Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938186 | Casing shoes and methods of reverse-circulation cementing of casing | Anthony M. Badalamenti, Simon Turton, Karl W. Blanchard, Ronald R. Faul, Michael G. Crowder +2 more | 2011-05-10 |
| 7866392 | Method and apparatus for sealing and cementing a wellbore | Brett Fears | 2011-01-11 |