Issued Patents All Time
Showing 51–75 of 109 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109434 | System and method for estimating oil formation volume factor downhole | Kentaro Indo, Kai Hsu | 2015-08-18 |
| 9097103 | Methods and apparatus for planning and dynamically updating sampling operations while drilling in a subterranean formation | Yong Chang | 2015-08-04 |
| 9063250 | Interference testing while drilling | — | 2015-06-23 |
| 8991245 | Apparatus and methods for characterizing a reservoir | Troy Fields, Yves Barriol, Oivind Brockmeier, Jean Desroches, Frederik Majkut +6 more | 2015-03-31 |
| 8939021 | Fluid expansion in mud gas logging | Pierre J. Daniel, Stefan Smuk, Reza Taherian | 2015-01-27 |
| 8931548 | Modular connector and method | Ashers Partouche, Steven G. Villareal, Albert Hoefel, Kent David Harms | 2015-01-13 |
| 8912000 | Downhole mass spectrometric hydrocarbon determination in presence of electron and chemical ionization | Pierre J. Daniel, Reza Taherian, Bruno Drochon | 2014-12-16 |
| 8788210 | Job monitoring methods and apparatus for logging-while-drilling equipment | Sylvain Ramshaw, Peter Swinburne, Kai Hsu, Steven G. Villareal | 2014-07-22 |
| 8757986 | Adaptive pump control for positive displacement pump failure modes | Steven G. Villareal, Albert Hoefel, Kent David Harms | 2014-06-24 |
| 8757254 | Adjustment of mud circulation when evaluating a formation | Steven G. Villreal, Vladimir Vaynshteyn | 2014-06-24 |
| 8726988 | Focused sampling of formation fluids | Pierre-Yves Corre | 2014-05-20 |
| 8714246 | Downhole measurement of formation characteristics while drilling | Reza Taherian | 2014-05-06 |
| 8596384 | Reducing differential sticking during sampling | Steven G. Villareal | 2013-12-03 |
| 8550184 | Formation coring apparatus and methods | Steven E. Buchanan, Carsten Sonne, Gokhan Erol | 2013-10-08 |
| 8433520 | Job monitoring methods and apparatus for logging-while-drilling equipment | Sylvain Ramshaw, Peter Swinburne, Kai Hsu, Steven G. Villareal | 2013-04-30 |
| 8322416 | Focused sampling of formation fluids | Pierre-Yves Corre | 2012-12-04 |
| 8162052 | Formation tester with low flowline volume and method of use thereof | Anthony Robert Holmes Goodwin, Stephane Briquet, Ricardo Vasques, Alexander F. Zazovsky | 2012-04-24 |
| 8136395 | Systems and methods for well data analysis | Jean-Marc Follini | 2012-03-20 |
| 8061444 | Methods and apparatus to form a well | Oliver C. Mullins, Francois Xavier Dubost, Soraya S. Betancourt | 2011-11-22 |
| 8056408 | Downhole measurement of formation characteristics while drilling | Reza Taherian, Martin E. Poitzsch, Jacques R. Tabanou | 2011-11-15 |
| 8060311 | Job monitoring methods and apparatus for logging-while-drilling equipment | Sylvain Ramshaw, Peter Swinburne, Kai Hsu, Steven G. Villareal | 2011-11-15 |
| 8016038 | Method and apparatus to facilitate formation sampling | Anthony Robert Holmes Goodwin, Stephen Yeldell, Jason Hueber, Pierre-Yves Corre, Stephane Briquet +2 more | 2011-09-13 |
| 7913554 | Method and apparatus for balanced pressure sampling | Simon Bittleston, Jonathan W. Brown, Ashley C. Kishino, Christopher S. Del Campo | 2011-03-29 |
| 7878243 | Method and apparatus for sampling high viscosity formation fluids | Anthony Robert Holmes Goodwin, Peter S. Hegeman, Ashley C. Kishino, Gary John Tustin, Raymond V. Nold, III +3 more | 2011-02-01 |
| 7845405 | Formation evaluation while drilling | Steven G. Villareal, Kent David Harms, Victor M. Bolze | 2010-12-07 |