DH

David Fraser Halliday

WL Westerngeco L.L.C.: 4 patents #3 of 70Top 5%
Overall (2017): #49,221 of 506,227Top 10%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9651691 Methods and systems for land seismic surveying Pascal Edme, Everhard Johan Muijzert, Julian Edward Kragh 2017-05-16
9618636 Seismic acquisition using phase-shifted sweeps Robert Laws 2017-04-11
9594178 Seismic data acquisition and source-side derivatives generation and application Johan O. A. Robertsson, Dirk-Jan Van Manen, Robert Laws 2017-03-14
9575193 Methods and computing systems for survey data enhancement Pieter Leonard Vermeer 2017-02-21