Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7861774 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2011-01-04 |
| 7832472 | Hydraulic open hole packer | — | 2010-11-16 |
| 7798226 | Cement diffuser for annulus cementing | — | 2010-09-21 |
| 7762333 | Hydraulically openable ported sub | Cory Saulou | 2010-07-27 |
| 7748460 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2010-07-06 |
| 7571765 | Hydraulic open hole packer | — | 2009-08-11 |
| 7543634 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2009-06-09 |
| 7431091 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2008-10-07 |
| 7353878 | Apparatus and method for wellbore isolation | — | 2008-04-08 |
| 7134505 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2006-11-14 |
| 7108067 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2006-09-19 |
| 7021384 | Apparatus and method for wellbore isolation | — | 2006-04-04 |
| 6907936 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2005-06-21 |
| 6244340 | Self-locating reentry system for downhole well completions | Jody R. McGlothen, Robert T. Brooks, Dan P. Saurer, Colin M. MacRae, David Joe Steele +2 more | 2001-06-12 |
| 5117913 | Chemical injection system for downhole treating | — | 1992-06-02 |
| 4942925 | Liner isolation and well completion system | — | 1990-07-24 |