Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10100588 | Mixed form tubular centralizers and method of use | — | 2018-10-16 |
| 10024150 | Bottom hole assembly for wellbore completion | Mark Andreychuk, Allan Petrella | 2018-07-17 |
| 10000978 | Tubular centralizer | — | 2018-06-19 |
| 9840888 | Downhole tool having a shock-absorbing sleeve | Kevin GRAF, Chris BAUDISTEL, Mark Andreychuk | 2017-12-12 |
| 9720118 | Microseismic monitoring with fiber-optic noise mapping | Allan Petrella, Mark Andreychuk | 2017-08-01 |
| 8281868 | Torque transmitting load shoulder | — | 2012-10-09 |
| 8225864 | Well string centralizer and method of forming | — | 2012-07-24 |
| 8192127 | Tubular handling system for drilling rigs | — | 2012-06-05 |
| 8141629 | Well string centralizer and method of forming | — | 2012-03-27 |
| 8037932 | Pipe handling device and safety mechanism | William Carr, Matthew Brown | 2011-10-18 |
| 7942199 | Method for installing wellbore string devices | — | 2011-05-17 |
| 7909109 | Anchoring device for a wellbore tool | Maurice William Slack | 2011-03-22 |
| 7878237 | Actuation system for an oilfield tubular handling system | — | 2011-02-01 |
| 7814972 | Wireline entry sub | Tommy M. Warren | 2010-10-19 |
| 7784551 | Tubular handling device | Bruno Walter, Bronislav Walter | 2010-08-31 |
| 7770635 | Wellbore tubular handling torque multiplier | — | 2010-08-10 |
| 7757764 | Method for drilling and casing a wellbore with a pump down cement float | Jeffery Walter Vert | 2010-07-20 |
| 7721798 | Wireline entry sub | — | 2010-05-25 |
| 7694730 | Spear type blow out preventer | — | 2010-04-13 |
| 7673675 | Pipe handling device and safety mechanism | William Carr, Matthew Brown | 2010-03-09 |
| 7654313 | Method and assembly for casing handling using a kelly rig | — | 2010-02-02 |
| 7640984 | Method for drilling and casing a wellbore with a pump down cement float | Jeffery Walter Vert | 2010-01-05 |
| 7637330 | Casing bottom hole assembly retrieval process | Robert M. Tessari, Tommy M. Warren | 2009-12-29 |
| 7624820 | Method for drilling with casing | Robert M. Tessari | 2009-12-01 |
| 7575061 | Wireline entry sub and method of using | Tommy M. Warren | 2009-08-18 |