| 11686159 |
Torsion resistant gap sub |
Luke Anthony Stack, Aaron W. Logan, Justin C. Logan, Mojtaba Kazemi Miraki, Patrick R. Derkacz +3 more |
2023-06-27 |
| 11280437 |
Sealed gap sub |
Luke Anthony Stack, Aaron W. Logan, Justin C. Logan, Patrick R. Derkacz, Gavin Gaw-Wae Lee +4 more |
2022-03-22 |
| 11105159 |
Torsion resistant gap sub |
Luke Anthony Stack, Aaron W. Logan, Justin C. Logan, Mojtaba Kazemi Miraki, Patrick R. Derkacz +3 more |
2021-08-31 |
| 10570726 |
Detection of downhole data telemetry signals |
Aaron W. Logan, David A. Switzer, Jili Liu |
2020-02-25 |
| 10400520 |
Electromagnetic telemetry gap sub assembly with insulating collar |
Aaron W. Logan, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki |
2019-09-03 |
| 10295060 |
Method for sealing a gap sub assembly |
Hasan Alper Hepguvendik, Aaron W. Logan, Justin C. Logan, Gavin Gaw-Wae Lee, Luke Anthony Stack +2 more |
2019-05-21 |
| 10196892 |
Detection of downhole data telemetry signals |
Aaron W. Logan, David A. Switzer, Jili Liu |
2019-02-05 |
| 10125904 |
Sealing gasket and method for creating same |
Hasan Alper Hepguvendik, Aaron W. Logan, Justin C. Logan, Gavin Gaw-Wae Lee, Luke Anthony Stack +2 more |
2018-11-13 |
| 9988855 |
Methods and apparatus for generating electromagnetic telemetry signals |
Aaron W. Logan, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki |
2018-06-05 |
| 9945227 |
Mixed-mode telemetry systems and methods |
Justin C. Logan, Mojtaba Kazemi Miraki, Aaron W. Logan, Patrick R. Derkacz, Barry Daniel Buternowsky |
2018-04-17 |
| 9909369 |
Electromagnetic telemetry gap sub assembly with insulating collar |
Aaron W. Logan, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki |
2018-03-06 |
| 9810030 |
Mud motor with integrated abrasion-resistant structure |
Aaron W. Logan, Kevin Kalman, Vincent Gille Berube |
2017-11-07 |
| 9670771 |
Methods and apparatus for generating electromagnetic telemetry signals |
Aaron W. Logan, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki |
2017-06-06 |
| 9664037 |
Detection of downhole data telemetry signals |
Aaron W. Logan, David A. Switzer, Jili Liu |
2017-05-30 |
| 9587441 |
Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement |
Aaron W. Logan, David A. Switzer, Patrick R. Derkacz, Justin C. Logan, Darcy A. Downs +1 more |
2017-03-07 |