Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353876 | Method and apparatus for sealing the juncture between a verticle well and one or more horizontal wells using mandrel means | L. Cameron White, Daniel S. Bangert | 1994-10-11 |
| 5325924 | Method and apparatus for locating and re-entering one or more horizontal wells using mandrel means | Daniel S. Bangert, L. Cameron White | 1994-07-05 |
| 5311936 | Method and apparatus for isolating one horizontal production zone in a multilateral well | Robert J. McNair, Mark W. Brockman, L. Cameron White, Jeffrey D. Cockrell, Daniel S. Bangert | 1994-05-17 |