Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513900 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2019-12-24 |
| 9447663 | Abrasive perforator with fluid bypass | Robert J. Farkas | 2016-09-20 |
| 9212522 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2015-12-15 |
| 9194181 | Motor and rotor catch assembly | Andrew M. Ferguson, Roger L. Schultz, Brett Fears, Robert J. Farkas | 2015-11-24 |
| 8905125 | Abrasive perforator with fluid bypass | Robert J. Farkas | 2014-12-09 |
| 8550155 | Jarring method and apparatus using fluid pressure to reset jar | Roger L. Schultz, Andrew M. Ferguson | 2013-10-08 |
| 8517108 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2013-08-27 |
| 8517105 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2013-08-27 |
| 8517106 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2013-08-27 |
| 8517107 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2013-08-27 |
| 8453745 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2013-06-04 |
| 8448700 | Abrasive perforator with fluid bypass | Robert J. Farkas | 2013-05-28 |
| 8439117 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2013-05-14 |
| 8381817 | Vortex controlled variable flow resistance device and related tools and methods | Roger L. Schultz, Andrew M. Ferguson | 2013-02-26 |
| 8365818 | Jarring method and apparatus using fluid pressure to reset jar | Roger L. Schultz, Andrew M. Ferguson | 2013-02-05 |
| 8230912 | Hydraulic bidirectional jar | — | 2012-07-31 |
| 7373974 | Downhole release tool and method | James C. Tucker | 2008-05-20 |
| 7306044 | Method and system for lining tubulars | James C. Tucker, Perry Courville | 2007-12-11 |
| 7237809 | Coiled tubing connector | — | 2007-07-03 |
| 7073582 | Method and apparatus for positioning a downhole tool | Stephen E. Tilghman | 2006-07-11 |
| 6959766 | Downhole ball drop tool | — | 2005-11-01 |
| 6877558 | Apparatus and method for locating joints in coiled tubing operations | Robert Howard, James C. Tucker, Douglas N. Love | 2005-04-12 |
| 6766853 | Apparatus for interconnecting continuous tubing strings having sidewall-embedded lines therein | Henry L. Restarick, John C. Gano, Patrick Laursen, Nicida Maerefat | 2004-07-27 |
| 6688389 | Apparatus and method for locating joints in coiled tubing operations | Robert Howard, James C. Tucker, Douglas N. Love | 2004-02-10 |
| 6561278 | Methods and apparatus for interconnecting well tool assemblies in continuous tubing strings | Henry L. Restarick, John C. Gano, Patrick Laursen, Nicida Maerefat | 2003-05-13 |