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羧甲基压裂液较常规压裂液体系相比,具有破胶彻底、抗剪切、摩阻低和价格低廉等优点,但施工成功率较低。本文根据羧甲基压裂液的性能和地层物性特征,优化液体配方和施工设计,对苏东地区进行储层改造,施工成功率大大提升,改造效果显著,表明羧甲基压裂液体系值得推广应用。
Compared with the conventional fracturing fluid system, the carboxymethyl fracturing fluid has the advantages of complete gel breaking, anti-shear, low friction and low cost, but the construction success rate is low. Based on the properties of carboxymethyl fracturing fluid and physical properties of strata, optimizing the liquid formulation and construction design, the reservoir reconstruction in the eastern and eastern regions of China is carried out. The success rate of construction is greatly improved and the improvement effect is remarkable. It shows that the carboxymethyl fracturing fluid system is worth Promote the application.