Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7401645 | Downhole fluid disposal apparatus and methods | Bruce D. Kelso | 2008-07-22 |
| 7150315 | Downhole fluid disposal apparatus and methods | Bruce D. Kelso | 2006-12-19 |
| 6886636 | Downhole fluid disposal apparatus and methods | Bruce Kelvo | 2005-05-03 |
| 6193483 | Full flow tubing stationary valve pump apparatus | — | 2001-02-27 |
| 5979552 | Dual annulus production tool | Jeff Miller | 1999-11-09 |
| 5579838 | Above production disposal tool | — | 1996-12-03 |
| 5425416 | Formation injection tool for down-bore in-situ disposal of undesired fluids | Michael N. Hammeke, Bill Henderson, II | 1995-06-20 |