Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331640 | Steering valve for deactivating a steering pad of a rotary steerable system | Paravastu Badrinarayanan | 2025-06-17 |
| 12326083 | Secondary steering pad retention mechanism | — | 2025-06-10 |
| 12247485 | Rotary steerable system with multiple rows of actuators | Paravastu Badrinarayanan | 2025-03-11 |
| 12180833 | Rotary steerable system steering pad actuator for wellbore drilling | — | 2024-12-31 |
| 12116893 | Shear pin for deactivating a steering pad of a rotary steerable system | Paravastu Badrinarayanan | 2024-10-15 |
| 12031433 | Steering valve for deactivating a steering pad of a rotary steerable system | Paravastu Badrinarayanan | 2024-07-09 |
| 11988050 | Centralizer with opposing hollow spring structure | Wei Zhang | 2024-05-21 |
| 11933115 | Centralizer with opposing projections | Wei Zhang | 2024-03-19 |
| 11933116 | Eccentric centralizer | Wei Zhang | 2024-03-19 |
| 11873688 | Centralizer with opposing hollow spring structure | Wei Zhang | 2024-01-16 |
| 11873687 | Centralizer with elongated rods | Wei Zhang | 2024-01-16 |
| 11773718 | Formation fluid sampling methods and systems | Nestor Javier Rodriguez, William Wade Samec, James Masino, Burkay Donderici | 2023-10-03 |
| 11753871 | Rotary steerable system for wellbore drilling | Wei Zhang | 2023-09-12 |
| 11634982 | Filtering of RSS pad noise in mud pulse telemetry systems and detection of RSS pad leaks | Paravastu Badrinarayanan, Malay Mehta, Rashobh Rajan Sobhana, Felipe Costa Oliveira Chagas | 2023-04-25 |
| 11396774 | Steering actuation mechanism | Larry DeLynn Chambers, Neelesh Deolalikar, Wei Zhang | 2022-07-26 |
| 10927629 | Downhole machining tool | — | 2021-02-23 |
| 10605052 | Thermal management system for downhole tools | Tanest Chinwanawich, Adan Hernandez Herrera | 2020-03-31 |
| 10428648 | Downhole formation fluid viscometer sensor | Hua Xia, Robert Atkinson, Nestor Javier Rodriguez, Christopher Michael Jones, Darren George Gascooke | 2019-10-01 |
| 10317351 | Pressurized NMR core analyzer | Yuan Chong, Songhua Chen, Lilong Li | 2019-06-11 |
| 10209390 | Measuring fluid conductivity | Wei Zhang, Li Gao, Burkay Donderici | 2019-02-19 |
| 10012077 | Downhole sensor for formation fluid property measurement | Hua Xia, Robert Atkinson, Nestor Javier Rodriguez, Christopher Michael Jones, Darren George Gascooke | 2018-07-03 |
| 9732611 | Method and apparatus for formation testing and sampling when performing subterranean operations | — | 2017-08-15 |
| 9575199 | Downhole fluid resistivity sensor systems and methods | Wei Zhang, Li Gao, David Earl Ball | 2017-02-21 |
| 9557300 | Wireline cable fatigue monitoring using thermally-induced acoustic waves | Hua Xia, Yinghui Lu, John L. Maida | 2017-01-31 |
| 9388687 | Formation environment sampling apparatus, systems, and methods | Ronald Johannes Dirksen, Mark A. Proett, Jim Wilson, Abbas Sami Eyuboglu, Wei Zhang +1 more | 2016-07-12 |