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Company · Mexico City · Mexico

Pemex (Mexico)

In research, Pemex (Mexico) stands highest in Medicine (#9,075 of 10,443 worldwide), Health Sciences (#10,753 of 11,982 worldwide) and Physical Sciences (#12,852 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery — Surgery is 6.6× its share of world research.

pemex.com/Paginas/default.aspxROR OpenAlex
World rank, 2022–2025
#24,285
of 28,054 · #24,864 all time
Rank in Mexico
#187
of 252
Research works
1.9k
▼ 22% vs 2013–17
Citations
9.1k
4.8 per fractional work
Top-10% rate
2.0%
record average 16.5%
Open access
28%
world 28%

What is Pemex (Mexico) known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #9,075 of 10,443 1.5%133 #12615
Health SciencesDomain #10,753 of 11,982 1.5%143 #14810
Physical SciencesDomain #12,852 of 12,888 3.0%65 #16471

Each strip is that field’s whole ranked pool, with the notch where Pemex (Mexico) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#12,615 #9,075
  2. Health Sciences#14,810 #10,753
  3. Physical Sciences#16,471 #12,852
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Pemex (Mexico) specialise in?

Where its research is concentrated relative to its size: Surgery takes 6.6× the share of its output that it takes of world research.

  1. SurgerySubfield · 41.3 works6.6×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.44× its world share, 6 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.82× its world share, 12 worksBiochemistry, Geneti…Immunology and Microbiology: 0.69× its world share, 2 worksImmunology and Micro…Neuroscience: 0.82× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.21× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.18× its world share, 0 worksChemical EngineeringChemistry: 0.28× its world share, 1 worksChemistryComputer Science: 0.23× its world share, 5 worksComputer ScienceEarth and Planetary Sciences: 3.49× its world share, 15 worksEarth and Planetary …Energy: 0.22× its world share, 0 worksEnergyEngineering: 0.80× its world share, 32 worksEngineeringEnvironmental Science: 0.64× its world share, 8 worksEnvironmental ScienceMaterials Science: 0.15× its world share, 1 worksMaterials ScienceMathematics: 0.19× its world share, 1 worksMathematicsPhysics and Astronomy: 0.16× its world share, 1 worksPhysics and AstronomyDentistry: 1.28× its world share, 2 worksDentistryHealth Professions: 1.12× its world share, 8 worksHealth ProfessionsMedicine: 2.57× its world share, 133 worksMedicineNursing: 0.06× its world share, 0 worksNursingVeterinary: 1.83× its world share, 1 worksVeterinaryArts and Humanities: 0.60× its world share, 5 worksArts and HumanitiesBusiness, Management and Accounting: 0.35× its world share, 3 worksBusiness, Management…Decision Sciences: 0.03× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.81× its world share, 5 worksEconomics, Econometr…Psychology: 0.48× its world share, 4 worksPsychologySocial Sciences: 0.62× its world share, 21 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 3.5×. Every wedge is a field page.

Who are the top researchers at Pemex (Mexico)?

Ranked on the composite score, Manuel Barrios Aguilera, Rafael García Pérez and Hermann Ley lead among researchers whose main affiliation is Pemex (Mexico).

  1. 1 Manuel Barrios Aguilera · #371,319 worldwide 6 citations · 40 works
  2. 2 Rafael García Pérez · #385,311 worldwide 3 citations · 31 works
  3. 3 Hermann Ley · #578,167 worldwide 2 citations · 34 works
  4. 4 César Alejandro Arce-Salinas · #803,625 worldwide 28 citations · 15 works
  5. 5 Gilberto Pardo Gómez · #811,655 worldwide 6 citations · 18 works
  6. 6 Júlio César · #912,179 worldwide 7 citations · 49 works
  7. 7 Fernando Rodríguez · #969,294 worldwide 21 citations · 45 works
  8. 8 David C. Jennette · #1,023,646 worldwide 27 citations · 15 works
  9. 9 Carlos Caballero · #1,060,651 worldwide 2 citations · 16 works
  10. 10 Matt Weber · #1,446,438 worldwide 0 citations · 28 works
All ranked researchers at Pemex (Mexico)

Which keywords describe research at Pemex (Mexico)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Complications, Epidemiology, Treatment, Geophysical Imaging, Full-Waveform Tomography, Seismic Waveform Inversion, Diagnosis and Data Assimilation.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology27▲ 2.5×71 topics
  2. Complications16▲ 12×15 topics
  3. Treatment11▲ 3.5×31 topics
  4. Quality of Life10▲ 2.5×27 topics
  5. Diagnosis10▲ 3.8×27 topics
  6. Inflammation9▲ 1.67×32 topics
  7. Management8▲ 3.9×20 topics
  8. Geophysical Imaging7▲ 51×2 topics
  9. Full-Waveform Tomography7▲ 64×1 topic
  10. Seismic Waveform Inversion7▲ 64×1 topic
  11. Data Assimilation7▲ 16×1 topic
  12. Ensemble Kalman Filter7▲ 25×1 topic
  13. Optimization7▲ 5.5×2 topics
  14. Surgical Management7▲ 6.0×15 topics
  15. Genetic Mutations6▲ 5.6×19 topics
  16. Breast Reconstruction6▲ 38×2 topics
  17. Hydraulic Fracturing6▲ 21×1 topic
  18. Shale Gas Reservoirs6▲ 38×1 topic
  19. Radiotherapy6▲ 5.8×10 topics
  20. CO2 Sequestration5▲ 10.0×3 topics
  21. Guidelines5▲ 4.0×8 topics
  22. Prognostic Factors5▲ 4.2×14 topics
  23. Drilling Fluids5▲ 32×1 topic
  24. Well Integrity5▲ 32×1 topic
  25. Urban Development5▲ 4.7×4 topics
  26. Anatomy4▲ 23×2 topics
  27. Chronic Kidney Disease4▲ 6.4×8 topics
  28. Reconstruction4▲ 8.2×3 topics
  29. Seismic Noise4▲ 29×1 topic
  30. Tomography4▲ 7.8×1 topic
  31. Children4▲ 5.7×6 topics
  32. Clinical Management4▲ 7.6×5 topics
  33. Free Flap3▲ 31×1 topic
  34. Microsurgical Reconstruction3▲ 31×1 topic
  35. Postoperative Complications3▲ 9.7×4 topics
  36. Craniofacial3▲ 55×1 topic
  37. Nasal3▲ 22×1 topic
  38. Pore Structure3▲ 8.6×2 topics
  39. Acellular Dermal Matrix3▲ 52×1 topic
  40. Patient-Reported Outcome Measure3▲ 52×1 topic

Which research topics does Pemex (Mexico) publish most on?

By volume in 2022–2025: Seismic Imaging and Inversion Techniques, Reservoir Engineering and Simulation Methods, Hydraulic Fracturing and Reservoir Analysis and Drilling and Well Engineering.

Seismic Imaging and Inversion Techniques: 7 fractional worksReservoir Engineering and Simulation Methods: 7 fractional worksHydraulic Fracturing and…6Hydraulic Fracturing and Reservoir Analysis: 6 fractional worksDrilling and Well Engine…5Drilling and Well Engineering: 5 fractional worksSeismic Waves and Analysis: 4 fractional worksReconstructive Surgery and Microvascular Techniques: 3 fractional worksReconstructive Facial Su…3Reconstructive Facial Surgery Techniques: 3 fractional worksBreast Implant and Reconstruction: 3 fractional worksHydrocarbon exploration and reservoir analysis: 3 fractional worksHernia repair and management: 3 fractional works
GeophysicsOcean EngineeringMechanical EngineeringSurgery1 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Seismic Imaging and Inversion Techniques Geophysics 7 works
  2. 2 Reservoir Engineering and Simulation Methods Ocean Engineering 7 works
  3. 3 Hydraulic Fracturing and Reservoir Analysis Mechanical Engineering 6 works
  4. 4 Drilling and Well Engineering Ocean Engineering 5 works
  5. 5 Seismic Waves and Analysis Geophysics 4 works
  6. 6 Reconstructive Surgery and Microvascular Techniques Surgery 3 works
  7. 7 Reconstructive Facial Surgery Techniques Surgery 3 works
  8. 8 Breast Implant and Reconstruction Surgery 3 works
  9. 9 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 3 works
  10. 10 Hernia repair and management Surgery 3 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available28.4%not open71.6%

World: 28% of research is openly available.

with international co-authors29.2%domestic only70.8%

World: 19% is written across borders.

How has Pemex (Mexico)'s research output changed?

Output in 2018–2022 was 22% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Mexico City

All research institutions in Mexico City

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.