Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234522 | Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore | Michael Robert Johnson, John Touchet, Scott Myers | 2007-06-26 |
| 5813460 | Formation evaluation tool and method for use of the same | Paul D. Ringgenberg, Roger L. Schultz, Neal G. Skinner, Margaret C. Waid, Curtis E. Wendler | 1998-09-29 |
| 5799733 | Early evaluation system with pump and method of servicing a well | Paul D. Ringgenberg, Neal G. Skinner, Curtis E. Wendler, Roger L. Schultz, Margaret C. Waid | 1998-09-01 |