Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935431 | Well reference apparatus and method | John E. Campbell, Wei Xu | 2005-08-30 |
| 6899183 | Casing attachment method and apparatus | John E. Campbell, Wei Xu | 2005-05-31 |
| 6880631 | Whipstock casing milling system | Bruce McGarian | 2005-04-19 |
| 6840320 | Method and apparatus for forming an optimized window | Brian Cruickshank | 2005-01-11 |