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Company · Algiers · Algeria

Sonatrach (Algeria)

In research, Sonatrach (Algeria) stands highest in Physical Sciences (#8,205 of 12,888 worldwide), 2022–2025.

sonatrach.comROR OpenAlex
World rank, 2022–2025
#15,074
of 28,054 · #23,312 all time
Rank in Algeria
#61
of 79
Research works
702
▲ 81% vs 2013–17
Citations
5.7k
8.2 per fractional work
Top-10% rate
9.1%
record average 16.5%
Open access
22%
world 28%

What is Sonatrach (Algeria) 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 #8,205 of 12,888 10.8%84 #13396

Each strip is that field’s whole ranked pool, with the notch where Sonatrach (Algeria) 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).

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: 0.83× its world share, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.44× its world share, 3 worksBiochemistry, Geneti…Immunology and Microbiology: 0.55× its world share, 1 worksImmunology and Micro…Neuroscience: 0.39× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.71× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 4.11× its world share, 2 worksChemical EngineeringChemistry: 1.34× its world share, 2 worksChemistryComputer Science: 0.42× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 3.18× its world share, 6 worksEarth and Planetary …Energy: 3.34× its world share, 4 worksEnergyEngineering: 2.87× its world share, 48 worksEngineeringEnvironmental Science: 2.20× its world share, 12 worksEnvironmental ScienceMaterials Science: 1.22× its world share, 5 worksMaterials ScienceMathematics: 0.25× its world share, 0 worksMathematicsPhysics and Astronomy: 0.51× its world share, 1 worksPhysics and AstronomyHealth Professions: 1.42× its world share, 4 worksHealth ProfessionsMedicine: 0.16× its world share, 3 worksMedicineNursing: 0.15× its world share, 0 worksNursingVeterinary: 0.73× its world share, 0 worksVeterinaryArts and Humanities: 0.93× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.18× its world share, 1 worksBusiness, Management…Decision Sciences: 0.86× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.26× its world share, 1 worksEconomics, Econometr…Psychology: 0.20× its world share, 1 worksPsychologySocial Sciences: 0.44× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemical Engineering, 4.1×. Every wedge is a field page.

Who are the top researchers at Sonatrach (Algeria)?

Ranked on the composite score, Edward Elgar, Mohamed Khodja and Menad Nait Amar lead among researchers whose main affiliation is Sonatrach (Algeria).

  1. 1 Edward Elgar Algeria · #152,980 worldwide 73 citations · 81 works
  2. 2 Mohamed Khodja Algeria · #621,880 worldwide 109 citations · 19 works
  3. 3 Menad Nait Amar Algeria · #695,001 worldwide 111 citations · 28 works
  4. 4 Alexander Mackenzie Algeria · #869,434 worldwide 7 citations · 37 works
  5. 5 Saïd Gaci Algeria · #1,445,303 worldwide 38 citations · 17 works
All ranked researchers at Sonatrach (Algeria)

Which keywords describe research at Sonatrach (Algeria)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Optimization, CO2 Sequestration, Hydraulic Fracturing, Uncertainty Quantification, Data Assimilation, Ensemble Kalman Filter, Fracture Propagation and Shale Gas Reservoirs.

▲ 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. Machine Learning8▲ 2.1×17 topics
  2. Optimization7▲ 14×6 topics
  3. Nanoparticles5▲ 3.7×8 topics
  4. CO2 Sequestration5▲ 23×3 topics
  5. Hydraulic Fracturing5▲ 40×2 topics
  6. Uncertainty Quantification5▲ 53×2 topics
  7. Data Assimilation5▲ 27×1 topic
  8. Ensemble Kalman Filter5▲ 42×1 topic
  9. Fracture Propagation4▲ 65×1 topic
  10. Renewable Energy4▲ 2.8×14 topics
  11. Shale Gas Reservoirs4▲ 65×1 topic
  12. Shale Gas4▲ 31×2 topics
  13. Pore Structure4▲ 31×2 topics
  14. Gas Permeability4▲ 35×1 topic
  15. Mudstones4▲ 46×1 topic
  16. Vibration Analysis4▲ 12×5 topics
  17. Rheological Properties4▲ 17×4 topics
  18. Microbial Communities3▲ 6.9×4 topics
  19. Drilling Fluids3▲ 52×1 topic
  20. Energy Efficiency3▲ 3.0×7 topics
  21. Heat Transfer3▲ 5.7×9 topics
  22. Porous Media3▲ 22×2 topics
  23. Well Integrity3▲ 52×1 topic
  24. Nanofluids3▲ 34×2 topics
  25. Pore-scale Modeling3▲ 73×1 topic
  26. Surfactants3▲ 28×2 topics
  27. X-ray Computed Tomography3▲ 73×1 topic
  28. Fault Diagnosis2▲ 15×3 topics
  29. Turbulent Flows2▲ 22×3 topics
  30. Artificial Lift Systems2▲ 69×1 topic
  31. Electric Submersible Pumps2▲ 69×1 topic
  32. Predictive Maintenance2▲ 26×2 topics
  33. Biodegradation2▲ 17×2 topics
  34. Subduction2▲ 23×2 topics
  35. Supply Chain2▲ 7.9×2 topics
  36. Narrative2▲ 9.9×2 topics
  37. Carbon Capture2▲ 37×2 topics
  38. Palliative Care2▲ 9.5×2 topics
  39. Reactive Transport2▲ 29×2 topics
  40. Thermodynamic Analysis2▲ 24×3 topics

Which research topics does Sonatrach (Algeria) publish most on?

By volume in 2022–2025: Reservoir Engineering and Simulation Methods, Hydraulic Fracturing and Reservoir Analysis, Hydrocarbon exploration and reservoir analysis and Drilling and Well Engineering.

Reservoir Engineering and Simulation Methods: 5 fractional worksHydraulic Fracturing and Reservoir Analysis: 4 fractional worksHydrocarbon exploration …4Hydrocarbon exploration and reservoir analysis: 4 fractional worksDrilling and Well Engine…3Drilling and Well Engineering: 3 fractional worksEnhanced Oil Recovery Techniques: 3 fractional worksOil and Gas Production Techniques: 2 fractional worksHermeneutics and Narrati…2Hermeneutics and Narrative Identity: 2 fractional worksHealth, Medicine and Society: 2 fractional worksAging, Elder Care, and Social Issues: 2 fractional worksCO2 Sequestration and Geologic Interactions: 2 fractional works
Ocean EngineeringMechanical EngineeringMechanics of MaterialsPhilosophy2 others

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

  1. 1 Reservoir Engineering and Simulation Methods Ocean Engineering 5 works
  2. 2 Hydraulic Fracturing and Reservoir Analysis Mechanical Engineering 4 works
  3. 3 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 4 works
  4. 4 Drilling and Well Engineering Ocean Engineering 3 works
  5. 5 Enhanced Oil Recovery Techniques Ocean Engineering 3 works
  6. 6 Oil and Gas Production Techniques Ocean Engineering 2 works
  7. 7 Hermeneutics and Narrative Identity Philosophy 2 works
  8. 8 Health, Medicine and Society General Health Professions 2 works
  9. 9 Aging, Elder Care, and Social Issues General Health Professions 2 works
  10. 10 CO2 Sequestration and Geologic Interactions Environmental Engineering 2 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 available21.7%not open78.3%

World: 28% of research is openly available.

with international co-authors41.1%domestic only58.9%

World: 19% is written across borders.

How has Sonatrach (Algeria)'s research output changed?

Output in 2018–2022 was 81% higher 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 Algiers

All research institutions in Algiers

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.