Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279658 | Method of forming and servicing wellbores from a main wellbore | Joseph F. Donovan, Roger P. Herbert, Michael H. Johnson | 2001-08-28 |
| 6012526 | Method for sealing the junctions in multilateral wells | Steven L. Jennings, James Kenneth Whanger, Arne Gunnar Larsen, John L. Baugh, Brian Wood +8 more | 2000-01-11 |