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滑脱流动影响的低渗储层甲烷运移采出规律研究
Alternative TitleResearch on Migration and Extraction Law of Methane in Low Permeability Reservoir(Considering Slippage Flow)
肖晓春; 徐军; 潘一山; 吕祥锋; 吴迪; 朱洪伟
Source Publication中国安全科学学报
2012-11-15
Volume22Issue:11Pages:107-112
ISSN1003-3033
Abstract为了达到低渗储层甲烷抽采过程甲烷采井优化设计和产能准确预测的目的,基于现场测井数据,采用非线性流体数值计算方法,以柳林煤层甲烷试验采区为例,对滑脱流动影响的煤层甲烷采场压力非线性分布和产能预测进行研究。数值计算结果表明:低渗储层甲烷运移采出受气体滑脱流动影响显著,考虑滑脱流动影响时,采场压力衰减区域变大,气体速率变快;对比测井产能历史拟合数据发现,计算所得的滑脱流动影响的产能预测值更加准确。由计算结果验证了单井开采具有采场压力影响范围较小,产能较低等缺点,并得出五采出四压裂的布井方式是既能够准确预测产能又能够更好避免井间干扰效应的最优布井方式。
Other AbstractIn order to achieve methane extraction process methane production well optimization design and productivity accurate prediction in hypotonic reservoir,taking Liulin coal bed methane test mining area as an example,the pressure nonlinear distribution and coal-bed methane productivity prediction were studied,based on the field logging data and nonlinear fluid numerical calculation method. Calculation results have shown that methane migration and extraction processes were influenced significantly by gas slip flow in hypotonic reservoir, that when considering slip flow influence,the stope pressure attenuation area became larger,the gas velocity became higher,and that calculation considering slip flow could give more accurate methane productivity prediction values. Results confirm the single well mining has the stope pressure coverage smaller and capacity lower faults and so on. It was found that the optimal mode of mining was"five exploitation wells plus four injection wells".
Keyword滑脱流动 数值试验 低渗储层 产能预测 历史拟合
Subject Area岩体力学和土力学
URL查看原文
Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金青年项目资助(51004061);国家“973”计划项目(2010CB226803);2011年辽宁省教育厅科学研究一般项目资助(L2011049)
CSCD IDCSCD:4730948
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46922
Collection流固耦合系统力学重点实验室
Corresponding Author肖晓春
Recommended Citation
GB/T 7714
肖晓春,徐军,潘一山,等. 滑脱流动影响的低渗储层甲烷运移采出规律研究[J]. 中国安全科学学报,2012,22(11):107-112.
APA 肖晓春,徐军,潘一山,吕祥锋,吴迪,&朱洪伟.(2012).滑脱流动影响的低渗储层甲烷运移采出规律研究.中国安全科学学报,22(11),107-112.
MLA 肖晓春,et al."滑脱流动影响的低渗储层甲烷运移采出规律研究".中国安全科学学报 22.11(2012):107-112.
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