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1977-07-08 |
1979-02-02 |
Elf Aquitaine |
Microemulsions utilisables comme " spacers " de cimentation
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1979-08-09 |
1981-12-08 |
Halliburton Company |
Method of using gelled aqueous well treating fluids
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1980-06-02 |
1983-10-11 |
Halliburton Company |
Lubricating composition for well fluids
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1982-05-24 |
1984-05-01 |
Exxon Research And Engineering Co. |
Method of using a spacer for well control fluid
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1985-11-13 |
1988-06-28 |
Amoco Corporation |
Means for obtaining shear wave velocities
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1989-11-27 |
1992-05-19 |
Atlantic Richfield Company |
Spacer fluids
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1989-11-27 |
1991-07-09 |
Atlantic Richfield Company |
Spacer fluids
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1990-02-01 |
1997-08-26 |
Sun Drilling Products Corp |
Method of making drilling fluid containing asphaltite in a dispersed state
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1990-02-22 |
1992-05-19 |
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Method of making a drilling fluid containing carbon black in a dispersed state
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1996-08-02 |
1999-05-18 |
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Invert emulsion fluids suitable for drilling
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1996-08-02 |
1999-03-30 |
Mi L.L.C. |
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1996-08-02 |
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1996-08-02 |
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Oil-based drilling fluids suitable for drilling in the presence of acidic gases
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1997-11-19 |
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1998-01-21 |
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1998-01-21 |
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Deep South Chemical |
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GB2365464B
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2000-08-07 |
2002-09-18 |
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CA2437285C
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2000-08-07 |
2009-11-03 |
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Desiccant dispersion for rubber compounds
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2001-10-11 |
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2002-08-15 |
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2002-08-22 |
2005-06-21 |
Halliburton Energy Services, Inc. |
Suspending agent
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Fluide de puits a base d'huile comprenant un systeme emulsifiant non-polluant, utilisable pour tout type de base et stable vis-a-vis de la formation des hydrates de gaz
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2003-10-11 |
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2004-03-12 |
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2004-11-23 |
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2009-02-17 |
Bj Services Company |
Method of inhibiting or controlling formation of inorganic scales
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2004-12-15 |
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Well treating compositions for slow release of treatment agents and methods of using the same
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2006-01-26 |
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2007-09-21 |
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2008-01-14 |
2011-05-31 |
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2010-03-18 |
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Invert emulsion wellbore fluids and method for reducing toxicity thereof
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2009-07-27 |
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Secondary emulsifiers for inverted emulsion fluids and methods for making and using same
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2010-07-19 |
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Method of using shaped compressed pellets in well treatment operations
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Method of using a screen containing a composite for release of well treatment agent into a well
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2010-07-19 |
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Method of using shaped compressed pellets in treating a well
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Wellbore fluids for use downhole
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