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COMPOSITIONS AND METHODS FOR REDUCING FLUID LOSS IN WELL CEMENTING SLURRIES
A well cementing composition comprises an aqueous fluid, portland cement, styrene- butadiene latex and styrene sulfonate-maleic acid copolymer. The styrene sulfonate-maleic acid copolymer has a molecular weight between 5,000 g/mol and 25,000 g/mol. The composition may be placed in a subterranean well during a primary cementing or a remedial cementing operation.
L'invention concerne une composition de cimentation de puits comprenant un fluide aqueux, du ciment Portland, du latex styrène-butadiène et un copolymère sulfonate de styrène-acide maléique. Le copolymère sulfonate de styrène-acide maléique a un poids moléculaire compris entre 5 000 g/mol et 25 000 g/mol. La composition peut être placée dans un puits souterrain pendant une opération de cimentation primaire ou une opération de cimentation corrective.
COMPOSITIONS AND METHODS FOR REDUCING FLUID LOSS IN WELL CEMENTING SLURRIES
A well cementing composition comprises an aqueous fluid, portland cement, styrene- butadiene latex and styrene sulfonate-maleic acid copolymer. The styrene sulfonate-maleic acid copolymer has a molecular weight between 5,000 g/mol and 25,000 g/mol. The composition may be placed in a subterranean well during a primary cementing or a remedial cementing operation.
L'invention concerne une composition de cimentation de puits comprenant un fluide aqueux, du ciment Portland, du latex styrène-butadiène et un copolymère sulfonate de styrène-acide maléique. Le copolymère sulfonate de styrène-acide maléique a un poids moléculaire compris entre 5 000 g/mol et 25 000 g/mol. La composition peut être placée dans un puits souterrain pendant une opération de cimentation primaire ou une opération de cimentation corrective.
COMPOSITIONS AND METHODS FOR REDUCING FLUID LOSS IN WELL CEMENTING SLURRIES
COMPOSITIONS ET PROCÉDÉS DE RÉDUCTION DE LA PERTE DE FLUIDE DANS DES LAITIERS DE CIMENTATION DE PUITS
MICHAUX MICHEL (author) / CARITEY JEANL-PHILIPPE (author) / BEAUDY PIERRE (author)
2017-08-24
Patent
Electronic Resource
English
COMPOSITIONS AND METHODS FOR REDUCING FLUID LOSS IN WELL CEMENTING SLURRIES
| European Patent Office | 2017
COMPOSITIONS AND METHODS FOR REDUCING FLUID LOSS IN WELL CEMENTING SLURRIES
| European Patent Office | 2021