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Researcher · United States Department of the Interior · United States

Robert T. Johansen

Robert T. Johansen publishes mostly in Ocean Engineering, Mechanical Engineering and Analytical Chemistry, on topics such as Enhanced Oil Recovery Techniques, Petroleum Processing and Analysis and Hydraulic Fracturing and Reservoir Analysis.

OpenAlex
World rank
#6,515,864
of 7,710,434 ranked researchers
Rank in United States
#1,526,996
of 1,627,098
Works
40
Citations
157
Citations per work
3.9
h-index
6
i10-index 6Top 72% in Ocean Engineering
Robert T. Johansen

What does Robert T. Johansen research?

Robert T. Johansen's work is mostly in Engineering (61%), Chemistry (12%), Energy (4%).

Physical Sciences: 31 works · 77.1% of their workEngineering: 24 works · 60.8% of their workOcean Engineering: 16 works · 39.1% of their workMechanical Engineering: 5 works · 13.0% of their workMechanics of Materials: 2 works · 5.4% of their workCivil and Structural Engineering: 1 works · 3.3% of their workChemistry: 5 works · 12.0% of their workAnalytical Chemistry: 5 works · 12.0% of their workEnergy: 2 works · 4.3% of their workRenewable Energy, Sustainability and the Environment: 2 works · 4.3% of their workEverything else: 9 works · 22.9% of their workTHEIR WORKRobert T.Johansen40works
Physical Sciences77%

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. Engineering2460.8%
    2. Chemistry512.0%
    3. Energy24.3%
  2. Everything else922.9%
  1. 1Ocean Engineering39% of their works
  2. 2Mechanical Engineering13% of their works
  3. 3Analytical Chemistry12% of their works
  4. 4Mechanics of Materials5% of their works
  5. 5Renewable Energy, Sustainability and the Environment4% of their works
  6. 6Civil and Structural Engineering3% of their works

Research topics

Which keywords describe Robert T. Johansen's research?

The keywords of their largest research topics: Pore-scale Modeling, X-ray Computed Tomography, Asphaltenes, Petroleum, Ensemble Kalman Filter, Hydraulic Fracturing, Optimization and Shale Gas Reservoirs.

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 16 words, with their numbers
  1. Pore-scale Modeling131 topic
  2. X-ray Computed Tomography131 topic
  3. Asphaltenes111 topic
  4. Petroleum111 topic
  5. Ensemble Kalman Filter91 topic
  6. Hydraulic Fracturing91 topic
  7. Optimization91 topic
  8. Shale Gas Reservoirs91 topic
  9. Drilling Fluids81 topic
  10. Well Integrity81 topic
  11. Artificial Lift Systems51 topic
  12. Fault Diagnosis51 topic
  13. Pore Structure41 topic
  14. Shale Gas41 topic
  15. EROI31 topic
  16. Fossil Fuels31 topic

Where does Robert T. Johansen work?

Robert T. Johansen's main affiliation in the publication record is United States Department of the Interior, United States.

How many publications and citations does Robert T. Johansen have?

OpenAlex counts 40 works and 157 citations for Robert T. Johansen, an h-index of 6, ranking #6,515,864 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.

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