Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5241475 | Method of evaluating fluid loss in subsurface fracturing operations | David E. McMechan, Billy W. McDaniel | 1993-08-31 |
| 4848461 | Method of evaluating fracturing fluid performance in subsurface fracturing operations | — | 1989-07-18 |