Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823273 | Well stabilization tools and methods | Krishna M. Ravi, Robert M. Beirute, Alan B. Duell, Henry E. Rogers, Earl Webb | 1998-10-20 |
| 5711375 | Well stabilization tools and methods | Krishna M. Ravi, Robert M. Beirute, Alan B. Duell, Henry E. Rogers, Earl Webb | 1998-01-27 |
| 5647434 | Floating apparatus for well casing | Bobby L. Sullaway, Henry E. Rogers | 1997-07-15 |
| 5641021 | Well casing fill apparatus and method | Henry E. Rogers, Bobby L. Sullaway, Earl Webb | 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, Earl Webb | 1996-10-15 |
| 5472053 | Leakproof floating apparatus and method for fabricating said apparatus | Bobby L. Sullaway, Henry E. Rogers | 1995-12-05 |