IMECH-IR  > 环境力学重点实验室(2009-2011)
两井条件下圆形封闭煤层中压力场分布研究
Alternative TitleResearch on Pressure Field in Circle Bounded Coalbed With Two Wells
刘曰武; 欧阳伟平; 赵培华; 苏中良
Source Publication油气井测试
2010-12-25
Volume19Issue:06Pages:64-70+84
Abstract煤层气开采方式的本质是排水降压采气,了解煤层的降压效果对排采制度的确定有着积极的意义。通过建立圆形封闭煤层中考虑煤层气解吸作用的两井不定常渗流模型,利用有限元方法求得了其数值解,分析解吸作用对理论特征曲线的影响。计算结果表明,煤层气解吸具有减缓压力传播的作用;分析不同性质邻井对理论曲线特征的影响,给出存在邻井影响时的压力场发展规律。提出压力场的4种描述方法,分析邻井性质、邻井流量变化,以及外边界性质对煤层压力场分布的影响,得到不同条件下煤层气压力场的变化规律。
Keyword煤层气 压力场 试井 解吸
URL查看原文
Language中文
Funding Organization国家重大专项“大型气田及煤层气开发”专项支持,课题编号2009ZX05038001
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43750
Collection环境力学重点实验室(2009-2011)
Corresponding Author刘曰武
Recommended Citation
GB/T 7714
刘曰武,欧阳伟平,赵培华,等. 两井条件下圆形封闭煤层中压力场分布研究[J]. 油气井测试,2010,19(06):64-70+84.
APA 刘曰武,欧阳伟平,赵培华,&苏中良.(2010).两井条件下圆形封闭煤层中压力场分布研究.油气井测试,19(06),64-70+84.
MLA 刘曰武,et al."两井条件下圆形封闭煤层中压力场分布研究".油气井测试 19.06(2010):64-70+84.
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