| 10513892 |
Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling |
Patrick R. Derkacz, Justin C. Logan, David A. Switzer |
2019-12-24 |
| 10508538 |
Fluid pressure pulse generator for a downhole telemetry tool |
Luke Anthony Stack, Justin C. Logan, Gavin Gaw-Wae Lee |
2019-12-17 |
| 10494879 |
Universal downhole probe system |
Justin C. Logan, David A. Switzer, Patrick R. Derkacz |
2019-12-03 |
| 10473804 |
Seal and seal assembly for a fluid pressure pulse generating tool |
Gavin Gaw-Wae Lee, Justin C. Logan |
2019-11-12 |
| 10443374 |
Electromagnetic communications system and method for a drilling operation |
David A. Switzer, Jili Liu, Mingdong Xu, Mojtaba Kazemi Miraki |
2019-10-15 |
| 10422921 |
Downhole system with integrated backup sensors |
Patrick R. Derkacz, Justin C. Logan, Barry Daniel Buternowsky, Mojtaba Kazemi Miraki |
2019-09-24 |
| 10415377 |
Fluid pressure pulse generator and flow bypass sleeve for a telemetry tool |
Gavin Gaw-Wae Lee, Luke Anthony Stack |
2019-09-17 |
| 10400585 |
Downhole reception and transmission of electromagnetic data telemetry signals |
Alexander Down, Theunis Van Schalkwyk, Rostyslav Kuchma, Mojtaba Kazemi Miraki |
2019-09-03 |
| 10400520 |
Electromagnetic telemetry gap sub assembly with insulating collar |
Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki |
2019-09-03 |
| 10392928 |
At-surface communication with downhole tools |
Robin Cody ROBSON, Kurtis West, Barry Daniel Buternowsky |
2019-08-27 |
| 10358906 |
Downhole probe centralizer |
Justin C. Logan, Patrick R. Derkacz |
2019-07-23 |
| 10352111 |
Drill collar with integrated probe centralizer |
Justin C. Logan, Patrick R. Derkacz, David A. Switzer |
2019-07-16 |
| 10352151 |
Downhole electronics carrier |
Patrick R. Derkacz, Justin C. Logan |
2019-07-16 |
| 10329901 |
Surface display interface for data from downhole systems |
David A. Switzer, Sheng-Guo Xu, Anquan Men, Kurtis West, Barry Daniel Buternowsky +4 more |
2019-06-25 |
| 10316652 |
Downhole telemetry tool with adaptive frequency transmitter |
Gavin Gaw-Wae Lee, Justin C. Logan, Kurtis West, Luke Anthony Stack |
2019-06-11 |
| 10301931 |
Measuring while drilling systems, method and apparatus |
Patrick R. Derkacz, Justin C. Logan, Kurtis West, Jili Liu, Barry Daniel Buternowsky |
2019-05-28 |
| 10301891 |
Jig for coupling or uncoupling drill string sections with detachable couplings and related methods |
Patrick R. Derkacz, Justin C. Logan |
2019-05-28 |
| 10301887 |
Drill string sections with interchangeable couplings |
Patrick R. Derkacz, Justin C. Logan |
2019-05-28 |
| 10295060 |
Method for sealing a gap sub assembly |
Hasan Alper Hepguvendik, Justin C. Logan, Gavin Gaw-Wae Lee, Luke Anthony Stack, Mojtaba Kazemi Miraki +2 more |
2019-05-21 |
| 10287871 |
Axially-supported downhole probes |
Justin C. Logan, David A. Switzer, Patrick R. Derkacz |
2019-05-14 |
| 10280741 |
Optimizing downhole data communication with at bit sensors and nodes |
Patrick R. Derkacz, Justin C. Logan, Jili Liu, David A. Switzer, Robert A. Harris +2 more |
2019-05-07 |
| 10253621 |
Integrated downhole system with plural telemetry subsystems |
David A. Switzer, Jili Liu, Justin C. Logan, Mingdong Xu |
2019-04-09 |
| 10233747 |
Optimizing electromagnetic telemetry transmissions |
Jili Liu, Mingdong Xu, David A. Switzer, Monica E. Varga, Mojtaba Kazemi Miraki |
2019-03-19 |
| 10215020 |
Mud motor with integrated MWD system |
Patrick R. Derkacz, Justin C. Logan |
2019-02-26 |
| 10215021 |
Downhole electromagnetic and mud pulse telemetry apparatus |
David A. Switzer, Jili Liu, Mingdong Xu |
2019-02-26 |