Issued Patents 2018
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087734 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2018-10-02 |
| 10053957 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2018-08-21 |
| 10030474 | Downhole sub with hydraulically actuable sleeve valve | Kevin O. Trahan, Christopher Denis Desranleau, Frank DeLucia | 2018-07-24 |
| 9970274 | Wellbore treatment apparatus and method | Christopher Denis Desranleau, Robert Coon | 2018-05-15 |
| 9963962 | Method and apparatus for wellbore fluid treatment | Jim Fehr | 2018-05-08 |
| 9932797 | Plug retainer and method for wellbore fluid treatment | James Fehr, Michael Kenyon | 2018-04-03 |
| 9920591 | Toe circulation sub | — | 2018-03-20 |
| 9909392 | Wellbore frac tool with inflow control | — | 2018-03-06 |
| 9874067 | Sliding sleeve sub and method and apparatus for wellbore fluid treatment | Christopher Denis Desranleau, Kevin O. Trahan, Frank DeLucia, Daniel P. Lupien, Terrance Dean Maxwell | 2018-01-23 |
| 9856715 | Stage tool for wellbore cementing | Robert Coon | 2018-01-02 |