Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823273 | Well stabilization tools and methods | Krishna M. Ravi, Robert M. Beirute, Alan B. Duell, Henry E. Rogers, Dick A. Murray | 1998-10-20 |
| 5711375 | Well stabilization tools and methods | Krishna M. Ravi, Robert M. Beirute, Alan B. Duell, Henry E. Rogers, Dick A. Murray | 1998-01-27 |
| 5641021 | Well casing fill apparatus and method | Dick A. Murray, Henry E. Rogers, Bobby L. Sullaway | 1997-06-24 |
| 5564500 | Apparatus and method for removing gelled drilling fluid and filter cake from the side of a well bore | Henry E. Rogers, Dick A. Murray | 1996-10-15 |