周海,王晓冬,吴明涛

• 1:中国地质大学(北京)能源学院
• 2:中国地质大学(北京)海相储层演化与油气富集机理教育部重点实验室

摘要(Abstract)：

为了得到一种便于矿场应用的页岩生产动态预测分析方法,通过积分水相和气相连续性方程,得到平均含水饱和度方程和气水两相物质平衡方程,结合有限差分法,给出了计算步骤,依次分析了无量纲导流能力、裂缝半长、Langmuir体积和Langmuir常数对垂直裂缝井日产气量的影响,与数值模拟结果对比,验证了该方法的正确性.研究结果表明,无量纲导流能力和裂缝半长只影响产量最大值,而Langmuir体积和Langmuir常数对产量最大值和递减开始时间都有影响.研究结果提供了建立页岩气物质平衡方程的新思路,为页岩气藏生产潜力和压裂施工方案的评价奠定了基础.

关键词(KeyWords)： 页岩气藏;气水两相;物质平衡方程;垂直裂缝;生产预测

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 周海,王晓冬,吴明涛

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