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Company · Xi'an · China

Shaanxi Yanchang Petroleum (China)

In research, Shaanxi Yanchang Petroleum (China) stands highest in Physical Sciences (#7,794 of 12,888 worldwide) and Engineering (#5,295 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Ocean Engineering, Mechanics of Materials and Mechanical Engineering — Ocean Engineering is 37.8× its share of world research.

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World rank, 2022–2025
#15,123
of 28,054 · #22,457 all time
Rank in China
#2,437
of 3,058
Research works
609
▼ 16% vs 2013–17
Citations
4.6k
7.5 per fractional work
Top-10% rate
10.7%
record average 16.5%
Open access
25%
world 28%

What is Shaanxi Yanchang Petroleum (China) 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
Physical SciencesDomain #7,794 of 12,888 10.3%168 #12120
EngineeringField #5,295 of 6,636 9.8%106 #8239

Each strip is that field’s whole ranked pool, with the notch where Shaanxi Yanchang Petroleum (China) 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).

What does Shaanxi Yanchang Petroleum (China) specialise in?

Where its research is concentrated relative to its size: Ocean Engineering takes 37.8× the share of its output that it takes of world research.

  1. Ocean EngineeringSubfield · 34.1 works38×
  2. Mechanics of MaterialsSubfield · 24.2 works20×
  3. Mechanical EngineeringSubfield · 25.1 works7.9×
← 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: 0.12× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.13× its world share, 1 worksBiochemistry, Geneti…Pharmacology, Toxicology and Pharmaceutics: 0.18× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 3.07× its world share, 2 worksChemical EngineeringChemistry: 3.94× its world share, 11 worksChemistryComputer Science: 0.39× its world share, 5 worksComputer ScienceEarth and Planetary Sciences: 4.37× its world share, 12 worksEarth and Planetary …Energy: 1.66× its world share, 3 worksEnergyEngineering: 4.05× its world share, 106 worksEngineeringEnvironmental Science: 1.66× its world share, 14 worksEnvironmental ScienceMaterials Science: 2.19× its world share, 13 worksMaterials ScienceMathematics: 0.04× its world share, 0 worksMathematicsPhysics and Astronomy: 0.55× its world share, 2 worksPhysics and AstronomyHealth Professions: 0.05× its world share, 0 worksHealth ProfessionsMedicine: 0.04× its world share, 1 worksMedicineNursing: 0.36× its world share, 0 worksNursingBusiness, Management and Accounting: 0.05× its world share, 0 worksBusiness, Management…Decision Sciences: 0.10× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.13× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.04× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 4.4×. Every wedge is a field page.

Who are the top researchers at Shaanxi Yanchang Petroleum (China)?

Ranked on the composite score, Xiangzeng Wang lead among researchers whose main affiliation is Shaanxi Yanchang Petroleum (China).

  1. 1 Xiangzeng Wang China · #243,164 worldwide 181 citations · 41 works
All ranked researchers at Shaanxi Yanchang Petroleum (China)

Which keywords describe research at Shaanxi Yanchang Petroleum (China)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Pore Structure, Shale Gas, CO2 Sequestration, Hydraulic Fracturing, Gas Permeability, Mudstones, Thermal Maturity and Fracture Propagation.

▲ 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. Pore Structure22▲ 102×2 topics
  2. Shale Gas20▲ 92×2 topics
  3. CO2 Sequestration19▲ 56×4 topics
  4. Hydraulic Fracturing19▲ 97×2 topics
  5. Gas Permeability19▲ 106×2 topics
  6. Mudstones18▲ 134×1 topic
  7. Thermal Maturity18▲ 134×1 topic
  8. Fracture Propagation16▲ 155×1 topic
  9. Shale Gas Reservoirs16▲ 155×1 topic
  10. Nanoparticles13▲ 6.0×12 topics
  11. Porous Media12▲ 51×5 topics
  12. Surfactants10▲ 62×4 topics
  13. Rheological Properties10▲ 32×3 topics
  14. Vibration Analysis10▲ 21×3 topics
  15. Machine Learning10▲ 1.74×18 topics
  16. Drilling Fluids10▲ 103×1 topic
  17. Well Integrity10▲ 103×1 topic
  18. Pore-scale Modeling10▲ 152×1 topic
  19. X-ray Computed Tomography10▲ 152×1 topic
  20. Petroleum8▲ 94×2 topics
  21. Optimization6▲ 7.8×8 topics
  22. Biodegradation6▲ 34×2 topics
  23. Mass Spectrometry6▲ 21×2 topics
  24. Catalysis6▲ 4.8×15 topics
  25. Asphaltenes5▲ 131×1 topic
  26. Naphthenic Acids5▲ 131×1 topic
  27. Data Assimilation5▲ 18×1 topic
  28. Ensemble Kalman Filter5▲ 28×1 topic
  29. Reactive Transport5▲ 54×2 topics
  30. Carbon Capture4▲ 62×1 topic
  31. Geological Storage4▲ 92×1 topic
  32. Ionic Liquids4▲ 9.0×5 topics
  33. Tectonics4▲ 21×3 topics
  34. Coal Permeability4▲ 120×1 topic
  35. Coalbed Methane4▲ 120×1 topic
  36. Fault Diagnosis4▲ 17×2 topics
  37. Predictive Maintenance4▲ 31×2 topics
  38. Artificial Lift Systems4▲ 79×1 topic
  39. Electric Submersible Pumps4▲ 79×1 topic
  40. Geophysical Imaging4▲ 42×2 topics

Which research topics does Shaanxi Yanchang Petroleum (China) publish most on?

By volume in 2022–2025: Hydrocarbon exploration and reservoir analysis, Hydraulic Fracturing and Reservoir Analysis, Drilling and Well Engineering and Enhanced Oil Recovery Techniques.

Hydrocarbon exploration …18Hydrocarbon exploration and reservoir analysis: 18 fractional worksHydraulic Fracturing and…16Hydraulic Fracturing and Reservoir Analysis: 16 fractional worksDrilling and Well Engineering: 10 fractional worksEnhanced Oil Recovery Techniques: 10 fractional worksPetroleum Processing and Analysis: 5 fractional worksReservoir Engineering an…5Reservoir Engineering and Simulation Methods: 5 fractional worksCO2 Sequestration and Geologic Interactions: 4 fractional worksCoal Properties and Utilization: 4 fractional worksOil and Gas Production Techniques: 4 fractional worksRock Mechanics and Modeling: 3 fractional works
Mechanics of MaterialsMechanical EngineeringOcean EngineeringAnalytical Chemistry1 others

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

  1. 1 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 18 works
  2. 2 Hydraulic Fracturing and Reservoir Analysis Mechanical Engineering 16 works
  3. 3 Drilling and Well Engineering Ocean Engineering 10 works
  4. 4 Enhanced Oil Recovery Techniques Ocean Engineering 10 works
  5. 5 Petroleum Processing and Analysis Analytical Chemistry 5 works
  6. 6 Reservoir Engineering and Simulation Methods Ocean Engineering 5 works
  7. 7 CO2 Sequestration and Geologic Interactions Environmental Engineering 4 works
  8. 8 Coal Properties and Utilization Ocean Engineering 4 works
  9. 9 Oil and Gas Production Techniques Ocean Engineering 4 works
  10. 10 Rock Mechanics and Modeling Mechanics of Materials 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 available25.2%not open74.8%

World: 28% of research is openly available.

with international co-authors10.4%domestic only89.6%

World: 19% is written across borders.

How has Shaanxi Yanchang Petroleum (China)'s research output changed?

Output in 2018–2022 was 16% lower than in 2013–2017.

201020152020
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 Xi'an

All research institutions in Xi'an

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.