Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371374 | Sealing feed through lines for downhole swelling packers | Anthony P. Foster, Robert O. Castillo, Ammar A. Munshi, Gregory C. Badke, Nervy Enrique Faria | 2013-02-12 |
| 8347969 | Apparatus and method for compensating for pressure changes within an isolated annular space of a wellbore | Benjamin R. Orr, Aubrey C. Mills | 2013-01-08 |
| 8225861 | Sealing feed through lines for downhole swelling packers | Anthony P. Foster, Robert O. Castillo, Ammar A. Munshi, Gregory C. Badke, Nervy Enrique Faria | 2012-07-24 |
| 7997338 | Sealing feed through lines for downhole swelling packers | Anthony P. Foster, Robert O. Castillo, Ammar A. Munshi, Gregory C. Badke, Nervy Enrique Faria | 2011-08-16 |
| 7806193 | Swellable packer with back-up systems | Vel Berzin, Douglas J. Murray, Steven N. Bailey, Robert O. Castillo, Darwin D. Arline | 2010-10-05 |
| 7730940 | Split body swelling packer | Jeffery L. Knippa, Mark J. Knebel, Larry D. Johnson | 2010-06-08 |
| 7726407 | Anchor system for packers in well injection service | Bennett M. Richard, Yang Xu | 2010-06-01 |
| 7597152 | Swelling layer inflatable | Gregory C. Badke | 2009-10-06 |
| 7562704 | Delaying swelling in a downhole packer element | Edward J. O'Malley | 2009-07-21 |
| 7552777 | Self-energized downhole tool | Douglas J. Murray, Vel Berzin, Gregory C. Badke | 2009-06-30 |
| 7552767 | Closeable open cell foam for downhole use | — | 2009-06-30 |
| 7481277 | Method and apparatus for ECP element inflation utilizing solid laden fluid mixture | Michael Naquin | 2009-01-27 |
| 7441596 | Swelling element packer and installation method | Steven N. Bailey, Walter J. Laflin, Vel Berzin, James R. Korte, Edward J. O'Malley +1 more | 2008-10-28 |
| 7325621 | Method and apparatus for ECP element inflation utilizing solid laden fluid mixture | Michael Naquin | 2008-02-05 |
| 7234546 | Drilling and cementing casing system | Ray Vincent, Frank Koehrmann, George Givens, Christiaan D. Krauss, Friedhelm Makohl +1 more | 2007-06-26 |
| 7178603 | Method and apparatus for ECP element inflation utilizing solid laden fluid mixture | Michael Naquin | 2007-02-20 |
| 6725934 | Expandable packer isolation system | Martin P. Coronado, Benn Voll, Mohamed F. Khodaverdian, Ray Vincent, Van N. Ho | 2004-04-27 |
| 6260618 | Method for locating placement of a guide stock in a multilateral well | John P. Davis, Jim H. Roddy | 2001-07-17 |
| 6073692 | Expanding mandrel inflatable packer | John L. Baugh | 2000-06-13 |
| 6021850 | Downhole pipe expansion apparatus and method | Andrew Dobson | 2000-02-08 |
| 5443124 | Hydraulic port collar | Robert T. Brooks, Michael Dion, Derrel G. Gurley, Monty E. Harris | 1995-08-22 |
| 5348093 | Cementing systems for oil wells | George O. Suman, Jr., Robert T. Brooks | 1994-09-20 |
| 5271469 | Borehole stressed packer inflation system | Robert T. Brooks | 1993-12-21 |
| 5186258 | Horizontal inflation tool | David H. Surgnier, Robert T. Brooks | 1993-02-16 |
| 5082062 | Horizontal inflatable tool | David H. Surgnier, Robert T. Brooks | 1992-01-21 |