Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332397 | Systems and methods for enhancing data acquisition operations in seismic surveys | Peter Swinburne, Robert Van Kuijk, Eshan Chittimalla, Hikmet Andic, Erik Emilio Hornil Espinoza +7 more | 2025-06-17 |
| 11761327 | Depth positioning using gamma-ray correlation and downhole parameter differential | Carlos Merino | 2023-09-19 |
| 10900347 | BOP elastomer health monitoring | Olivier Amsellem, Alice Chougnet-Sirapian, Matthew Givens, Remi Robutel, Ray Zonoz | 2021-01-26 |
| 9810613 | System and method for sensing displacement of subsea structures | Erik Rhein-Knudsen, Olivier Sindt, Vincent Alliot, Patrice Ligneul | 2017-11-07 |
| 8943900 | Method and apparatus for differential pressure measurement | Alain Buisson, Eric Donzier | 2015-02-03 |
| 8061219 | Flow restriction insert for differential pressure measurement | Gilles Roux, Robert Ingham, Jim Filas, Yves Manin, Eric Donzier | 2011-11-22 |
| 7832501 | Measurement ahead of the drilling bit by analysis of formation cuttings using ultraviolet light to detect the presence of oil or gas | Stephane Vannuffelen | 2010-11-16 |
| 7654318 | Fluid diversion measurement methods and systems | Iain Cooper, Bart Thomeer, Colin Whittaker, Carolina Dautriche, Murtaza Ziauddin +8 more | 2010-02-02 |
| 7610961 | Downhole separation of oil and water | Yves Manin, Bernard Theron | 2009-11-03 |
| 7562580 | Ruggedized pressure sensor | Songming Huang | 2009-07-21 |
| 7373832 | Miniaturized membrane and shell for a pressure measuring sensor | — | 2008-05-20 |
| 7360430 | High impedance thin film for strain gauge applications | — | 2008-04-22 |
| 7258164 | Pumping system for oil wells | Patrice Ligneul | 2007-08-21 |
| 7114386 | Method and apparatus for acquiring data in a hydrocarbon well in production | Eric Veignat, Jean-Pierre Chyzak | 2006-10-03 |
| 6779927 | Feedthrough with optic fiber sealed in protective tube and optical measurement apparatus using the same | Fabien Cens | 2004-08-24 |
| 6655849 | Optical connector, particularly for operating in high pressure environment | Francois-Louis Malavieille | 2003-12-02 |
| 6615664 | Method of measuring pressure by means of a pressure gauge having a resonant element | Eric Donzier, Alfred Permuy | 2003-09-09 |
| 5661237 | Method and apparatus for locally measuring flow parameters of a multiphase fluid | Elizabeth B. Dussan V., Francois Hecquet, Eric Veignat | 1997-08-26 |
| 5509312 | Diaphragm pressure sensor including anti-stock protection means and gradiomanometer incorporating such a sensor | Eric Donzier | 1996-04-23 |
| 5309136 | Electrical circuit such as a Wheatstone bridge with a resistance-adjusting portion | Luc Petitjean | 1994-05-03 |