Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907929 | Cementing compositions and the use of such compositions for cementing wells | Sylvaine Leroy-Delage, Bernard Dargaud, Marc Thiercelin | 2005-06-21 |
| 6533036 | Method and a tool for treating the wall of a critical zone in a borehole | Bernard Montaron, Joel Rondeau | 2003-03-18 |
| 6458198 | Cementing compositions and use of such compositions for cementing oil wells or the like | Sylvaine Leroy-Delage, Bernard Dargaud | 2002-10-01 |
| 6153562 | Cementing slurry and method of designing a formulation | John Villar | 2000-11-28 |
| 6060535 | Cementing compositions and applications of such compositions to cementing oil (or similar) wells | John Villar, Michel Michaux, Bernard Dargaud | 2000-05-09 |
| 5518996 | Fluids for oilfield use having high-solids content | Pierre Maroy | 1996-05-21 |