Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9284795 | Riser displacement and cleaning systems and methods of use | Henry E. Rogers, Nicolas Rogozinski | 2016-03-15 |
| 9238954 | Pressure activated down hole systems and methods | Frank Acosta, Nicholas Frederick Budler | 2016-01-19 |
| 9169721 | Expansion tool for non-cemented casing-casing annulus (CCA) wellbores | Henry E. Rogers, Derrick Eugene Strickland | 2015-10-27 |
| 9109437 | Method of using an expansion tool for non-cemented casing annulus (CCA) wellbores | Henry E. Rogers, Derrick Eugene Strickland | 2015-08-18 |
| 9033056 | Pressure activated down hole systems and methods | Frank Acosta, Nicholas Frederick Budler | 2015-05-19 |
| 8967255 | Subsurface release cementing plug | David Levie | 2015-03-03 |
| 8474530 | Method and apparatus for a high side orienting sub for multi-lateral installations | Henry E. Rogers, Robert Pipkin | 2013-07-02 |
| 8267174 | Internal retention mechanism | Henry E. Rogers, Steve L. Holden | 2012-09-18 |
| 7686092 | Plug systems and methods for using plugs in subterranean formations | — | 2010-03-30 |
| 7673688 | Casing wiping dart with filtering layer | Desmond Jones, Brett Fears, Earl Webb | 2010-03-09 |
| 7665520 | Multiple bottom plugs for cementing operations | Henry E. Rogers | 2010-02-23 |
| 7584792 | Plug systems and methods for using plugs in subterranean formations | — | 2009-09-08 |
| 7533729 | Reverse cementing float equipment | Henry E. Rogers, Steven L. Holden | 2009-05-19 |
| 7506686 | Diverter plugs for use in well bores and associated methods of use | — | 2009-03-24 |
| 7350578 | Diverter plugs for use in well bores and associated methods of use | William W. Gilbert, David Burkhead, Henry E. Rogers, Nicholas C. Braun, Todd D. Cooper +1 more | 2008-04-01 |
| 7322413 | Equalizer valve assembly | Henry E. Rogers, Brett Fears | 2008-01-29 |
| 7255162 | Methods and apparatus for use in subterranean cementing operations | Michael D. Stevens, Kevin T. Berscheidt, Henry E. Rogers, Brett Fears | 2007-08-14 |
| 7182135 | Plug systems and methods for using plugs in subterranean formations | — | 2007-02-27 |
| 6973966 | Compressible darts and methods for using these darts in subterranean wells | — | 2005-12-13 |
| 6880636 | Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring | Henry E. Rogers, Michael Dodson, Earl Webb, Frank Acosta | 2005-04-19 |
| 6810958 | Circulating cementing collar and method | Henry E. Rogers | 2004-11-02 |
| 6772835 | Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring | Henry E. Rogers, Michael Dodson, Earl Webb, Frank Acosta | 2004-08-10 |
| 6725935 | PDF valve | Hank Rogers | 2004-04-27 |
| 6651743 | Slim hole stage cementer and method | — | 2003-11-25 |
| 6571876 | Fill up tool and mud saver for top drives | — | 2003-06-03 |