Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920529 | Surface controlled wireline retrievable safety valve | Case Nienhuis | 2021-02-16 |
| 10724332 | Low-power electric safety valve | Robert C. Henschel, Samuel E. Herod, Paul R. Boriack, Shane W. Pfaff, Thomas G. Hill, Jr. | 2020-07-28 |
| 10704361 | Method and apparatus for injecting fluid into spaced injection zones in an oil/gas well | Thomas G. Hill, Jr. | 2020-07-07 |
| 10458203 | Pressure cycle actuated injection valve | Thomas G. Hill, Jr. | 2019-10-29 |
| 10443338 | Pressure actuated frack ball releasing tool | Daniel S. Matthews, Steve Rosenblatt | 2019-10-15 |
| 10309175 | High flow downhole lock | — | 2019-06-04 |
| 10294755 | Dual barrier injection valve with a variable orifice | Thomas G. Hill, Jr. | 2019-05-21 |
| 10267099 | Isolation sleeve for downhole equipment | — | 2019-04-23 |
| 10232919 | Multi-vessel process to install and recover subsea equipment packages | James E. Chitwood, Art J. Schroeder, Jr., Timothy T. Krasin | 2019-03-19 |
| 10190390 | Pressure actuated ported sub for subterranean cement completions | Justin Kellner, James S. Sanchez, Paul Madero, Charles Johnson, Robert W. Putch | 2019-01-29 |
| 10018022 | Method and apparatus for injecting fluid into spaced injection zones in an oil/gas well | Thomas G. Hill, Jr. | 2018-07-10 |
| 9920593 | Dual barrier injection valve with a variable orifice | Thomas G. Hill, Jr. | 2018-03-20 |
| 9816350 | Delayed opening pressure actuated ported sub for subterranean use | Christopher K. Elliott, Tyler C. Roberts | 2017-11-14 |
| 9810036 | Pressure actuated frack ball releasing tool | Daniel S. Matthews, Steve Rosenblatt | 2017-11-07 |
| 9677379 | Completion, method of completing a well, and a one trip completion arrangement | — | 2017-06-13 |
| 9650857 | Method of selective release of an object to a seat on a frack plug from immediately adjacent the frack plug | Daniel S. Matthews | 2017-05-16 |
| 9593560 | Method of recovery of an occluding object for a frack plug in the event of gun misfire | Daniel S. Matthews | 2017-03-14 |
| 9523260 | Dual barrier injection valve | Thomas G. Hill, Jr. | 2016-12-20 |
| 9518440 | Bridge plug with selectivity opened through passage | James S. Sanchez, Maria A. Avalos, Dennis M. Collins, Jeffrey D. Kitzman, Christopher K. Elliott | 2016-12-13 |
| 9359887 | Recoverable data acquisition system and method of sensing at least one parameter of a subterranean bore | James L. Miller, Elias Pena, James S. Sanchez, William B. Handy, Christopher K. Elliott +1 more | 2016-06-07 |
| 9359865 | Pressure actuated ported sub for subterranean cement completions | Justin Kellner, James S. Sanchez, Paul Madero, Charles Johnson, Robert W. Putch | 2016-06-07 |
| 9260961 | Modular monitoring assembly | James L. Miller | 2016-02-16 |
| 9212547 | Monitoring device for plug assembly | James L. Miller, Daniel S. Matthews | 2015-12-15 |
| 9068429 | Dissolvable tool and method of dissolving same | Charles Johnson, Jeffery D. Kitzman | 2015-06-30 |
| 8910717 | Frangible pressure control plug, actuatable tool including the plug, and method thereof | Justin Kellner | 2014-12-16 |