Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9470074 | Device and method for improving gas lift | Joseph D. Clark | 2016-10-18 |
| 8256508 | Downhole safety valve apparatus and method | David R. Smith | 2012-09-04 |
| 8251147 | Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation | Maximiliano Mondelli, Don Sanders | 2012-08-28 |
| 8196663 | Dead string completion assembly with injection system and methods | — | 2012-06-12 |
| 8167046 | Method and apparatus to hydraulically bypass a well tool | Thomas G. Hill, Jr., David R. Smith | 2012-05-01 |
| 7980315 | System and method for selectively communicatable hydraulic nipples | Dewayne Turner | 2011-07-19 |
| 7963334 | Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation | Thomas G. Hill, Jr., Jason C. Mailand, Cecil G. McGavern, III, Winfield M. Sides, III | 2011-06-21 |
| 7954551 | System and method for thru tubing deepening of gas lift | — | 2011-06-07 |
| 7934550 | Wellhead assembly and method for an injection tubing string | Blane Cole, Thomas G. Hill, Jr. | 2011-05-03 |
| 7913769 | Downhole safety valve apparatus and method | David R. Smith | 2011-03-29 |
| 7913754 | Wellhead assembly and method for an injection tubing string | — | 2011-03-29 |
| 7886830 | Downhole safety valve apparatus and method | David R. Smith | 2011-02-15 |
| 7861786 | Method and apparatus for fluid bypass of a well tool | Thomas G. Hill, Jr., David R. Smith | 2011-01-04 |
| 7823648 | Downhole safety valve apparatus and method | David R. Smith | 2010-11-02 |
| 7775776 | Method and apparatus to pump liquids from a well | — | 2010-08-17 |
| 7770653 | Wellbore bypass method and apparatus | Thomas G. Hill, Jr. | 2010-08-10 |
| 7721805 | Method and apparatus to hydraulically bypass a well tool | Thomas G. Hill, Jr., David R. Smith | 2010-05-25 |
| 7712537 | Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation | Thomas G. Hill, Jr., Jason C. Mailand, Cecil G. McGavern, III, Winfield M. Sides, III | 2010-05-11 |
| 7637326 | Downhole safety valve apparatus and method | David R. Smith | 2009-12-29 |