Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892348 | Well cementing material | Eric Lecolier | 2011-02-22 |
| 7540915 | Oil-well cement slurry | Eric Lecolier, Annie Audibert | 2009-06-02 |
| 7435768 | Foamed cement slurry | Eric Lecolier, Annie Audibert | 2008-10-14 |
| 6776237 | Lightweight well cement compositions and methods | Bach Dao, Krishna M. Ravi, Jan Pieter Vijn, Christine Noik | 2004-08-17 |
| 6710107 | Cement slurries comprising hydrophobic polymers | Annie Audibert, Christine Noik | 2004-03-23 |
| 6656263 | Lightened cement slurries | Annie Audibert, Christine Noik | 2003-12-02 |
| 6562122 | Lightweight well cement compositions and methods | Bach Dao, Krishna M. Ravi, Jan Pieter Vijn, Christine Noik | 2003-05-13 |
| 6332920 | Slag for cementing a well, in particular an oil well | Christine Noik, Christian Vernet | 2001-12-25 |
| 6065539 | Well cementing method and material containing fine particles | Christine Noik | 2000-05-23 |
| 5301753 | Use of scleroglucan as high temperature additive for cement slurries | Ulysse Cartalos, Jacqueline Lecourtier | 1994-04-12 |
| 4522878 | Material having high mechanical strength and density close to unity, the manufacture and uses thereof | Madeleine Bess Martin, Jean-Claude Lesage, Gerard Courbin | 1985-06-11 |