Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236040 | Method for determining the minimum principle horizontal stress within a formation through use of a wireline retrievable circumferential acoustic scanning tool during an open hole microfrac test | James J. Venditto, Milton B. Enderlin | 1993-08-17 |
| 5113942 | Method of opening cased well perforations | — | 1992-05-19 |