Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927067 | Shifting sleeve with extrudable ball and dog | Levi B. Oberg, Andres Sosa, David Rabalais | 2024-03-12 |
| 11891869 | Torque mechanism for bridge plug | Andres Sosa, David Rabalais, Levi B. Oberg | 2024-02-06 |
| 11891868 | Extrusion ball actuated telescoping lock mechanism | Andres Sosa | 2024-02-06 |
| 11702888 | Window mill and whipstock connector for a resource exploration and recovery system | Philip M. Gregurek, Kevin Edgar Harrington, Gregory L. Hern, Valerie Ferdin, Gaute Grindhaug +2 more | 2023-07-18 |
| 11408241 | Downhole pulling tool with selective anchor actuation | Knut Inge Dahlberg, Waqas Munir, Mohsen Ali, Dan Wells, Andrew D. Ponder +2 more | 2022-08-09 |
| 11162315 | Window mill and whipstock connector for a resource exploration and recovery system | Kevin Edgar Harrington, Gregory L. Hern, Philip M. Gregurek, Valerie Ferdin, Gaute Grindhaug +1 more | 2021-11-02 |
| 10954732 | Hydraulically set open hole whipstock | Gregory L. Hern, James S. Trahan, Ewoud J. Hulsewe, Christopher R. Hern | 2021-03-23 |
| 10526856 | Hydraulically set open hole whipstock | Gregory L. Hern, James S. Trahan, Ewoud J. Hulsewe, Christopher R. Hern | 2020-01-07 |
| 10487605 | Method of wellbore isolation with cutting and pulling a string in a single trip | Jonathan F. Nelson, Philip M. Gregurek | 2019-11-26 |
| 10480248 | Whipstock valve with nozzle bypass feature | Dylan Bulloch, Gregory L. Hern, Larry T. Palmer | 2019-11-19 |
| 9926745 | Whipstock valve with nozzle bypass feature | Dylan Bulloch, Gregory L. Hern, Larry T. Palmer | 2018-03-27 |