Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360065 | Scale inhibitor and process for using | — | 1994-11-01 |
| 5092404 | Polyvinyl sulfonate scale inhibitor | Frank L. Dormish, Phillip M. Beazley, Ronald G. Thompson | 1992-03-03 |
| 5062484 | Method of gravel packing a subterranean well | Donald E. Schroeder, Jr. | 1991-11-05 |
| 5010954 | Gel composition and method of treatment | — | 1991-04-30 |
| 4968442 | Gel composition and method of treatment | — | 1990-11-06 |
| 4950995 | Method of treating a well bore in connection with electric logging of subsurface formation | — | 1990-08-21 |
| 4930575 | Method of protecting a permeable formation | — | 1990-06-05 |
| 4928763 | Method of treating a permeable formation | — | 1990-05-29 |
| 4688639 | Polymer gelation process for oil recovery applications | — | 1987-08-25 |
| 4561502 | Oil recovery process using a polyacrylamide gel | Charles J. Norton, Alfred D. Hill | 1985-12-31 |
| 4548272 | Oil recovery process using a polymer gel | Charles J. Norton, Alfred D. Hill | 1985-10-22 |
| 4485875 | Process for selectively plugging permeable zones in a subterranean formation | — | 1984-12-04 |
| 4482015 | Selectively plugging subterranean formations with a hydrocarbon soluble fluid | — | 1984-11-13 |
| 4473119 | Process for selectively plugging subterranean formations with a melamine resin | — | 1984-09-25 |
| 4461352 | Process for selectively plugging a subterranean formation with a polymer gel | — | 1984-07-24 |
| 4461351 | Process for partially or completely plugging permeable zones in a subterranean formation | — | 1984-07-24 |
| 4343363 | Process for cleaning a subterranean injection surface and for selectively reducing the permeability of a subterranean formation | Charles J. Norton | 1982-08-10 |