Issued Patents All Time
Showing 26–50 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7861775 | Casing patch | Larry T. Palmer | 2011-01-04 |
| 7857078 | Cutting tools and methods of making the same | — | 2010-12-28 |
| 7635033 | Downhole abrading tool having taggants for indicating excessive wear | — | 2009-12-22 |
| 7617867 | Overshot tool | Malcolm D. Pitman | 2009-11-17 |
| 7604061 | Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore | Peter J. Fay, Edward J. O'Malley | 2009-10-20 |
| 7600581 | Downhole abrading tools having fusible material and uses therefor | Yang Xu | 2009-10-13 |
| 7588101 | Radially expandable downhole fluid jet cutting tool having an inflatable member | Mary L. Laird | 2009-09-15 |
| 7581595 | Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore | Peter J. Fay, Edward J. O'Malley | 2009-09-01 |
| 7575070 | Downhole abrading tools having excessive wear indicator | Sean L. Gaudette, Yang Xu | 2009-08-18 |
| 7565928 | Downhole abrading tool having a taggant injection assembly for indicating excessive wear | Darrin L. Willauer | 2009-07-28 |
| 7559371 | Method and apparatus for centralizing through tubing milling assemblies | Shantur S. Tapar, Steve Rosenblatt | 2009-07-14 |
| 7540329 | Casing coupler liner hanger mechanism | Peter J. Fay, Edward J. O'Malley | 2009-06-02 |
| 7537060 | Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore | Peter J. Fay, Edward J. O'Malley | 2009-05-26 |
| 7503388 | Circumferentially loaded slip-type overshot retrieval tool | Peter J. Fay, Douglas J. Murray | 2009-03-17 |
| 7484571 | Downhole abrading tools having excessive wear indicator | Sean L. Gaudette, Yang Xu | 2009-02-03 |
| 7478687 | Coiled tubing conveyed milling | John P. Davis | 2009-01-20 |
| 7472745 | Well cleanup tool with real time condition feedback to the surface | John P. Davis, Steve Rosenblatt | 2009-01-06 |
| 7464771 | Downhole abrading tool having taggants for indicating excessive wear | — | 2008-12-16 |
| 7455110 | In-situ creation of drilling deflector | — | 2008-11-25 |
| 7434633 | Radially expandable downhole fluid jet cutting tool | Mary L. Laird | 2008-10-14 |
| 7426964 | Release mechanism for downhole tool | Tracey Tollefsbol, Steve Wilson | 2008-09-23 |
| 7424910 | Downhole abrading tools having a hydrostatic chamber and uses therefor | Yang Xu | 2008-09-16 |
| 7422068 | Casing patch overshot | — | 2008-09-09 |
| 7404457 | Downhole abrading tools having fusible material and methods of detecting tool wear | Yang Xu | 2008-07-29 |
| 7222669 | Method of repair of collapsed or damaged tubulars downhole | James Sonnier, John L. Baugh | 2007-05-29 |