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    • 9. 发明授权
    • Cementing compositions containing substantially spherical zeolite
    • 含有基本上球形的沸石的水泥组合物
    • US07485185B2
    • 2009-02-03
    • US11580360
    • 2006-10-13
    • Gino F. Di Lullo AriasPhilip James Rae
    • Gino F. Di Lullo AriasPhilip James Rae
    • C04B14/04
    • C04B28/02C04B14/047C09K8/467
    • A cementitious composition for cementing an oil or gas well and which exhibits when cured, increased flexural strength and a flexural strength to compressive strength ratio between from about 0.29 to about 0.80, contains a hydraulically-active cementitious material, such as Portland cement, and substantially spherical zeolite. Representative zeolites include natrolite, heulandite, analcime, chabazite, stilbite, and clinoptilolite. The weight percent of zeolite in the cement composition is generally less than or equal to 15 percent. In practice, a well bore may be cemented by pumping the activated slurry and pumping it within the well bore to a pre-selected location and allowing it to solidify.
    • 用于固井或油井的水泥组合物,其固化时显示,弯曲强度和弯曲强度与抗压强度之比在约0.29至约0.80之间,含有水硬性水泥质材料,例如波特兰水泥,基本上 球形沸石。 代表性的沸石包括natrolite,胡萝卜素,anal石,菱沸石,锶石和斜发沸石。 水泥组合物中沸石的重量百分比通常小于或等于15%。 在实践中,井眼可以通过泵送活化的浆料并将其在井眼内泵送到预先选定的位置并使其固化而被胶结。