Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318121 | Method and apparatus for locating and re-entering one or more horizontal wells using whipstock with sealable bores | Mark W. Brockman, L. Cameron White, Douglas J. Murray, Robert J. McNair | 1994-06-07 |
| 5311936 | Method and apparatus for isolating one horizontal production zone in a multilateral well | Robert J. McNair, Mark W. Brockman, L. Cameron White, Alfred R. Curington, Daniel S. Bangert | 1994-05-17 |