Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679629 | Method for modifying injectivity profile with ball sealers and chemical blocking agents | Alfred R. Jennings, Jr. | 1987-07-14 |
| 4574887 | Method for preparation of viscous aqueous liquids for wellbore injection | — | 1986-03-11 |
| 4450084 | Oil recovery process employing a non-ionic glucan in combination with clay flocculant | — | 1984-05-22 |
| 4347146 | Oil recovery process employing a non-ionic glucan in combination with clay flocculant | — | 1982-08-31 |