Issued Patents All Time
Showing 26–50 of 137 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494013 | Configurable and expandable fluid metering system | Kevin Michael Renkes | 2016-11-15 |
| 9428990 | Rotational wellbore test valve | Charles Frederick Carder | 2016-08-30 |
| 9304054 | Non-electronic air chamber pressure sensor | — | 2016-04-05 |
| 9291048 | System and method for triggering a downhole tool | Charles M. MacPhail | 2016-03-22 |
| 9284824 | Method and apparatus for expendable tubing-conveyed perforating gun | Javier Fadul, Paul Herman, Randy Moore, Michael Linley Fripp, Dennis Crowdis +2 more | 2016-03-15 |
| 9133686 | Downhole tester valve having rapid charging capabilities and method for use thereof | — | 2015-09-15 |
| 9121267 | System and method for triggering a downhole tool | Charles M. MacPhail | 2015-09-01 |
| 8997881 | Pressure bearing wall and support structure therefor | Adam Harold Martin, Donald H. Perkins | 2015-04-07 |
| 8973663 | Pump through circulating and or safety circulating valve | Charles Frederick Carder | 2015-03-10 |
| 8967257 | Method and apparatus for expendable tubing-conveyed perforating gun | Javier Fadul, Paul Herman, Randy Moore, Michael Linley Fripp, Dennis Crowdis +2 more | 2015-03-03 |
| 8960998 | System and method of mixing a formation fluid sample in a downhole sampling chamber with a magnetic mixing element | Paul Herman, Vincent P. Zeller, Donald H. Perkins | 2015-02-24 |
| 8814421 | Method of mixing a formation fluid sample by rotating a downhole sampling chamber | — | 2014-08-26 |
| 8794335 | Method and apparatus for expendable tubing-conveyed perforating gun | Javier Fadul, Paul Herman, Randy Moore, Michael Linley Fripp, Dennis Crowdis +2 more | 2014-08-05 |
| 8783370 | Deactivation of packer with safety joint | Scott Luke Miller | 2014-07-22 |
| 8757891 | Fiber optic splice housing and integral dry mate connector system | Neal G. Skinner, John L. Maida, David O. Johnson | 2014-06-24 |
| 8752620 | Systems and methods for single-phase fluid sampling | Vincent P. Zeller, Scott Luke Miller, Cyrus A. Irani | 2014-06-17 |
| 8733451 | Locking safety joint for use in a subterranean well | Reid Elliott Zevenbergen | 2014-05-27 |
| 8727315 | Ball valve | — | 2014-05-20 |
| 8727019 | Safety joint with non-rotational actuation | — | 2014-05-20 |
| 8714267 | Debris resistant internal tubular testing system | Cory L. Huggins | 2014-05-06 |
| 8701761 | System and method for triggering a downhole tool | Charles M. MacPhail | 2014-04-22 |
| 8701778 | Downhole tester valve having rapid charging capabilities and method for use thereof | — | 2014-04-22 |
| 8662180 | Rotational test valve with tension reset | Charles Frederick Carder | 2014-03-04 |
| 8607875 | Rotational wellbore test valve | Charles Frederick Carder | 2013-12-17 |
| 8550173 | Locking safety joint for use in a subterranean well | Reid Elliott Zevenbergen | 2013-10-08 |