Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643254 | Process for the correction of oil well productivity and/or injectivity profiles | Luiz Cesar Ferreira Barbosa, Euclides J. Bonet, Celso C. M. Branco | 1987-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643254 | Process for the correction of oil well productivity and/or injectivity profiles | Luiz Cesar Ferreira Barbosa, Euclides J. Bonet, Celso C. M. Branco | 1987-02-17 |