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Block Su54 of He8 reservoir gas-water distribution and recognition methods research
Author(s): 
Pages: 47-50
Year: Issue:  5
Journal: Petrochemical Industry Application

Keyword:  苏54区块盒8地层水类型分布特征识别方法;
Abstract: 二叠系石盒子组8段(简称“盒8”)储层为苏里格气田苏54区块主力产层之一,根据水样检测结果、测井综合解释、试气产水资料及生产资料的分析与研究,通过对气井产出水的定性分析与定量计算,结果认为盒8段储层产液类型有凝析液、压裂残留液、原状地层水;地层水类型主要为氯化钙型(CaCl2)地层水;阴离子以氯离子(Cl-)为主,阳离子以钾离子(K+)、钠离子(Na+)、钙离子(Ca2+)为主;区块内大部分区域产水,不同区域气井产水量差别明显;横向上分布不连续,无统一气水边界,纵向上存在6种分布形式.
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