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US 7,402,204 B2Granted
Flexible cementing compositions and methods for high-temperature wells
AssigneeSchlumberger Technology Corporation
InventorsSylvaine Le Roy-Delage, Simon James
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Abstract
A well cementing composition comprises an hydraulic cement and flexible, acrylonitrile-butadiene copolymer particulate material. A method of cementing a well comprises mixing the composition with sufficient water, and optionally, other additives to form a pumpable slurry, and pumping the slurry into the well and allowing it to set.
Claims17
A well cementing composition comprising an hydraulic cement and a flexible, acrylonitrile-butadiene copolymer particulate material wherein the copolymer is partially or fully hydrogenated.
Dependencies are inferred from the claim text.