Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416596 | Installation of lines in high temperature wellbore environments | — | 2016-08-16 |
| 9127539 | Downhole packer assembly having a selective fluid bypass and method for use thereof | Tanner Allan Rathwell | 2015-09-08 |
| 8469089 | Process and apparatus to improve reliability of pinpoint stimulation operations | Jim B. Surjaatmadja, Fraser McNeil, Keith A. Rispler | 2013-06-25 |
| 8162047 | Reverse-circulation cementing of surface casing | Stephen Chase | 2012-04-24 |
| 7654324 | Reverse-circulation cementing of surface casing | Stephen Chase | 2010-02-02 |
| 7472746 | Packer apparatus with annular check valve | — | 2009-01-06 |
| 6474419 | Packer with equalizing valve and method of use | Marty Stromquist, Eric Schmelzl | 2002-11-05 |