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Researcher · University of Oklahoma · United States

Jeffrey G. Callard

Jeffrey G. Callard publishes mostly in Ocean Engineering, Mechanical Engineering and Mechanics of Materials, on topics such as Hydraulic Fracturing and Reservoir Analysis, Reservoir Engineering and Simulation Methods and Hydrocarbon exploration and reservoir analysis.

OpenAlex
World rank
#5,346,276
of 7,710,434 ranked researchers
Rank in United States
#1,360,202
of 1,627,098
Works
20
Citations
178
Citations per work
8.9
h-index
8
i10-index 4Top 54% in Ocean Engineering
Jeffrey G. Callard

What does Jeffrey G. Callard research?

Jeffrey G. Callard's work is mostly in Engineering (85%), Medicine (5%), Physics and Astronomy (3%).

Physical Sciences: 18 works · 90.1% of their workEngineering: 17 works · 85.1% of their workOcean Engineering: 9 works · 46.7% of their workMechanical Engineering: 5 works · 26.7% of their workMechanics of Materials: 2 works · 11.7% of their workPhysics and Astronomy: 1 works · 3.3% of their workNuclear and High Energy Physics: 1 works · 3.3% of their workChemistry: 0 works · 1.7% of their workAnalytical Chemistry: 0 works · 1.7% of their workHealth Sciences: 1 works · 5.0% of their workMedicine: 1 works · 5.0% of their workOphthalmology: 1 works · 5.0% of their workEverything else: 1 works · 4.9% of their workTHEIR WORKJeffrey G.Callard20works
Physical Sciences90%Health Sciences5%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering1785.1%
    2. Physics and Astronomy13.3%
    3. Chemistry01.7%
    1. Medicine15.0%
  3. Everything else14.9%
  1. 1Ocean Engineering47% of their works
  2. 2Mechanical Engineering27% of their works
  3. 3Mechanics of Materials12% of their works
  4. 4Ophthalmology5% of their works
  5. 5Nuclear and High Energy Physics3% of their works
  6. 6Analytical Chemistry2% of their works

Research topics

Which keywords describe Jeffrey G. Callard's research?

The keywords of their largest research topics: Hydraulic Fracturing, Shale Gas Reservoirs, Ensemble Kalman Filter, Optimization, Porous Media, Pore Structure, Shale Gas and Drilling Fluids.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Hydraulic Fracturing161 topic
  2. Shale Gas Reservoirs161 topic
  3. Ensemble Kalman Filter131 topic
  4. Optimization131 topic
  5. Porous Media82 topics
  6. Pore Structure71 topic
  7. Shale Gas71 topic
  8. Drilling Fluids61 topic
  9. Pore-scale Modeling61 topic
  10. Well Integrity61 topic
  11. X-ray Computed Tomography61 topic
  12. Artificial Lift Systems31 topic
  13. Fault Diagnosis31 topic
  14. Diffusion21 topic
  15. Nuclear Magnetic Resonance21 topic
  16. Asphaltenes11 topic
  17. Petroleum11 topic

Where does Jeffrey G. Callard work?

Jeffrey G. Callard's main affiliation in the publication record is University of Oklahoma, United States.

How many publications and citations does Jeffrey G. Callard have?

OpenAlex counts 20 works and 178 citations for Jeffrey G. Callard, an h-index of 8, ranking #5,346,276 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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