Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863130 | Multi-layer deformable composite construction for use in a subterranean well | David Joe Steele | 2005-03-08 |
| 6854521 | System and method for creating a fluid seal between production tubing and well casing | Ralph H. Echols, Tommie A. Freeman | 2005-02-15 |
| 6854522 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, William David Henderson +12 more | 2005-02-15 |