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Fluid loss control agents and compositions for cementing oil and gas wells comprising said fluid loss control agent
Fluid loss control agents and compositions for cementing oil and gas wells comprising said fluid loss control agent
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机译:流体损失控制剂和用于固井油气井的组合物,包括所述流体损失控制剂
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摘要
A method of cementing a well is disclosed. The method comprising pumping into the well a cement slurry comprising a solid blend including cement, water, and a fluid loss control agent, and allowing the cement slurry to set. The fluid loss control agent comprises a styrene-butadiene latex and a high molecular-weight water-soluble polymer such as a copolymer AMPS-Am. The addition of the water-soluble polymer allows drastic reduction of the quantity of latex required to achieve fluid loss control performance and even gas migration control.
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