Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094197 | Reverse cementation of liner string for formation stimulation | Jeffrey Lance Orita, Randal Brent Biedermann, Simon J. Harrall | 2018-10-09 |
| 9334700 | Reverse cementing valve | Andrew J. Hanson, Jozeph Robert Marcin, Randal Brent Biedemann, Clayton R. Andersen | 2016-05-10 |