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Company · Houston · ??

APA Corporation (United States)

apacorp.comROR OpenAlex
Research works
116
▼ 7% vs 2013–17
Citations
2.2k
19.3 per fractional work
Top-10% rate
24.6%
record average 16.5%
Open access
7%
world 28%

Not ranked overall: APA Corporation (United States) is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

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.

Biochemistry, Genetics and Molecular Biology: 1.09× its world share, 0 worksBiochemistry, Geneti…Chemistry: 0.62× its world share, 0 worksChemistryComputer Science: 0.29× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 14.79× its world share, 2 worksEarth and Planetary …Engineering: 3.66× its world share, 5 worksEngineeringEnvironmental Science: 2.20× its world share, 1 worksEnvironmental ScienceMedicine: 0.10× its world share, 0 worksMedicine1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 14.8×. Every wedge is a field page.

Which keywords describe research at APA Corporation (United States)?

By fractional works in all years, weighted toward what it does more of than the world: Hydraulic Fracturing, Fracture Propagation, Shale Gas Reservoirs, Nanoparticles, CO2 Sequestration, Vibration Analysis, Drilling Fluids and Well Integrity.

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

Size is fractional works in all years 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. Hydraulic Fracturing22▲ 159×2 topics
  2. Fracture Propagation17▲ 237×1 topic
  3. Shale Gas Reservoirs17▲ 237×1 topic
  4. Nanoparticles15▲ 9.5×3 topics
  5. CO2 Sequestration14▲ 87×2 topics
  6. Vibration Analysis14▲ 38×2 topics
  7. Drilling Fluids14▲ 223×1 topic
  8. Well Integrity14▲ 223×1 topic
  9. Shale Gas12▲ 81×2 topics
  10. Optimization11▲ 18×3 topics
  11. Data Assimilation11▲ 52×1 topic
  12. Ensemble Kalman Filter11▲ 83×1 topic
  13. Geophysical Imaging10▲ 116×2 topics
  14. Machine Learning10▲ 3.8×8 topics
  15. Full-Waveform Tomography9▲ 164×1 topic
  16. Seismic Waveform Inversion9▲ 164×1 topic
  17. Gas Permeability7▲ 66×2 topics
  18. Mudstones7▲ 84×1 topic
  19. Pore Structure7▲ 58×1 topic
  20. Water Quality6▲ 12×3 topics
  21. Emissions5▲ 23×1 topic
  22. Methane5▲ 77×1 topic
  23. Artificial Lift Systems5▲ 148×1 topic
  24. Fault Diagnosis5▲ 20×1 topic
  25. Tomography4▲ 13×2 topics
  26. Seismic Noise4▲ 67×1 topic
  27. Surface Wave4▲ 67×1 topic
  28. Porous Media3▲ 17×2 topics
  29. Tectonics3▲ 16×3 topics
  30. Geological Mapping3▲ 25×2 topics
  31. Pore-scale Modeling2▲ 61×1 topic
  32. X-ray Computed Tomography2▲ 61×1 topic
  33. Anaerobic2▲ 31×1 topic
  34. Methane Oxidation2▲ 26×1 topic
  35. Plate Tectonics2▲ 8.5×3 topics
  36. Numerical Simulation2▲ 5.1×4 topics
  37. GIS-based Modeling2▲ 20×2 topics
  38. Petroleum2▲ 28×2 topics
  39. Thermodynamic Modeling2▲ 7.9×3 topics
  40. Geological Modeling2▲ 56×1 topic

Which research topics does APA Corporation (United States) publish most on?

By volume in 2022–2025: Drilling and Well Engineering, Hydraulic Fracturing and Reservoir Analysis, Hydrocarbon exploration and reservoir analysis and Methane Hydrates and Related Phenomena.

Drilling and Well Engine…1Drilling and Well Engineering: 1 fractional worksHydraulic Fracturing and Reservoir Analysis: 1 fractional worksHydrocarbon exploration and reservoir analysis: 1 fractional worksMethane Hydrates and Related Phenomena: 0 fractional worksCO2 Sequestration and Geologic Interactions: 0 fractional worksSeismic Imaging and Inve…0Seismic Imaging and Inversion Techniques: 0 fractional worksTunneling and Rock Mechanics: 0 fractional worksRock Mechanics and Modeling: 0 fractional worksMineral Processing and Grinding: 0 fractional worksGeological formations and processes: 0 fractional works
Ocean EngineeringMechanical EngineeringMechanics of MaterialsEnvironmental Chemistry4 others

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

  1. 1 Drilling and Well Engineering Ocean Engineering 1 works
  2. 2 Hydraulic Fracturing and Reservoir Analysis Mechanical Engineering 1 works
  3. 3 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 1 works
  4. 4 Methane Hydrates and Related Phenomena Environmental Chemistry 0 works
  5. 5 CO2 Sequestration and Geologic Interactions Environmental Engineering 0 works
  6. 6 Seismic Imaging and Inversion Techniques Geophysics 0 works
  7. 7 Tunneling and Rock Mechanics Civil and Structural Engineering 0 works
  8. 8 Rock Mechanics and Modeling Mechanics of Materials 0 works
  9. 9 Mineral Processing and Grinding Mechanical Engineering 0 works
  10. 10 Geological formations and processes Earth-Surface Processes 0 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 available6.6%not open93.4%

World: 28% of research is openly available.

with international co-authors31.1%domestic only68.9%

World: 19% is written across borders.

How has APA Corporation (United States)'s research output changed?

Output in 2018–2022 was 7% 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 Houston

All research institutions in Houston

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.