Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982512 | Apparatus and method for treating a reservoir using re-closeable sleeves | Don Getzlaf | 2018-05-29 |
| 9970262 | Downhole valve apparatus | Michael WERRIES, Don Getzlaf, Doug Brunskill | 2018-05-15 |
| 9903182 | Fracturing valve and fracturing tool string | Donald Getzlaf, Douglas James Brunskill, Shawn Leggett | 2018-02-27 |
| 9593542 | Casing float tool | Donald Getzlaf, Marty Stromquist, David Devlin, Doulgas Braden, Travis Harris | 2017-03-14 |
| 9140098 | Downhole isolation and depressurization tool | Donald Getzlaf, Marty Stromquist, Lyle Laun, Eric Schmelzl | 2015-09-22 |
| 8955603 | System and method for positioning a bottom hole assembly in a horizontal well | Lyle Laun, John Misselbrook | 2015-02-17 |
| 8944167 | Multi-zone fracturing completion | Lyle Laun, John Misselbrook | 2015-02-03 |
| 8931559 | Downhole isolation and depressurization tool | Donald Getzlaf, Marty Stromquist, Lyle Laun, Eric Schmelzl | 2015-01-13 |
| 8695716 | Multi-zone fracturing completion | — | 2014-04-15 |
| 8651192 | Coiled tubing bottom hole assembly with packer and anchor assembly | — | 2014-02-18 |
| 8613321 | Bottom hole assembly with ported completion and methods of fracturing therewith | Lyle Laun | 2013-12-24 |
| 8302692 | Valve for a sand slurry system | — | 2012-11-06 |
| 8276677 | Coiled tubing bottom hole assembly with packer and anchor assembly | — | 2012-10-02 |
| 7410003 | Dual purpose blow out preventer | Doug Brunskill | 2008-08-12 |
| 7347259 | Downhole oilfield erosion protection by using diamond | Mitchell Lambert | 2008-03-25 |
| 7249633 | Release tool for coiled tubing | Andre Naumann, Lubos Vacik, Mitch Lambert, Graham Wilde | 2007-07-31 |
| RE39292 | Apparatus and method for downhole fluid phase separation | Gordon Latos | 2006-09-19 |
| 7086486 | Flow control valve and method of controlling rotation in a downhole tool | Don Pike, Doug Brunskill | 2006-08-08 |
| 6834722 | Cyclic check valve for coiled tubing | Lubos Vacik, John Misselbrook | 2004-12-28 |
| 6832654 | Bottom hole assembly | Andre Naumann, Lubos Vacik, Mitch Lambert, Graham Wilde | 2004-12-21 |
| 6832655 | Method for cleaning gravel packs | John Misselbrook, Lance Portman | 2004-12-21 |
| 6561289 | Bottomhole assembly and methods of use | Lance Portman | 2003-05-13 |
| 6527067 | Lateral entry guidance system (LEGS) | Mitchell Lambert | 2003-03-04 |
| 6209652 | Deployment system method and apparatus for running bottomhole assemblies in wells, particularly applicable to coiled tubing operations | Lance Portman | 2001-04-03 |
| 6138757 | Apparatus and method for downhole fluid phase separation | Gordon Latos | 2000-10-31 |