Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ULTRA-HIGH TEMPERATURE RESISTANT CEMENT SLURRY SYSTEM FOR CEMENTING AND PREPARATION METHOD AND USE THEREOF
The present disclosure provides an ultra-high temperature resistant cement slurry system for cementing and the preparation method and use thereof. The cement slurry system comprises cement, an ultra-high temperature strength stabilizer, an ultra-high temperature reinforcing material, a density regulator, an ultra-high temperature suspension stabilizer, a dispersant, a fluid loss additive, a retarder, a defoaming agent and water, wherein the ultra-high temperature suspension stabilizer comprises an ether-based starch, an aluminosilicate and a polyalcohol polymer. The method for preparing the cement slurry system includes dry mixing and wet mixing raw materials homogeneously, respectively, and then homogeneously mixing the dry mix and wet mix to obtain the cement slurry system. The present disclosure further provides use of the cement slurry system for cementing in deep wells and ultra-deep wells at high and ultra-high temperatures. The ultra-high temperature resistant cement slurry system for cementing provided by the present disclosure has a strong temperature resistance, a wide applicable range, and an excellent settlement stability. It can prevent the decline of strength of cement stone at high temperature, ensure the cementing and sealing effect and improve the cementing quality.
ULTRA-HIGH TEMPERATURE RESISTANT CEMENT SLURRY SYSTEM FOR CEMENTING AND PREPARATION METHOD AND USE THEREOF
The present disclosure provides an ultra-high temperature resistant cement slurry system for cementing and the preparation method and use thereof. The cement slurry system comprises cement, an ultra-high temperature strength stabilizer, an ultra-high temperature reinforcing material, a density regulator, an ultra-high temperature suspension stabilizer, a dispersant, a fluid loss additive, a retarder, a defoaming agent and water, wherein the ultra-high temperature suspension stabilizer comprises an ether-based starch, an aluminosilicate and a polyalcohol polymer. The method for preparing the cement slurry system includes dry mixing and wet mixing raw materials homogeneously, respectively, and then homogeneously mixing the dry mix and wet mix to obtain the cement slurry system. The present disclosure further provides use of the cement slurry system for cementing in deep wells and ultra-deep wells at high and ultra-high temperatures. The ultra-high temperature resistant cement slurry system for cementing provided by the present disclosure has a strong temperature resistance, a wide applicable range, and an excellent settlement stability. It can prevent the decline of strength of cement stone at high temperature, ensure the cementing and sealing effect and improve the cementing quality.
ULTRA-HIGH TEMPERATURE RESISTANT CEMENT SLURRY SYSTEM FOR CEMENTING AND PREPARATION METHOD AND USE THEREOF
JIN JIANZHOU (Autor:in) / CHEN LILI (Autor:in) / GUO YUCHAO (Autor:in) / ZHANG HUA (Autor:in) / LIU FUCHEN (Autor:in) / MA YONG (Autor:in) / WANG YAO (Autor:in) / ZHANG XIAOBING (Autor:in) / ZHANG JIAYING (Autor:in) / LIU ZISHUAI (Autor:in)
10.10.2024
Patent
Elektronische Ressource
Englisch
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