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Oil well cement settlement stabilizer for high-temperature cementing of oil and gas wells and preparation method thereof, and cement slurry
Oil well cement settlement stabilizer for high-temperature cementing of oil and gas wells and preparation method thereof, and cement slurry
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摘要
An oil well cement settlement stabilizer is ternary cement settlement stabilizer or quaternary cement settlement stabilizer; wherein the quaternary cement settlement stabilizer containing structural units A represented by formula (I), structural units B represented by formula (II), structural units C represented by formula (III), and structural units D represented by formula (IV); Wherein the ternary cement settlement stabilizer containing structural units A represented by formula (I), structural units B represented by formula (II), and structural units D represented by formula (IV);
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