Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318131 | Hydraulically actuated liner hanger arrangement and method | — | 1994-06-07 |
| 5018582 | Hydraulic running and release tool with mechanical emergency release | — | 1991-05-28 |
| 4854383 | Manifold arrangement for use with a top drive power unit | Ronald Arnold, Gerald R. Atol | 1989-08-08 |
| 4854386 | Method and apparatus for stage cementing a liner in a well bore having a casing | Britt O. Braddick | 1989-08-08 |
| 4776395 | Well bore treating fluid tool | Mark J. Murray | 1988-10-11 |
| 4688642 | Rotatable liner with multiple simultaneously set liner hanger arrangement and method | — | 1987-08-25 |
| 4646842 | Retrievable well bore assembly | Ronald Arnold, Billy R. Goodman | 1987-03-03 |
| 4391325 | Liner and hydraulic liner hanger setting arrangement | Ronald Arnold | 1983-07-05 |