| 10156102 |
Gap assembly for EM data telemetry |
Patrick R. Derkacz, Justin C. Logan |
2018-12-18 |
|
| 10151196 |
Downhole telemetry |
David A. Switzer, Jili Liu, Justin C. Logan |
2018-12-11 |
|
| 10125904 |
Sealing gasket and method for creating same |
Hasan Alper Hepguvendik, Justin C. Logan, Gavin Gaw-Wae Lee, Luke Anthony Stack, Mojtaba Kazemi Miraki +2 more |
2018-11-13 |
|
| 10119393 |
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 |
2018-11-06 |
|
| 10113412 |
Axially-supported downhole probes |
Justin C. Logan, David A. Switzer |
2018-10-30 |
|
| 10078154 |
Downhole system with integrated backup sensors |
Patrick R. Derkacz, Justin C. Logan, Barry Daniel Buternowsky, Mojtaba Kazemi Miraki |
2018-09-18 |
|
| 10066475 |
Back up directional and inclination sensors and method of operating same |
David A. Switzer, Jili Liu, Mojtaba Kazemi Miraki |
2018-09-04 |
|
| 10066481 |
Downhole electromagnetic and mud pulse telemetry apparatus |
David A. Switzer, Jili Liu, Mingdong Xu |
2018-09-04 |
|
| 10044338 |
Mutually induced filters |
Sunil Kapoor, Hyungjoon Kim, Yaswanth Rangineni, Karl Leeser |
2018-08-07 |
$26,949,000 |
| 10030501 |
Downhole probe centralizer |
Justin C. Logan, Patrick R. Derkacz |
2018-07-24 |
|
| 10006280 |
Downhole pocket electronics |
David A. Switzer |
2018-06-26 |
|
| 10006257 |
Centralizer for downhole probes |
Justin C. Logan, Patrick R. Derkacz |
2018-06-26 |
|
| 9995134 |
Electromagnetic pulse downhole telemetry |
Jili Liu, Mingdong Xu, David A. Switzer |
2018-06-12 |
|
| 9988896 |
Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location |
David A. Switzer, Jili Liu, Mingdong Xu |
2018-06-05 |
|
| 9988855 |
Methods and apparatus for generating electromagnetic telemetry signals |
Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki |
2018-06-05 |
|
| 9988897 |
Optimizing electromagnetic telemetry transmissions |
Jili Liu, Mingdong Xu, David A. Switzer, Monica E. Varga, Mojtaba Kazemi Miraki |
2018-06-05 |
|
| 9976415 |
Electromagnetic telemetry system with compensation for drilling fluid characteristics |
Justin C. Logan, Patrick R. Derkacz |
2018-05-22 |
|
| 9976414 |
Downhole probe assembly with bluetooth device |
David A. Switzer, Jili Liu, Patrick R. Derkacz |
2018-05-22 |
|
| 9951611 |
Downhole telemetry |
David A. Switzer, Jili Liu, Justin C. Logan |
2018-04-24 |
|
| 9951603 |
Methods and apparatus for downhole probes |
Jili Liu, Patrick R. Derkacz, Justin C. Logan, David A. Switzer |
2018-04-24 |
|
| 9945227 |
Mixed-mode telemetry systems and methods |
Justin C. Logan, Mojtaba Kazemi Miraki, Daniel W. Ahmoye, Patrick R. Derkacz, Barry Daniel Buternowsky |
2018-04-17 |
|
| 9932776 |
Pinned electromagnetic telemetry gap sub assembly |
Justin C. Logan, Patrick R. Derkacz, David A. Switzer |
2018-04-03 |
|
| 9920622 |
Transmitting data across electrically insulating gaps in a drill string |
David A. Switzer, Jili Liu, Mojtaba Kazemi Miraki |
2018-03-20 |
|
| 9915146 |
Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same |
Justin C. Logan, David A. Switzer |
2018-03-13 |
|
| 9909369 |
Electromagnetic telemetry gap sub assembly with insulating collar |
Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki |
2018-03-06 |
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