Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |