Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166218 | Separation device comprising a tubular electrocoalescer | Jean Trapy | 2007-01-23 |
| 7008793 | Method and device for taking a sample of an emulsion circulating in a line | Gilbert Duriez, Aurelie Mouret, Gérard Papon | 2006-03-07 |
| 6853199 | Interface detector | Michel Constant | 2005-02-08 |
| 6776237 | Lightweight well cement compositions and methods | Bach Dao, Krishna M. Ravi, Jan Pieter Vijn, Alain Rivereau | 2004-08-17 |
| 6710107 | Cement slurries comprising hydrophobic polymers | Annie Audibert, Alain Rivereau | 2004-03-23 |
| 6702947 | Separation device and method comprising a tubular electrocoalescer | Jean Trapy | 2004-03-09 |
| 6656263 | Lightened cement slurries | Annie Audibert, Alain Rivereau | 2003-12-02 |
| 6562122 | Lightweight well cement compositions and methods | Bach Dao, Krishna M. Ravi, Jan Pieter Vijn, Alain Rivereau | 2003-05-13 |
| 6332920 | Slag for cementing a well, in particular an oil well | Alain Rivereau, Christian Vernet | 2001-12-25 |
| 6065539 | Well cementing method and material containing fine particles | Alain Rivereau | 2000-05-23 |