Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ADDITIVE FOR OIL WELL CEMENT AND CEMENT SLURRY USING SAID ADDITIVE FOR OIL WELL CEMENT
Provided is an additive for oil well cement, containing a vinyl alcohol polymer, the additive having good fluid loss reducing performance. The additive for oil well cement is a saponified product of a copolymer of a vinyl ester monomer and a multifunctional monomer, and has a degree of saponification of 70 to 95 mol% and a viscosity-average degree of polymerization of 1000 to 10000.
ADDITIVE FOR OIL WELL CEMENT AND CEMENT SLURRY USING SAID ADDITIVE FOR OIL WELL CEMENT
Provided is an additive for oil well cement, containing a vinyl alcohol polymer, the additive having good fluid loss reducing performance. The additive for oil well cement is a saponified product of a copolymer of a vinyl ester monomer and a multifunctional monomer, and has a degree of saponification of 70 to 95 mol% and a viscosity-average degree of polymerization of 1000 to 10000.
ADDITIVE FOR OIL WELL CEMENT AND CEMENT SLURRY USING SAID ADDITIVE FOR OIL WELL CEMENT
ADDITIV FÜR ÖLBOHRLOCHZEMENT UND ZEMENTSCHLAMM UNTER VERWENDUNG DIESES ADDITIVS FÜR ÖLBOHRLOCHZEMENT
ADDITIF POUR CIMENT DE PUITS DE PÉTROLE ET LAITIER DE CIMENT UTILISANT LEDIT ADDITIF POUR CIMENT DE PUITS DE PÉTROLE
YAMASHITA AKIHIRO (Autor:in) / WATANABE KOSUKE (Autor:in)
30.12.2020
Patent
Elektronische Ressource
Englisch
Additive for oil well cement and cement slurry using said additive for oil well cement
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