Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972848 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Annie Audibert, Louise Bailey, Geoffrey Maitland | 1999-10-26 |
| 5759962 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Annie Audibert, Louise Bailey, Geoffrey Maitland | 1998-06-02 |
| 5744428 | Process using gellan as a filtrate reducer for water-based drilling fluids | Eric Dreveton, Daniel Ballerini, Lionel Choplin | 1998-04-28 |
| 5728653 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Annie Audibert, Louise Bailey, Geoffrey Maitland | 1998-03-17 |
| 5677266 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Annie Audibert, Louise Bailey, Geoffrey Maitland | 1997-10-14 |
| 5597783 | Drilling processes and fluid used in well drilling applications | Annie Audibert, Jean-Francois Argillier, Louise Bailey, Paul Reid | 1997-01-28 |
| 5368101 | Method for reducing retention of a displacement agent and application to assisted recovery of hydrocarbons | Guy Chauveteau, Veronique Plazanet, Antide Putz | 1994-11-29 |
| 5326407 | Process for washing solid particles comprising a sophoroside solution | Marc Baviere, Didier Degouy | 1994-07-05 |
| 5301753 | Use of scleroglucan as high temperature additive for cement slurries | Ulysse Cartalos, Alain Rivereau | 1994-04-12 |