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The composition of hydraulic cement, and methods of cementing in an atmosphere of carbon dioxide, and intensification of recovery from a hydrocarbon of an underground formation
The composition of hydraulic cement, and methods of cementing in an atmosphere of carbon dioxide, and intensification of recovery from a hydrocarbon of an underground formation
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机译:水硬性水泥的组成,在二氧化碳气氛中进行固井的方法以及增强从地下地层中的烃类中采收的方法
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摘要
The invention provides a carbon dioxide-resistant hydraulic cement composition. The inventive composition comprises a Portland cement, Class C fly ash and water. The Class C fly ash is present in the composition in an amount in the range of from about 5% to less than about 30% by weight based on the total weight of the cementitious components in the composition. In another aspect, the invention provides a method of cementing in a carbon dioxide environment. In yet another aspect, the invention provides a method of enhancing the recovery of a hydrocarbon fluid from a subterranean formation.
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