Issued Patents 2021
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162321 | Multi-zone well treatment | Andrew M. Ferguson, Roger L. Schultz | 2021-11-02 |
| 11125052 | Frac valve | Gregory Albert Kliewer, Brett Fears | 2021-09-21 |
| 11041352 | Advancement of a tubular string into a wellbore | Andrew M. Ferguson, Roger L. Schultz | 2021-06-22 |
| 11034001 | Retention apparatus for portions of adjustable wrench | Roger L. Schultz, Greg A. Kliewer, Andy Ferguson | 2021-06-15 |
| 11022248 | Plugging undesired openings in fluid vessels | Randy C. Tolman, Roger L. Schultz | 2021-06-01 |
| 11015407 | Flapper valve tool | Roger L. Schultz, Andy Ferguson | 2021-05-25 |
| 11002106 | Plugging device deployment in subterranean wells | Andrew M. Ferguson, Roger L. Schultz, Gary P. Funkhouser, Jenna N. Robertson | 2021-05-11 |
| 10989032 | Well completion | Andrew M. Ferguson, Stanley W. Loving, Roger L. Schultz, Mark S. Britton | 2021-04-27 |
| 10975643 | Downhole disconnect tool | Roger L. Schultz, Andrew M. Ferguson, Gregory Albert Kliewer, Mark S. Britton | 2021-04-13 |
| 10927639 | Methods of completing a well and apparatus therefor | Gary P. Funkhouser | 2021-02-23 |
| 10907430 | Plugging devices and deployment in subterranean wells | Gary P. Funkhouser, Andrew M. Ferguson, Jenna N. Robertson, Roger L. Schultz | 2021-02-02 |
| 10900312 | Plugging devices and deployment in subterranean wells | Gary P. Funkhouser, Andrew M. Ferguson, Jenna N. Robertson, Roger L. Schultz | 2021-01-26 |