Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8383555 | Well fluid comprising a fluorinated liquid phase | David Pasquier, Alain Driancourt | 2013-02-26 |
| 7858564 | Well fluid comprising a fluorinated liquid phase | David Pasquier, Alain Driancourt | 2010-12-28 |
| 7851413 | Method for transporting hydrates in suspension in production effluents empolying a non-polluting additive | Sinquin Anne, Christine Dalmazzone, Vincent Pauchard | 2010-12-14 |
| 7709419 | Method and thermodynamic inhibitors of gas hydrates in water-based fluids | Rafael Lugo, Christine Dalmazzone | 2010-05-04 |
| 7540915 | Oil-well cement slurry | Eric Lecolier, Alain Rivereau | 2009-06-02 |
| 7435768 | Foamed cement slurry | Eric Lecolier, Alain Rivereau | 2008-10-14 |
| 6740625 | Method and fluid for checking the saturation of a formation in the immediate vicinity of a well | Jean-Francois Argillier, Daniel Longeron, Carine Dewattines, Michel Janssen | 2004-05-25 |
| 6710107 | Cement slurries comprising hydrophobic polymers | Christine Noik, Alain Rivereau | 2004-03-23 |
| 6656263 | Lightened cement slurries | Christine Noik, Alain Rivereau | 2003-12-02 |
| 6571604 | Method and device for evaluating during drilling the capacity of well fluids to form hydrates | Christine Dalmazzone, Benjamin Herzhaft | 2003-06-03 |
| 6257336 | Well cementing method using HMHPG filtrate reducer | Jean-Francois Argillier, Ugo Pfeiffer, Guiseppe Molteni | 2001-07-10 |
| 6040276 | Process and water-base fluid utilizing hydrophobically modified cellulose derivatives as filtrate reducers | Jean-Francois Argillier, Louise Bailey, Paul Reid | 2000-03-21 |
| 5972848 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Jacqueline Lecourtier, Louise Bailey, Geoffrey Maitland | 1999-10-26 |
| 5759962 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Jacqueline Lecourtier, Louise Bailey, Geoffrey Maitland | 1998-06-02 |
| 5728653 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Jacqueline Lecourtier, Louise Bailey, Geoffrey Maitland | 1998-03-17 |
| 5720347 | Process and water-base fluid utilizing hydrophobically modified guars as filtrate reducers | Jean-Francois Argillier | 1998-02-24 |
| 5677266 | Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid | Jacqueline Lecourtier, Louise Bailey, Geoffrey Maitland | 1997-10-14 |
| 5669456 | Process and water-base fluid utilizing hydrophobically modified cellulose derivatives as filtrate reducers | Jean-Francois Argillier, Louise Bailey, Paul Reid | 1997-09-23 |
| 5637556 | Process and water-base fluid for controlling the dispersion of solids application to drilling | Jean-Francois Argillier, Louise Bailey, Paul Reid | 1997-06-10 |
| 5618780 | Lubricating composition including an ester-use of the composition and well fluid including the composition | Jean-Francois Argillier, Pierre Marchand, Andr e Demoulin, Michel Janssen | 1997-04-08 |
| 5597783 | Drilling processes and fluid used in well drilling applications | Jean-Francois Argillier, Jacqueline Lecourtier, Louise Bailey, Paul Reid | 1997-01-28 |