Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103671 | Glycol solution drilling system | James W. Dobson, Jr. | 2000-08-15 |
| 5942468 | Invert emulsion well drilling and servicing fluids | James W. Dobson, Jr., William M. Duncan, Jr. | 1999-08-24 |
| 5804535 | Well drilling and servicing fluids and methods of increasing the low shear rate viscosity thereof | James W. Dobson, Jr., Brandon B Bellew | 1998-09-08 |
| 5783526 | Process to enhance removal of adhering solids from the surface of wellbores and sand control devices therein | James W. Dobson, Jr., Robert S. Lauer | 1998-07-21 |