阳离子型稠化酸体系的研制

Advances in Fine Petrochemicals(2006)

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Abstract
以丙烯酰胺(AM)和二甲基二烯丙基氯化铵(DMDAAC)为原料,通过反相乳液聚合,制得阳离子型稠化剂GD-1。采用盐酸、乙酸和氢氟酸组成的混合酸与质量分数为1.5%的GD-1复配制得的GD-1稠化酸体系,在60℃和90℃条件下,热稳定性均在80%以上;随着温度升高,其粘度下降幅度明显小于PAM同类产品,且该体系在90℃下能保持表观粘度大于20mPa.s。GD-1稠化酸体系的剪切稳定性也明显好于PAM同类产品,达81%以上;其缓速性能良好,作用时间长达12h,能有效提高酸化效果,可用于高温油藏深部解堵。
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Key words
thickening acid system,thickener,acidification,cationic polymer
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