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COMPOSITIONS AND METHODS FOR WELL COMPLETIONS
Incorporation of carbonaceous materials in a cement slurry increases the linear thermal- expansion coefficient of the set cement. When placed in a subterranean well having at least one casing string, cement sheaths with linear thermal-expansion coefficients similar to that of the casing will be subjected to lower compressive and tensile stresses during downhole-temperature changes. Such cement slurries are particularly advantageous in the context of thermal -recovery wells.
COMPOSITIONS AND METHODS FOR WELL COMPLETIONS
Incorporation of carbonaceous materials in a cement slurry increases the linear thermal- expansion coefficient of the set cement. When placed in a subterranean well having at least one casing string, cement sheaths with linear thermal-expansion coefficients similar to that of the casing will be subjected to lower compressive and tensile stresses during downhole-temperature changes. Such cement slurries are particularly advantageous in the context of thermal -recovery wells.
COMPOSITIONS AND METHODS FOR WELL COMPLETIONS
COMPOSITION ET PROCEDES POUR LE CONDITIONNEMENT DE PUITS
LOISEAU ANTHONY (author) / CHOUGNET-SIRAPIAN ALICE (author) / TOMILINA ELENA (author) / JAMES SIMON GARETH (author)
2016-09-13
Patent
Electronic Resource
English