Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105155 | Rotary steerable drilling system and method with imbalanced force control | Zhiguo Ren, Xu Fu, Stewart Blake Brazil | 2021-08-31 |
| 11028646 | Hybrid rotary steerable system and method | Zhiguo Ren, Xu Fu, Stewart Blake Brazil | 2021-06-08 |
| 10995554 | Auto-adjustable directional drilling apparatus and method | Zhiguo Ren, Xu Fu, Stewart Blake Brazil | 2021-05-04 |
| 10907419 | Pinned coupling with shims for electric submersible pump | Brian Paul Reeves, Steven Alan Howell | 2021-02-02 |