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METHODS FOR BLOCKING A PERMEABLE WELL ZONE IN THE USE OF A SEALING COMPOSITION CONTAINING A BINDING MATERIAL AND A REDUCED QUANTITY OF CEMENT
METHODS FOR BLOCKING A PERMEABLE WELL ZONE IN THE USE OF A SEALING COMPOSITION CONTAINING A BINDING MATERIAL AND A REDUCED QUANTITY OF CEMENT
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机译:使用包含粘结材料和降低数量的水泥的密封组合物封闭渗透井区的方法
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摘要
A method of servicing a wellbore, comprising preparing a sealant composition comprising a crosslinkable material, a crosslinking agent, a fluid loss control additive, and water, placing the sealant composition in a permeable zone in the wellbore, and allowing the sealant composition to set. A method of servicing a wellbore, comprising preparing a sealant composition by combining a crosslinkable material, a crosslinking agent, a fluid loss control additive, water, and a cement, wherein an amount of the cement is reduced to an effective amount to increase a gel time of the sealant composition to greater than or equal to about 4 hours when the sealant composition is exposed to ambient temperatures in the wellbore, placing the sealant composition in a permeable zone in the wellbore, and allowing the sealant composition to gel.
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