Researchers at Repsol (Spain)

1. 1Jesus A. DelgadoSpain · #1,736,873 worldwide1.1k citations · 31 works
2. 2Antonio PáezSpain · #2,079,387 worldwide1k citations · 15 works
3. 3Wilber HermozaSpain · #2,305,155 worldwide884 citations · 30 works
4. 4Juan Miguel Jiménez-MateosSpain · #2,554,270 worldwide1.4k citations · 27 works
5. 5Daniel Merino-GarcíaSpain · #2,554,636 worldwide1k citations · 44 works
6. 6Martí Cortada-GarcíaSpain · #2,667,725 worldwide749 citations · 17 works
7. 7Qunshan ZhangSpain · #2,826,002 worldwide558 citations · 20 works
8. 8Keith MartinSpain · #2,827,760 worldwide1.1k citations · 61 works
9. 9Tomás ZapataSpain · #2,855,470 worldwide1.1k citations · 37 works
10. 10Fermín OlivaSpain · #2,869,084 worldwide872 citations · 31 works
11. 11Gino Di LulloSpain · #2,952,896 worldwide590 citations · 35 works
12. 12Francisco PángaroSpain · #3,149,405 worldwide583 citations · 15 works
13. 13C. Gómez de SalazarSpain · #3,180,915 worldwide580 citations · 19 works
14. 14Mookanahallipatna Ramasesha LakshmikanthaSpain · #3,515,650 worldwide601 citations · 43 works
15. 15José SanchoSpain · #3,589,084 worldwide596 citations · 17 works
16. 16Eduardo García MorenoSpain · #3,703,681 worldwide195 citations · 15 works
17. 17Henry S. PettingillSpain · #3,706,386 worldwide656 citations · 35 works
18. 18M. Dolores ParelladaSpain · #3,740,470 worldwide467 citations · 18 works
19. 19H. J. WelsinkSpain · #3,744,826 worldwide1.5k citations · 23 works
20. 20Javier ArizteguiSpain · #3,840,115 worldwide271 citations · 15 works
21. 21Lorenzo CasconeSpain · #3,907,858 worldwide278 citations · 28 works
22. 22Joan F. FlinchSpain · #3,987,844 worldwide563 citations · 36 works
23. 23Victoria MarcosSpain · #4,206,823 worldwide294 citations · 18 works
24. 24Giorgio de PaolaSpain · #4,257,313 worldwide341 citations · 22 works
25. 25Juan A. DelgadoSpain · #4,369,707 worldwide369 citations · 19 works
26. 26A. PoloSpain · #4,402,682 worldwide90 citations · 23 works
27. 27Gonzalo ZamoraSpain · #4,645,446 worldwide787 citations · 65 works
28. 28Juan Pedro Montávez GómezSpain · #4,665,478 worldwide1k citations · 37 works
29. 29Constantinos TzimeasSpain · #4,693,243 worldwide87 citations · 16 works
30. 30Wenceslao Martínez del OlmoSpain · #4,721,087 worldwide392 citations · 58 works
31. 31M.Á. CajaSpain · #4,875,980 worldwide780 citations · 61 works
32. 32Elizabeth Eisner RedingSpain · #4,876,996 worldwide11 citations · 52 works
33. 33Enrique EspíSpain · #5,040,275 worldwide978 citations · 43 works
34. 34Roger BaudinoSpain · #5,066,254 worldwide256 citations · 20 works
35. 35Ana Cabrera LafuenteSpain · #5,098,050 worldwide51 citations · 49 works
36. 36Jean Paul GérardSpain · #5,155,010 worldwide229 citations · 26 works
37. 37Marta Dueñas-DíezSpain · #5,259,405 worldwide231 citations · 25 works
38. 38Gabriel Soares BassaniSpain · #5,489,697 worldwide141 citations · 21 works
39. 39Marius TilitaSpain · #5,538,338 worldwide155 citations · 17 works
40. 40Jorge R. SánchezSpain · #5,615,772 worldwide142 citations · 23 works
41. 41María del Carmen Ayora EstebanSpain · #5,615,971 worldwide627 citations · 41 works
42. 42A. FontechaSpain · #5,647,012 worldwide552 citations · 17 works
43. 43Michelle EllisSpain · #5,786,427 worldwide237 citations · 66 works
44. 44Rubén Rodríguez TorradoSpain · #6,174,193 worldwide278 citations · 21 works
45. 45Rafael Antonio ToccoSpain · #6,207,788 worldwide235 citations · 29 works
46. 46Marcelo BenabentosSpain · #6,383,008 worldwide101 citations · 23 works
47. 47José Marcos Afonso CasadoSpain · #6,478,803 worldwide7 citations · 18 works
48. 48Allan E. KeanSpain · #6,517,627 worldwide34 citations · 15 works
49. 49Massimiliano MasiniSpain · #6,532,523 worldwide108 citations · 22 works
50. 50Neil David McDougallSpain · #6,628,374 worldwide238 citations · 19 works
51. 51Laurent FontanelliSpain · #6,659,409 worldwide37 citations · 17 works
52. 51M.F. Leon CarreraSpain · #6,659,409 worldwide15 citations · 17 works
53. 53R. C. Bezerra de MeloSpain · #6,759,039 worldwide90 citations · 15 works
54. 54J.M. González MuñozSpain · #6,797,869 worldwide7 citations · 17 works
55. 55Elena EscobarSpain · #6,878,996 worldwide134 citations · 18 works
56. 56Hilario Martin RodriguezSpain · #6,905,176 worldwide92 citations · 19 works
57. 57Fernando D PerinSpain · #6,950,864 worldwide42 citations · 19 works
58. 58Ivan YemezSpain · #6,983,988 worldwide111 citations · 18 works
59. 58Jorge ReverónSpain · #6,983,988 worldwide43 citations · 18 works
60. 60Hugo MatíasSpain · #7,022,995 worldwide365 citations · 38 works
61. 61Leonildes Soares De Melo FilhoSpain · #7,076,522 worldwide14 citations · 24 works
62. 61T. HarroldSpain · #7,076,522 worldwide36 citations · 24 works
63. 63Rae PhilSpain · #7,093,093 worldwide78 citations · 20 works
64. 63Jose M. SeguraSpain · #7,093,093 worldwide73 citations · 20 works
65. 65T. Aït-EttajerSpain · #7,119,709 worldwide31 citations · 22 works
66. 65V. A. HuertaSpain · #7,119,709 worldwide62 citations · 22 works
67. 67Dino RisiSpain · #7,148,456 worldwide0 citations · 24 works
68. 68Mohamed Hussein HegazySpain · #7,272,971 worldwide216 citations · 49 works
69. 69José María González JiménezSpain · #7,286,002 worldwide13 citations · 36 works
70. 70Antonio José Olaiz CamposSpain · #7,311,127 worldwide96 citations · 50 works
71. 71José María González MuñozSpain · #7,531,534 worldwide7 citations · 41 works
72. 72Francisco OrtigosaSpain · #7,579,806 worldwide79 citations · 48 works
73. 73Pedro Antonio Merino GarcíaSpain · #7,650,165 worldwide4 citations · 62 works

Ranked on quality: the share of their papers in the world top 10% for their field and year, with output counting too. Affiliation is the institution a researcher publishes from most; identities come from OpenAlex author disambiguation.