Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38642 | Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes | — | 2004-11-02 |
| RE38636 | Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical oil wells connected to liner-equipped multiple drainholes | — | 2004-10-26 |