Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821564 | Method and system for determining fluid pressures in wellbores and tubular conduits | C. Mark Pearson, Ahmed S. Abou-Sayed | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821564 | Method and system for determining fluid pressures in wellbores and tubular conduits | C. Mark Pearson, Ahmed S. Abou-Sayed | 1989-04-18 |