IMECH-IR  > 环境力学重点实验室(2009-2011)
考虑煤层气稳定解吸的数值试井方法
Alternative TitleNumerical Well Testing Method for Well by Considering CBM Desorption
欧阳伟平; 刘曰武
Source Publication油气井测试
2010-12-25
Volume19Issue:06Pages:49-52+70+83
Abstract建立了考虑煤层气解吸作用的煤层气稳定解吸均质试井模型,在控制方程中引入稳定源来描述煤层气解吸作用,利用有限元方法求得其数值解。通过分析解吸系数的影响,明确了煤层气解吸作用能缓解地层中压力下降、减缓压力波的传播。当解吸作用达到一定强度时,煤层气解吸量已经达到生产量,压力停止传播,这种情形类似于遇到了定压边界。另外,还考虑了临界解吸压力对试井理论曲线的影响,临界解吸压力和初始地层压力相差的越小,煤层气解吸出现的时间越早,对测试曲线影响也越大。
Keyword煤层气 渗流 解吸 数值试井 有限元
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/311007/43744
Collection环境力学重点实验室(2009-2011)
Corresponding Author欧阳伟平
Recommended Citation
GB/T 7714
欧阳伟平,刘曰武. 考虑煤层气稳定解吸的数值试井方法[J]. 油气井测试,2010,19(06):49-52+70+83.
APA 欧阳伟平,&刘曰武.(2010).考虑煤层气稳定解吸的数值试井方法.油气井测试,19(06),49-52+70+83.
MLA 欧阳伟平,et al."考虑煤层气稳定解吸的数值试井方法".油气井测试 19.06(2010):49-52+70+83.
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