Science Explorer Interactive view Map

Researchers at Petroleum Geo-Services (United Kingdom)

Walter Söllner, Alejandro Valenciano and John Brittan rank highest among 11 ranked researchers whose main affiliation is Petroleum Geo-Services (United Kingdom).

The ranking

  1. 1 Walter SöllnerUnited Kingdom · #592,692 worldwide87 citations · 17 works
  2. 2 Alejandro ValencianoUnited Kingdom · #638,750 worldwide51 citations · 26 works
  3. 3 John BrittanUnited Kingdom · #784,238 worldwide29 citations · 18 works
  4. 4 Nizar CheminguiUnited Kingdom · #787,858 worldwide49 citations · 34 works
  5. 5 M. WidmaierUnited Kingdom · #971,100 worldwide21 citations · 22 works
  6. 6 C. ReiserUnited Kingdom · #1,283,743 worldwide16 citations · 22 works
  7. 7 A. GoertzUnited Kingdom · #1,315,193 worldwide6 citations · 16 works
  8. 8 Sangram BiradarUnited Kingdom · #1,317,266 worldwide1 citations · 17 works
  9. 9 J. Ramos-MartínezUnited Kingdom · #1,323,129 worldwide32 citations · 19 works
  10. 10 Roald van BorselenUnited Kingdom · #1,506,095 worldwide18 citations · 18 works
  11. 11 Andrew LongUnited Kingdom · #1,559,106 worldwide12 citations · 24 works

Output against citations per work

A long record and a heavily-cited one are not the same career, and a list ordered by either buries the other. The upper left is a small body of work that travelled a long way.

0246mean 1.40285works (log) →citations per work →Walter Söllner: 17, 5.1Alejandro Valenciano: 26, 2.0John Brittan: 18, 1.6Nizar Chemingui: 34, 1.4M. Widmaier: 22, 1.0C. Reiser: 22, 0.7A. Goertz: 16, 0.4Sangram Biradar: 17, 0.1J. Ramos-Martínez: 19, 1.7Roald van Borselen: 18, 1.0Andrew Long: 24, 0.5Walter SöllnerAlejandro ValencianoJohn BrittanNizar Chemingui
above the meannear itbelow it

One dot per researcher in the list above.

Ranked on the composite of field-normalised excellence (50%), output (30%) and citations (20%). Affiliation is the institution a researcher publishes from most; identities come from OpenAlex author disambiguation.