Issued Patents 1994
Showing 1–4 of 4 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 | Alfred R. Curington, 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, Alfred R. Curington | 1994-07-05 |
| 5318121 | Method and apparatus for locating and re-entering one or more horizontal wells using whipstock with sealable bores | Mark W. Brockman, Douglas J. Murray, Robert J. McNair, Jeffrey D. Cockrell | 1994-06-07 |
| 5311936 | Method and apparatus for isolating one horizontal production zone in a multilateral well | Robert J. McNair, Mark W. Brockman, Jeffrey D. Cockrell, Alfred R. Curington, Daniel S. Bangert | 1994-05-17 |