马俯波,王衍,申芳,王军鹏

• 1:神华地质勘查有限责任公司
• 2:陕西省煤层气开发利用有限公司研究院

摘要(Abstract)：

为研究煤层气双分支U型井合层排采特征,以保德地区双分支U型井组8~#和11~#煤地质和储层资料为基础,依据合采对策图版分析8~#煤和11~#煤适合合采,以8~#煤和11~#煤单采、合采历史数据和排采曲线为基础,进行了排采阶段划分和排采特征分析,通过拟合分析合层排采的关键参数,结果表明:产气流入动态曲线呈现"三段直线式"特征;产水流入动态曲线呈现短期的"四段折线式"或长期的"单段折线式"特征;日产气量与排水量之间呈现"两段直线式"特征;日产气量/累计产气量与排采时间呈E指数相关。

关键词(KeyWords)： 煤层气;双分支;U型井;合层排采;排采特征

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 马俯波,王衍,申芳,王军鹏

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