Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8463664 | Serialization and database methods for tubulars and oilfield equipment | Paul Steven Griggs, Patrick M. Ljungdahl, Stephen Sarradet, Larry Williams, Matthew G. Miller +1 more | 2013-06-11 |
| 8347982 | System and method for managing heave pressure from a floating rig | Don M. Hannegan, Thomas F. Bailey | 2013-01-08 |
| 8286734 | Low profile rotating control device | Don M. Hannegan, Thomas F. Bailey, James W. Chambers, David R. Woodruff | 2012-10-16 |
| 8122975 | Annulus pressure control drilling systems and methods | Gary Belcher, Adrian Steiner, Kevin Schmigel, David J. Brunnert, Darcy Nott +2 more | 2012-02-28 |
| 8028749 | Expanding multiple tubular portions | Colin McHardy | 2011-10-04 |
| 8016033 | Continuous flow drilling systems and methods | David Iblings, Thomas F. Bailey, Ram K. Bansal, Adrian Steiner, Michael Lynch | 2011-09-13 |
| 8006771 | Methods for expanding tubular strings and isolating subterranean zones | Annabel Green, Lev Ring, Colin McHardy, Gary Johnston, Neil A. A. Simpson | 2011-08-30 |
| 7950450 | Apparatus and methods of cleaning and refinishing tubulars | Burt Martin | 2011-05-31 |
| 7913555 | Tubing expansion | Annabel Green | 2011-03-29 |
| 7836973 | Annulus pressure control drilling systems and methods | Gary Belcher, Adrian Steiner, Kevin Schmigel, David J. Brunnert, Darcy Nott +2 more | 2010-11-23 |
| 7798536 | Reverse sliding seal for expandable tubular connections | Ghazi J. Hashem, Lev Ring, Merle E. Evans | 2010-09-21 |
| 7726395 | Expanding multiple tubular portions | Colin McHardy | 2010-06-01 |
| 7634942 | Tubing expansion | Annabel Green | 2009-12-22 |
| 7591059 | Expansion activated anti-rotation device | Iain Macaulay | 2009-09-22 |
| 7578043 | Coupling tubulars | Neil Andrew Abercrombie Simpson, Paul David Metcalfe, Neil James Glover, David Stephenson, Andrew Duggan | 2009-08-25 |
| 7575060 | Collapse resistance of tubing | David Hillis, Paul David Metcalfe | 2009-08-18 |
| 7543637 | Methods for expanding tubular strings and isolating subterranean zones | Annabel Green, Lev Ring, Colin McHardy, Gary Johnston, Neil A. A. Simpson | 2009-06-09 |
| 7500389 | Tubing expansion | Annabel Green | 2009-03-10 |
| 7475735 | Tubular hanger and method of lining a drilled bore | Paul David Metcalfe, Paul Rennison | 2009-01-13 |
| 7434622 | Compliant cone for solid liner expansion | Mike A. Luke | 2008-10-14 |
| 7410001 | Coupling and sealing tubulars in a bore | Neil Andrew Abercrombie Simpson | 2008-08-12 |
| 7387169 | Expandable tubulars | Robert Coon | 2008-06-17 |
| 7387168 | Sealing tubing | Peter Ellington, Paul David Metcalfe, Iain Macaulay | 2008-06-17 |
| 7380839 | Sealing expandable tubing | Peter Ellington, Paul David Metcalfe, Iain Macaulay | 2008-06-03 |
| 7373990 | Method and apparatus for expanding and separating tubulars in a wellbore | Patrick Maguire, Robert Coon, Neil Andrew Abercrombie Simpson | 2008-05-20 |