Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238647 | Method and fluid for controlling the saturation of a formation around a well | Annie Audibert Hayet, Jean-Francois Argillier, Daniel Longeron, Carine Dewattines | 2007-07-03 |
| 7071150 | Biodegradable lubricating composition and uses thereof, in particular in a bore fluid | Bertrand Genuyt, Rene Reguerre, Jan Cassiers, Francois Breye | 2006-07-04 |
| 6750180 | Borehole fluid containing a lubricating composition—method for verifying the lubrification of a borehole fluid—application with respect to fluids with a high ph | Jean-Francois Argillier, André Demoulin, Annie Audibert-Hayet | 2004-06-15 |
| 6740625 | Method and fluid for checking the saturation of a formation in the immediate vicinity of a well | Annie Audibert, Jean-Francois Argillier, Daniel Longeron, Carine Dewattines | 2004-05-25 |
| 6537951 | Fluid and method for releasing tubular elements stuck in a well | Jean-Francois Argillier, André Demoulin, Annie Audibert-Hayet | 2003-03-25 |
| 5849356 | Method for deicing highways using starch-containing compositions and starch-containing compositions especially designed for deicing highways | James Gambino, Hans-Jurgen Pierkes | 1998-12-15 |
| 5618780 | Lubricating composition including an ester-use of the composition and well fluid including the composition | Jean-Francois Argillier, Annie Audibert, Pierre Marchand, Andr e Demoulin | 1997-04-08 |