海上低渗气田压后产水分析及预测方法研究
Journal of Guangdong University of Petrochemical Technology（2017）
Abstract
海上深低渗气藏压裂开发中出现产水量大,产水来源识别困难等诸多问题,这是困扰气藏开发的主要因素.以海上深层低渗气井DH2-1为例,以压后产水递减规律为理论依据,结合地层气-水配置关系、施工压力分析和产水氯根含量动态特征,判别压后产水的来源.利用核磁共振和岩心实验数据的束缚水饱和度为依据,结合测井解释来计算可动水饱和度,然后通过数值模拟预测压后产水.
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