Indranil Roychoudhury
Schlumberger Ltd.
Schlumberger Ltd.
United States
Engineering & Technology / Computer Science
H-Index Rankings
University / Institution:
# 25
Country:
# 93,668
Region:
# 106,044
World:
# 310,159
H-Index
Total:
26
Last 6 Year:
16
Last 6 Year/Total:
0.615
i10 Index
Total:
55
Last 6 Year:
29
Last 6 Year/Total:
0.527
Citation
Total:
2,190
Last 6 Year:
960
Last 6 Year/Total:
0.438
AD Scientific Index - World Scientists Rankings - 2024 H INDEX i10 INDEX CITATION
University /
Institution 		Country Region World Name Country University / Institution Subject Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total
1 7,560 8,274 16,968
Oliver C MullinsOliver C Mullins
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Earth Sciences

Reservoir Fluid Geodynamics | Asphaltenes | Yen-Mullins model | GCxGC | Downhole Fluid Analysis |

83 48 0.578 374 224 0.599 29,045 10,384 0.358
2 33,308 37,444 90,209
Aria AbubakarAria Abubakar
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Computer Science

Data Science | Deep Learning | Nonlinear Inversion | Modeling |

47 36 0.766 167 109 0.653 9,471 4,295 0.453
3 33,669 37,863 91,477
Andrew E PomerantzAndrew E Pomerantz
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

Oil and gas |

47 31 0.660 122 94 0.770 7,905 4,307 0.545
4 34,356 38,642 93,544
Bikash SinhaBikash Sinha
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Earth Sciences

quartz crystal | sensors | borehole geophysics | ultrasonics | sonic |

47 20 0.426 157 69 0.439 7,190 1,820 0.253
5 41,033 46,279 115,375
Fikri KuchukFikri Kuchuk
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

Reservoir Engineer/Earth Science |

43 20 0.465 116 47 0.405 6,391 1,661 0.260
6 44,157 49,821 126,146
Arthur HartogArthur Hartog
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

optical fibre sensors |

41 27 0.659 132 68 0.515 7,284 3,519 0.483
7 44,678 50,429 127,971
TS RamakrishnanTS Ramakrishnan
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

41 22 0.537 108 53 0.491 5,922 1,843 0.311
8 46,768 52,821 135,172
Martin HürlimannMartin Hürlimann
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

40 22 0.550 100 57 0.570 7,840 2,441 0.311
9 58,540 66,198 176,889
Julian Youxiang ZuoJulian Youxiang Zuo
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

Reservoir Fluids | Flow Assurance | Downhole Fluid Analysis | Thermodynamics |

35 24 0.686 137 85 0.620 5,097 2,295 0.450
10 61,264 69,320 186,759
Jose R. Celaya Galvan|jose celaya Galvan, jose r. celaya, Jose R. Celaya GalvanJose R. Celaya Galvan|jose celaya Galvan, jose r. celaya, Jose R. Celaya Galvan
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Computer Science

Artificial Intelligence | Machine Learning | Prognostics | Data Science |

34 25 0.735 61 43 0.705 5,364 2,376 0.443
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11 62,722 70,965 191,867
Mehmet ParlarMehmet Parlar
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Petroleum Engineering

Petroleum Engineering | Flow in Porous Media | Sand Control | Completions | Stimulation |

34 15 0.441 80 31 0.388 3,474 805 0.232
12 72,472 82,038 228,049
A Ballard AndrewsA Ballard Andrews
United States United States Schlumberger Ltd. Schlumberger Ltd. Natural Sciences / Physics

Physics |

31 18 0.581 62 31 0.500 4,126 1,527 0.370
13 73,261 82,935 230,416
Rodney LessardRodney Lessard
United States United States Schlumberger Ltd. Schlumberger Ltd. Natural Sciences / Physics

quantum computing |

31 10 0.323 42 11 0.262 6,460 566 0.088
14 74,146 83,921 233,810
Paul R CraddockPaul R Craddock
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Earth Sciences

Geochemistry | Isotope geochemistry | Organic geochemistry | Carbon Sequestration | Oil & Gas |

30 26 0.867 42 39 0.929 3,748 2,140 0.571
15 76,477 86,573 243,320
Dean HomanDean Homan
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

Tensor Resistivity | Electrical Anisotropy | Unconventional Reservoirs | Induction | Propagations |

30 16 0.533 57 25 0.439 2,580 821 0.318
16 80,423 91,057 258,410
James RickettJames Rickett
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Earth Sciences

Geophysics |

29 16 0.552 49 23 0.469 3,802 1,003 0.264
17 80,790 91,458 259,628
Evgeny BarmatovEvgeny Barmatov
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

29 13 0.448 64 18 0.281 2,311 867 0.375
18 84,349 95,503 273,632
Lalitha VenkataramananLalitha Venkataramanan
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

28 17 0.607 46 27 0.587 4,504 1,642 0.365
19 84,793 95,997 275,260
Alireza ZolfaghariAlireza Zolfaghari
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Metallurgical & Materials Engineering

Material science | Nanomaterials | Electrochemistry |

28 15 0.536 42 20 0.476 2,690 673 0.250
20 84,864 96,076 275,456
Ed KraghEd Kragh
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Earth Sciences

Geophysics | Data Analysis/Signal Processing | Fibre-optics | Production | Drilling |

28 14 0.500 68 28 0.412 2,970 947 0.319
21 87,315 98,866 284,953
Farshid MostowfiFarshid Mostowfi
United States United States Schlumberger Ltd. Schlumberger Ltd. Others

Microfluidics | Reservoir fluids | Colloids and interface science | Automation | AI/ML |

27 21 0.778 47 34 0.723 3,110 1,831 0.589
22 88,359 100,041 289,291
Claudio StrobbiaClaudio Strobbia
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Earth Sciences

geophysics |

27 18 0.667 51 30 0.588 3,483 1,431 0.411
23 91,679 103,775 301,822
Romain PrioulRomain Prioul
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Earth Sciences

Geophysics | Geomechanics | Petrophysics |

26 21 0.808 57 39 0.684 2,615 1,457 0.557
24 93,378 105,708 308,853
Murtaza ZiauddinMurtaza Ziauddin
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Industrial & Manufacturing Engineering

Matrix stimulation | flow assurance | production engineering | oilfield scale |

26 17 0.654 52 34 0.654 2,574 1,122 0.436
25 93,668 106,044 310,159
Indranil RoychoudhuryIndranil Roychoudhury
United States United States Schlumberger Ltd. Schlumberger Ltd. Engineering & Technology / Computer Science

26 16 0.615 55 29 0.527 2,190 960 0.438