Issued Patents All Time
Showing 76–87 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598686 | Method and system for enhanced access to a subterranean zone | — | 2003-07-29 |
| 6595301 | Single-blade underreamer | Lawrence W. Diamond, Harold E. Payne | 2003-07-22 |
| 6575235 | Subterranean drainage pattern | Monty H. Rial | 2003-06-10 |
| 6561288 | Method and system for accessing subterranean deposits from the surface | — | 2003-05-13 |
| 6497556 | Fluid level control for a downhole well pumping system | Monty H. Rial | 2002-12-24 |
| 6478085 | System for accessing subterranean deposits from the surface | — | 2002-11-12 |
| 6454000 | Cavity well positioning system and method | — | 2002-09-24 |
| 6439320 | Wellbore pattern for uniform access to subterranean deposits | — | 2002-08-27 |
| 6425448 | Method and system for accessing subterranean zones from a limited surface area | Monty H. Rial | 2002-07-30 |
| 6412556 | Cavity positioning tool and method | — | 2002-07-02 |
| 6357523 | Drainage pattern with intersecting wells drilled from surface | — | 2002-03-19 |
| 6280000 | Method for production of gas from a coal seam using intersecting well bores | — | 2001-08-28 |