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Cement compositions for cementing wells, allowing pressure gas- channeling in the cemented annulus to be controlled
Cement compositions for cementing wells, allowing pressure gas- channeling in the cemented annulus to be controlled
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机译:用于固井的水泥组合物,可控制胶环中的压力气窜
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摘要
The invention relates to cement compositions for cementing wells, which allow pressure gas-channeling to be effectively controlled up to more than about 485 F. The cement composition contains a styrene- butadiene latex and a stabilizer. The film of latex interrupts gas- channeling after an extremely brief path.
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