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Study on polymer viscosity loss in perforation holes during chemical flooding
Author(s): DENG Weiguo
Pages: 69-
71
Year: 2008
Issue:
z2
Journal: Special Oil & Gas Reservoirs
Keyword: 聚合物; 粘度损失; 模拟孔眼; 套管; 水泥环; 射孔;
Abstract: 为考察套管与水泥环厚度上射孔孔眼对注入聚合物粘度的影响,进行了模拟孔眼与实际射孔炮眼注聚合物粘度损失实验研究.实验证明,在聚合物粘度为150 mPa·s,流量为2~10mL/s范围内,不同流速、不同的射孔孔径聚合物粘度损失不同;相同条件下,实际射孔比模拟炮眼粘度损失略大.这一实验研究有助于分析射孔炮眼处聚合物溶液粘度损失情况,对注聚井的射孔参数选取有一定的指导意义.
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