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Researcher · Aker BP (Norway) · Norway

N. Haller

N. Haller publishes mostly in Ocean Engineering, Geophysics and Mechanical Engineering, on topics such as Seismic Imaging and Inversion Techniques, Reservoir Engineering and Simulation Methods and Hydraulic Fracturing and Reservoir Analysis.

OpenAlex
World rank
#6,983,988
of 7,710,434 ranked researchers
Rank in Norway
#32,177
of 33,005
Works
18
Citations
37
Citations per work
2.1
h-index
4
i10-index 0Top 88% in Ocean Engineering
N. Haller

What does N. Haller research?

N. Haller's work is mostly in Engineering (60%), Earth and Planetary Sciences (36%), Environmental Science (2%).

Physical Sciences: 18 works · 98.0% of their workEngineering: 11 works · 59.6% of their workOcean Engineering: 7 works · 40.4% of their workMechanical Engineering: 3 works · 15.4% of their workMechanics of Materials: 1 works · 3.8% of their workEarth and Planetary Sciences: 7 works · 36.5% of their workGeophysics: 5 works · 28.8% of their workGeochemistry and Petrology: 1 works · 7.7% of their workEnvironmental Science: 0 works · 1.9% of their workEnvironmental Chemistry: 0 works · 1.9% of their workTHEIR WORKN. Haller18works
Physical Sciences98%

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. Engineering1159.6%
    2. Earth and Planetary Sciences736.5%
    3. Environmental Science01.9%
  1. 1Ocean Engineering40% of their works
  2. 2Geophysics29% of their works
  3. 3Mechanical Engineering15% of their works
  4. 4Geochemistry and Petrology8% of their works
  5. 5Mechanics of Materials4% of their works
  6. 6Environmental Chemistry2% of their works

Research topics

Which keywords describe N. Haller's research?

The keywords of their largest research topics: Ensemble Kalman Filter, Full-Waveform Tomography, Optimization, Seismic Waveform Inversion, Hydraulic Fracturing, Shale Gas Reservoirs, Drilling Fluids and Well Integrity.

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. Ensemble Kalman Filter121 topic
  2. Full-Waveform Tomography121 topic
  3. Optimization121 topic
  4. Seismic Waveform Inversion121 topic
  5. Hydraulic Fracturing81 topic
  6. Shale Gas Reservoirs81 topic
  7. Drilling Fluids71 topic
  8. Well Integrity71 topic
  9. Geological Modeling41 topic
  10. Uncertainty Analysis41 topic
  11. Seismic Noise31 topic
  12. Tomography31 topic
  13. Artificial Lift Systems21 topic
  14. Fault Diagnosis21 topic
  15. Pore Structure21 topic
  16. Shale Gas21 topic

Where does N. Haller work?

N. Haller's main affiliation in the publication record is Aker BP (Norway), Norway.

How many publications and citations does N. Haller have?

OpenAlex counts 18 works and 37 citations for N. Haller, an h-index of 4, ranking #6,983,988 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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