Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550666 | Slow response time tool | Britain A. Fisher, Timothy Cragin, Jason A. Allen, Rick Patterson, Emily Hanson | 2020-02-04 |
| 10119350 | Expandable junk mill | — | 2018-11-06 |
| 10100634 | Devices and methods to communicate information from below a surface cement plug in a plugged or abandoned well | Partha Ganguly, Sushant Dutta, Bennett M. Richard, Michael H. Johnson, John D. Macpherson | 2018-10-16 |
| 9915126 | High pressure circulating shoe track with redundant pressure isolation feature | Colin Andrew | 2018-03-13 |
| 9650853 | Downhole cutting and jacking system | — | 2017-05-16 |
| 9422966 | Shear member post shear segment retention apparatus | Levi B. Oberg, Gregory L. Hern, Jim H. Roddy, YingQing Xu | 2016-08-23 |
| 9284814 | Downhole tool with remotely actuated drag blocks and methods | Gabriel Slup | 2016-03-15 |
| 9284803 | One-way flowable anchoring system and method of treating and producing a well | Patrick C. Stone, Gregory L. Hern, Levi B. Oberg, Jim H. Roddy | 2016-03-15 |
| 9273526 | Downhole anchoring systems and methods of using same | Levi B. Oberg, Ying Xu, Gregory L. Hern | 2016-03-01 |
| 9080416 | Setting tool, anchoring and sealing device and system | YingQing Xu, Gregory L. Hern | 2015-07-14 |
| 8910722 | Slip-deployed anti-extrusion backup ring | David S. Bishop | 2014-12-16 |
| 8839874 | Packing element backup system | David S. Bishop, Antonio C. Ruffo | 2014-09-23 |
| 8714271 | Multi-purpose fill and circulate well tool | Malcolm Gray-Stephens, Gareth Dustin Sonnier, David H. Harris | 2014-05-06 |
| 7854268 | Deep water hurricane valve | Jason C. Mailand | 2010-12-21 |
| 7600572 | Drillable bridge plug | Gabriel Slup, Tommy J. Allen, Blake Cox, Donald W. Deel, Samuel Mark Zimmerman | 2009-10-13 |
| 7475736 | Self centralizing non-rotational slip and cone system for downhole tools | Gabriel Slup | 2009-01-13 |
| 7255178 | Drillable bridge plug | Gabriel Slup, Hubert Garrison, Tommy J. Allen, Blake Cox, Donald W. Deel +1 more | 2007-08-14 |
| 7163066 | Gravity valve for a downhole tool | — | 2007-01-16 |
| 6708768 | Drillable bridge plug | Gabriel Slup | 2004-03-23 |
| 6708770 | Drillable bridge plug | Gabriel Slup | 2004-03-23 |
| 6578633 | Drillable bridge plug | Gabriel Slup | 2003-06-17 |
| 6491108 | Drillable bridge plug | Gabriel Slup | 2002-12-10 |
| 6414905 | Method and apparatus for communicating coded messages in a wellbore | Steve C. Owens, Brett W. Bouldin, David Rothers, Michael W. Holcombe | 2002-07-02 |
| 6315041 | Multi-zone isolation tool and method of stimulating and testing a subterranean well | Stephen L. Carlisle | 2001-11-13 |
| 6006838 | Apparatus and method for stimulating multiple production zones in a wellbore | T. G. Whiteley, Michael A. Martin, Dennis Atchley | 1999-12-28 |