Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12222461 | Antenna calibration in an EM logging tool | Kong Hauw Sarwa Bakti Tan, Qingyan He, Qing Zhang, Desheng Zhang, Daniel Fernandez | 2025-02-11 |
| 11209568 | Shield assembly for logging tool sensors | Qingyan He, Luis Pamintuan | 2021-12-28 |
| 10458232 | Formation fluid sample container apparatus | Steven G. Villareal, Jeremy Murphy, Julian Pop, Dale Meek | 2019-10-29 |
| 10364915 | Valve shift detection systems and methods | Jeremy Murphy, Albert Hoefel | 2019-07-30 |
| 10184315 | While drilling valve system | Jeremy Murphy, Michael J. Stucker, William E. Brennan, III, Albert Hoefel, Steven G. Villareal +1 more | 2019-01-22 |
| 10087741 | Predicting pump performance in downhole tools | Lei Chen, Kai Hsu | 2018-10-02 |
| 10007260 | Fault detection and tolerance in downhole tool string assemblies | Albert Hoefel, Steven G. Villareal | 2018-06-26 |
| 9915354 | Rotary check valve | Robert Kelly, Karidja Louise-Olivia Djibo, Walter Luckett | 2018-03-13 |
| 9840933 | Apparatus for extending the flow range of turbines | Gocha Chochua | 2017-12-12 |
| 9534459 | Pump actuated valve | Albert Hoefel, Stephen Parks | 2017-01-03 |
| 9441425 | Drilling tool system and method of manufacture | Steven G. Villareal, Julian Pop, Jeremy Murphy, Albert Hoefel, Thomas W. Palmer | 2016-09-13 |
| 9429014 | Formation fluid sample container apparatus | Steven G. Villareal, Jeremy Murphy, Julian Pop, Dale Meek | 2016-08-30 |
| 9416606 | While drilling valve system | Jeremy Murphy, Michael J. Stucker, William E. Brennan, III, Albert Hoefel, Steven G. Villareal +1 more | 2016-08-16 |
| 9416655 | Modular connector | Ashers Partouche, Steven G. Villareal, Julian Pop, Albert Hoefel | 2016-08-16 |
| 9399913 | Pump control for auxiliary fluid movement | Jeremy Murphy, Sylvain Ramshaw, Satya Bhan, Julian Pop, Steven G. Villareal | 2016-07-26 |
| 9243628 | Adaptive pump control for positive displacement pump failure modes | Steven G. Villareal, Julian Pop, Albert Hoefel | 2016-01-26 |
| 9222352 | Control of a component of a downhole tool | Albert Hoefel, Francois-Xavier Bernard, Sylvain Ramshaw, Shayan Darayan, Taylor Johnson | 2015-12-29 |
| 9187964 | Mandrel loading systems and methods | — | 2015-11-17 |
| 9115567 | Method and apparatus for determining efficiency of a sampling tool | Kai Hsu, Steven G. Villareal | 2015-08-25 |
| 9115544 | Modular downhole tools and methods | Jeremy Murphy, Julian Pop, Steven G. Villareal, Albert Hoefel | 2015-08-25 |
| 8931548 | Modular connector and method | Ashers Partouche, Steven G. Villareal, Julian Pop, Albert Hoefel | 2015-01-13 |
| 8757986 | Adaptive pump control for positive displacement pump failure modes | Steven G. Villareal, Julian Pop, Albert Hoefel | 2014-06-24 |
| 8474485 | Three-position fluid valve for downhole use | Michael J. Stucker | 2013-07-02 |
| 8464796 | Fluid resistivity measurement tool | Albert Hoefel, Michael J. Stucker | 2013-06-18 |
| 7845405 | Formation evaluation while drilling | Steven G. Villareal, Julian Pop, Victor M. Bolze | 2010-12-07 |