Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006762 | System and method of controlling surge during wellbore completion | John D. Burleson, John H. Hales | 2011-08-30 |
| 7861784 | System and method of controlling surge during wellbore completion | John D. Burleson, John H. Hales | 2011-01-04 |