Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002044 | Coupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore | Gerald D. Lynde, Edward J. O'Malley | 2011-08-23 |
| 7971646 | Multi-position valve for fracturing and sand control and associated completion methods | Douglas J. Murray, Robert S. O'Brien, Sean L. Gaudette | 2011-07-05 |
| 7963322 | Large bore packer and methods of setting same | Bennett M. Richard, Edward J. O'Malley, Yang Xu, Larry Urban | 2011-06-21 |
| 7712538 | Method and apparatus for multi-positioning a sleeve | — | 2010-05-11 |
| 7694746 | Large bore packer and methods of setting same | Bennett M. Richard, Edward J. O'Malley, Yang Xu, Larry Urban | 2010-04-13 |
| 7624797 | Downhole tool operated by shape memory material | — | 2009-12-01 |
| 7604061 | Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore | Gerald D. Lynde, Edward J. O'Malley | 2009-10-20 |
| 7581595 | Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore | Gerald D. Lynde, Edward J. O'Malley | 2009-09-01 |
| 7578348 | Overshot tool for retrieving an object in a well and methods of use therefor | — | 2009-08-25 |
| 7540329 | Casing coupler liner hanger mechanism | Gerald D. Lynde, Edward J. O'Malley | 2009-06-02 |
| 7537060 | Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore | Gerald D. Lynde, Edward J. O'Malley | 2009-05-26 |
| 7503388 | Circumferentially loaded slip-type overshot retrieval tool | Gerald D. Lynde, Douglas J. Murray | 2009-03-17 |
| 7431096 | Embedded flex-lock slip liner hanger | — | 2008-10-07 |
| 7383891 | Hydraulic set permanent packer with isolation of hydraulic actuator and built in redundancy | Timothy Wootan, Paul Zutz, John L. Baugh, Kenneth Almond | 2008-06-10 |