Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006771 | Methods for expanding tubular strings and isolating subterranean zones | Annabel Green, Lev Ring, Colin McHardy, Simon J. Harrall, Gary Johnston | 2011-08-30 |
| 7543637 | Methods for expanding tubular strings and isolating subterranean zones | Annabel Green, Lev Ring, Colin McHardy, Simon J. Harrall, Gary Johnston | 2009-06-09 |
| 7275602 | Methods for expanding tubular strings and isolating subterranean zones | Annabel Green, Lev Ring, Colin McHardy, Simon J. Harrall, Gary Johnston | 2007-10-02 |
| 7086478 | Apparatus and methods for expanding tubulars in a wellbore | David M. Haugen | 2006-08-08 |
| 7004257 | Apparatus and methods for separating and joining tubulars in a wellbore | Kevin O. Trahan | 2006-02-28 |
| 6991040 | Method and apparatus for locking out a subsurface safety valve | Thomas G. Hill, Jr., Thomas M. Deaton, Rory L. Hodge | 2006-01-31 |
| 6902000 | Apparatus and methods for expanding tubulars in a wellbore | David M. Haugen | 2005-06-07 |
| 6899181 | Methods and apparatus for expanding a tubular within another tubular | Kevin O. Trahan | 2005-05-31 |
| 6851475 | Apparatus and methods for separating and joining tubulars in a wellbore | Kevin O. Trahan | 2005-02-08 |
| 6712142 | Apparatus and methods for expanding tubulars in a wellbore | David M. Haugen | 2004-03-30 |
| 6708762 | Methods and apparatus for forming a lateral wellbore | David M. Haugen, Frederick T. Tilton, Kevin L. Gray, Robert P. Badrak, David J. Brunnert | 2004-03-23 |
| 6698517 | Apparatus, methods, and applications for expanding tubulars in a wellbore | Mark E. Hopmann | 2004-03-02 |
| 6695063 | Expansion assembly for a tubular expander tool, and method of tubular expansion | J. Eric Lauritzen, A. Craig Mackay | 2004-02-24 |
| 6688395 | Expandable tubular having improved polished bore receptacle protection | Patrick Maguire, Robert Coon, J. Eric Lauritzen, Khai Tran, A. Craig Mackay | 2004-02-10 |
| 6598678 | Apparatus and methods for separating and joining tubulars in a wellbore | Kevin O. Trahan | 2003-07-29 |
| 6578630 | Apparatus and methods for expanding tubulars in a wellbore | David M. Haugen | 2003-06-17 |
| 6536525 | Methods and apparatus for forming a lateral wellbore | David M. Haugen, Frederick T. Tilton, Kevin L. Gray, Robert P. Badrak, David J. Brunnert | 2003-03-25 |