Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5269376 | Method for favoring the production of effluents of a producing zone | Jacques Lessi | 1993-12-14 |
| 5244041 | Method for stimulating an effluent-producing zone adjoining an aquifer by lateral sweeping with a displacement fluid | Gerard Renard | 1993-09-14 |
| 5242021 | Method and device for consolidation a formation crossed by a well | Jacques Lessi | 1993-09-07 |
| 5211240 | Method for favoring the injection of fluids in producing zone | Jacques Lessi, Herve Petit | 1993-05-18 |
| 5201612 | Process for the consolidation of a geological formation by a substance polymerizable at the temperature and pressure of the formation | Jean-Claude Lesage | 1993-04-13 |
| 5133410 | Method and device for stimulating production of a subterranean zone of injection of a fluid from a neighboring zone via fracture made from a deflected drain drilled in an intermediate layer separating the zones | Jacques Lessi, Gerard Renard | 1992-07-28 |
| 5133411 | Method and device for stimulating a subterranean zone through the controlled injection of a fluid coming from a neighbouring zone which is connected to the subterranean zone by a drain | Jacques Lessi, Gerard Renard | 1992-07-28 |
| 5091129 | Method for manufacturing a filter cartridge | — | 1992-02-25 |
| 4705431 | Method for forming a fluid barrier by means of sloping drains, more especially in an oil field | Herve Petit | 1987-11-10 |
| 4685836 | Method of consolidating a geological formation by thermal polymerization | Jacques Burger, Jacques Salle de Chou | 1987-08-11 |
| 4391556 | Process for consolidating geological formations | Jacques Burger, Charles Bardon | 1983-07-05 |
| 4391555 | Process for consolidating geological formations | Jacques Burger, Charles Bardon | 1983-07-05 |
| 4370078 | Process for consolidating geological formations | Jacques Burger, Charles Bardon | 1983-01-25 |