Issued Patents All Time
Showing 1–25 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421832 | Multi-zone perforate and treat method | Andrew M. Ferguson, Roger L. Schultz | 2025-09-23 |
| 12315306 | Parking payment transactions | — | 2025-05-27 |
| 12180792 | Circulating valve and associated system and method | James C. Tucker | 2024-12-31 |
| 12152472 | Method of treating an interval via selected perforations/clusters in a subterranean well | Randy C. Tolman, Erik Jorgensen, Roger L. Schultz, Gary P. Funkhouser | 2024-11-26 |
| 12139992 | Discrete plugging device launcher | Erik Jorgensen | 2024-11-12 |
| 12065899 | Well operations with grouped particle diverter plug | Gary P. Funkhouser, Roger L. Schultz | 2024-08-20 |
| 11993994 | Jarring tool and method of use | Roger L. Schultz, Gary P. Funkhouser, Gregory Albert Kliewer | 2024-05-28 |
| 11939834 | Methods of completing a well and apparatus therefor | Gary P. Funkhouser | 2024-03-26 |
| 11851611 | Flow control in subterranean wells | Roger L. Schultz, Andrew M. Ferguson, Gary P. Funkhouser | 2023-12-26 |
| 11773667 | Circulating valve and associated system and method | James C. Tucker | 2023-10-03 |
| 11761295 | Plugging device deployment | Gary P. Funkhouser, Roger L. Schultz, Gregory Albert Kliewer | 2023-09-19 |
| 11668147 | Circulating valve and associated system and method | Roger L. Schultz, James C. Tucker | 2023-06-06 |
| 11585173 | Fluid flow control during well treatment | Gary P. Funkhouser | 2023-02-21 |
| 11566498 | Multi-zone perforate and treat system and method | Andrew M. Ferguson, Roger L. Schultz | 2023-01-31 |
| 11560756 | Rotational speed reduction in downhole tool assemblies | Roger L. Schultz, Brett Fears | 2023-01-24 |
| 11519240 | Fluid flow control during well treatment | Gary P. Funkhouser | 2022-12-06 |
| 11466532 | Dislodging tools, systems and methods for use with a subterranean well | Roger L. Schultz, Gregory Albert Kliewer | 2022-10-11 |
| 11434693 | Downhole tool assembly advancement through wellbore | Roger L. Schultz, Brett Fears | 2022-09-06 |
| 11427751 | Flow control in subterranean wells | Roger L. Schultz, Andrew M. Ferguson, Gary P. Funkhouser | 2022-08-30 |
| 11377926 | Plugging device deployment | Gary P. Funkhouser | 2022-07-05 |
| 11333000 | Methods of completing a well and apparatus therefor | Gary P. Funkhouser | 2022-05-17 |
| 11332989 | Downhole disconnect tool | Roger L. Schultz, Andrew M. Ferguson, Gregory Albert Kliewer, Mark S. Britton | 2022-05-17 |
| 11293578 | Plugging undesired openings in fluid conduits | Robert Phillis, Randy C. Tolman, Roger L. Schultz, Andrew M. Ferguson | 2022-04-05 |
| 11242727 | Flow control in subterranean wells | Gary P. Funkhouser, Roger L. Schultz, Andrew M. Ferguson | 2022-02-08 |
| 11162321 | Multi-zone well treatment | Andrew M. Ferguson, Roger L. Schultz | 2021-11-02 |