Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361193 | Method and arrangement for improving cuttings removal and reducing differential pressure sticking of drill strings in wellbores | — | 1982-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361193 | Method and arrangement for improving cuttings removal and reducing differential pressure sticking of drill strings in wellbores | — | 1982-11-30 |