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气层水锁效应与含水饱和度关系
引用本文:孟小海,伦增珉,李四川. 气层水锁效应与含水饱和度关系[J]. 大庆石油地质与开发, 2003, 22(6): 48-49
作者姓名:孟小海  伦增珉  李四川
作者单位:1. 胜利油田有限公司,地质科学研究院,山东,东营,257015
2. 塔里木勘探开发研究院,新疆,库尔勒,841000
摘    要:针对塔里木油田在气层开发过程中遇到的酸化后返排率低、完井后产量低于中途测试的问题,通过建立一套合理的水锁效应室内评价方法,并进行其与含水饱和度关系的实验研究,认识到水锁效应是造成低渗气层伤害的不可忽视的重要因素,为现场解除水锁和有效开发提供了室内研究依据。

关 键 词:水锁效应 含水饱和度 气层 驱替压力梯度 定量饱和
文章编号:1000-3754(2003)06-0048-02
修稿时间:2003-08-13

Laboratory testing method of water lock effect of gas reservoir and its relationship with water saturation
MENG Xiao-hai,et al.. Laboratory testing method of water lock effect of gas reservoir and its relationship with water saturation[J]. Petroleum Geology & Oilfield Development in Daqing, 2003, 22(6): 48-49
Authors:MENG Xiao-hai  et al.
Abstract:Aiming at the problem of low gas recovery rate after acidizing , sharp decrease of production after completion during gas reservoir development in Talimu Oilfield, through the development of reasonable laboratory evaluation method of water lock effect, and the experiment with relation of water lock effect and water saturation, we realize that water lock effect is the key factor of low permeability gas reservoir pollution. We provide laboratory basis to removal of water lock effect and effective development.
Keywords:water lock effect  water saturation  gas reservoir  displacement pressure gradient  quantitative saturation
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