Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6283215 | Process for thermal insulation of production tubings placed in a well by means of a non-rigid foam and a system for working a fluid producing well | Jacques Jarrin, Jean-Francois Argillier | 2001-09-04 |
| 5322123 | Use of gel-based compositions for reducing the production of water in oil- or gas-producing wells | Rosangela Pirri | 1994-06-21 |
| 5146985 | Hydrophilic polymer gel water sealing process | Bernard Alquie, Marcel Wild | 1992-09-15 |
| 5082577 | Method and composition for selectively reducing permeability to water in hydrocarbon reservoirs which are hot and saline | Alain Zaitoun | 1992-01-21 |
| 4842071 | Process for the selective reduction of water inflows in oil or gas producing wells | Alain Zaitoun | 1989-06-27 |
| 4681912 | Process for manufacturing inverse microlatices of watersoluble copolymers, the resultant inverse microlatices and their use for improving the production of hydrocarbons | Jean-Pierre Durand, Denise Nicolas, Francois Dawans, Francoise Candau | 1987-07-21 |
| 4521317 | Process for manufacturing a microlatex in a continuous oil phase by polymerization of a water-soluble monomer in a water-in-oil microemulsion, resultant microlatices, and their use for enhanced oil recovery | Francoise Candau, Yee Leong, Francois Dawans | 1985-06-04 |
| 4454260 | Stable suspensions of water-soluble polymers and their manufacture | Francois Dawans, Daniel Binet, Quang D. Vu | 1984-06-12 |
| 4431734 | Enzymatic process for the treatment of xanthan gums to improve the filtrability of their aqueous solutions | Marguerite Rinaudo, Michel Milas | 1984-02-14 |
| 4416990 | Enzymatic clarification process for improving the injectivity and filtrabhility of xanthan gums | Marguerite Rinaudo, Michel Milas | 1983-11-22 |
| 4412925 | Assisted oil recovery with use of fermentation fluids | Daniel Ballerini, Odile Chaude, Guy Chauveteau, Jean-Paul Vandecastele | 1983-11-01 |
| 4396731 | Compositions of coated water-soluble polymers, their manufacture and their use to prepare aqueous solutions for use in enhanced oil recovery | Francois Dawans, Daniel Binet, Quang Dans Vu | 1983-08-02 |
| 4393151 | Stable suspensions of water-soluble polymers and their manufacture | Francois Dawans, Daniel Binet, Quang Dang Vu | 1983-07-12 |