低损害高弹性聚合物压裂液体系研究
Drilling Fluid and Completion Fluid(2006)
Abstract
介绍了新型低损害合成聚合物压裂液体系,该压裂液体系采用的稠化剂FA-200A为几乎不含水不溶物的合成聚合物,体系的残渣少;使用交联剂AC-12A进行交联,交联时的pH值为5~6,形成的冻胶具有良好的耐温耐剪切性能,不需要其它的pH值调节剂,既适合于常规压裂,又适合于液氮助排.新型低损害合成聚合物压裂液适用温度大于50~90℃,与植物胶压裂液相比,新型低损害合成聚合物压裂液不使用杀菌剂.该压裂液的成本低于清洁压裂液.
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Key words
Crosslinking at weak acidity,Fracturing fluids,Synthetic polymer
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