Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215147 | Method for selectively closing an intermediate zone of a near wellbore area | Ricky C. Ng, Craig H. Phelps | 1993-06-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215147 | Method for selectively closing an intermediate zone of a near wellbore area | Ricky C. Ng, Craig H. Phelps | 1993-06-01 |