Issued Patents 2020
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844692 | Subsurface wellbore wiper deployment system and method of use | Tim Griffin, Henry E. Rogers | 2020-11-24 |
| 10767440 | Wiper dart with reinforced drive element | Todd Anthony Stair, Carlos Valdez | 2020-09-08 |
| 10718179 | Wellbore isolation devices and methods of use | Todd Anthony Stair, Michael Dale Ezell | 2020-07-21 |
| 10689943 | Wellbore isolation devices and methods of use | Todd Anthony Stair, Michael Dale Ezell | 2020-06-23 |
| 10648286 | Methods for cementing a well using a switchable crossover device | Bo Gao, Lonnie Carl Helms, Aniruddha D. Gadre, Yuzhu Hu | 2020-05-12 |
| 10557329 | Systems and methods for controlling fluid flow in a wellbore using a switchable downhole crossover tool with rotatable sleeve | Bo Gao, Lonnie Carl Helms, Aniruddha D. Gadre, Yuzhu Hu | 2020-02-11 |