Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415863 | Apparatus and method for hanging tubulars in wells | Jefferey D. Herndon | 2002-07-09 |
| 6098717 | Method and apparatus for hanging tubulars in wells | Gary Lee Bailey, Sherman R. Warren, Ross S. Woods | 2000-08-08 |
| 5871050 | Well completion method | Richard M. Dobson, Jefferey D. Herndon | 1999-02-16 |
| 5829525 | Bypass tool | Richard M. Dobson, Jeffrey D. Herndon | 1998-11-03 |
| 5823254 | Well completion tool | Richard M. Dobson, Jefferey D. Herndon | 1998-10-20 |
| 5735345 | Shear-out landing adapter | Richard M. Dobson, Jefferey D. Herndon | 1998-04-07 |
| 5732775 | Multiple casing segment cementing system | Richard M. Dobson, Jefferey D. Herndon | 1998-03-31 |
| 5613567 | Process for completing a well | — | 1997-03-25 |
| 5535824 | Well tool for completing a well | — | 1996-07-16 |
| 5531273 | Well completion tool and process | Richard M. Dobson, Jefferey D. Herndon | 1996-07-02 |
| 5497840 | Process for completing a well | — | 1996-03-12 |
| 5425423 | Well completion tool and process | Richard M. Dobson, Jefferey D. Herndon | 1995-06-20 |