Issued Patents All Time
Showing 26–50 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835008 | Method and apparatus for retaining weighted fluid in a tubular section | Earl Webb | 2017-12-05 |
| 9683416 | System and methods for recovering hydrocarbons | Earl Webb | 2017-06-20 |
| 9291007 | Floating apparatus and method for fabricating the apparatus | Robert P. Darbe, Paul Joseph Jones, Misty D. Rowe, Jeffery Dwane Karcher, Lonnie Carl Helms | 2016-03-22 |
| 9284795 | Riser displacement and cleaning systems and methods of use | David D. Szarka, Nicolas Rogozinski | 2016-03-15 |
| 9238952 | Annular isolation with tension-set external mechanical casing (EMC) packer | Steven L. Holden, Frank Acosta | 2016-01-19 |
| 9169721 | Expansion tool for non-cemented casing-casing annulus (CCA) wellbores | David D. Szarka, Derrick Eugene Strickland | 2015-10-27 |
| 9109437 | Method of using an expansion tool for non-cemented casing annulus (CCA) wellbores | David D. Szarka, Derrick Eugene Strickland | 2015-08-18 |
| 8739873 | System and method for fluid diversion and fluid isolation | Steve L. Holden | 2014-06-03 |
| 8695715 | Cement head | Phillip Standifer, Brett Fears, John T. Deville, Jr. | 2014-04-15 |
| 8474530 | Method and apparatus for a high side orienting sub for multi-lateral installations | David D. Szarka, Robert Pipkin | 2013-07-02 |
| 8381808 | Cement head | Phillip Standifer, Brett Fears, John T. Deville, Jr. | 2013-02-26 |
| 8276665 | Plug release apparatus | Earl Webb, Steve L. Holden, Steve Streich, Brock Watson | 2012-10-02 |
| 8267174 | Internal retention mechanism | Steve L. Holden, David D. Szarka | 2012-09-18 |
| 8230926 | Multiple stage cementing tool with expandable sealing element | Steven L. Holden, Alan Tancel Jackson | 2012-07-31 |
| 7938186 | Casing shoes and methods of reverse-circulation cementing of casing | Anthony M. Badalamenti, Simon Turton, Karl W. Blanchard, Ronald R. Faul, Michael G. Crowder +2 more | 2011-05-10 |
| 7866392 | Method and apparatus for sealing and cementing a wellbore | Brett Fears | 2011-01-11 |
| 7694732 | Diverter tool | Nicholas C. Braun, Steven L. Holden | 2010-04-13 |
| 7665520 | Multiple bottom plugs for cementing operations | David D. Szarka | 2010-02-23 |
| 7621336 | Casing shoes and methods of reverse-circulation cementing of casing | Anthony M. Badalamenti, Simon Turton, Karl W. Blanchard, Ronald R. Faul, Michael G. Crowder +2 more | 2009-11-24 |
| 7621337 | Casing shoes and methods of reverse-circulation cementing of casing | Anthony M. Badalamenti, Simon Turton, Karl W. Blanchard, Ronald R. Faul, Michael G. Crowder +2 more | 2009-11-24 |
| 7549475 | Systems for actuating a downhole tool | Thor Tjorswaag, Nichalos C. Braun, Brett Fears, Stein Olaussen | 2009-06-23 |
| 7533729 | Reverse cementing float equipment | Steven L. Holden, David D. Szarka | 2009-05-19 |
| 7503399 | Casing shoes and methods of reverse-circulation cementing of casing | Anthony M. Badalamenti, Simon Turton, Karl W. Blanchard, Ronald R. Faul, Michael G. Crowder +2 more | 2009-03-17 |
| 7472752 | Apparatus and method for forming multiple plugs in a wellbore | Frank Acosta | 2009-01-06 |
| 7451817 | Methods of using casing strings in subterranean cementing operations | B. Raghava Reddy, Anthony M. Badalamenti, Simon Turton, Karl W. Blanchard, Ronald R. Faul +2 more | 2008-11-18 |