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首页> 外文期刊>Arabian journal of geosciences >Structural block division for further deep research in coalbed methane development in the Gujiao area, Xishan coalfield, North China
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Structural block division for further deep research in coalbed methane development in the Gujiao area, Xishan coalfield, North China

机译：华北西山煤田古交地区煤层气开发的结构区块划分，可作进一步深入研究

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摘要

The coalbed methane (CBM) exploration and development in the Gujiao area, Xishan coalfield (XCF), is still at its initial stage, and no detailed research on the division of CBM development blocks and qualitative analysis of the effects of various parameters on CBM production have been conducted. In this work, the Gujiao area was divided into two subareas (A and B) and subdivided into eight blocks (A1, A2, A3, B1, B2, B3, B4, and B5) based on structural geometry. Various parameters were extracted from well logging, hydrofracturing, and draining data to reflect the effects of them on gas production. The results show that in the blocks A3, B2, and B4, the regions with high gas content are the favorable regions for CBM development. However, the efficient draining measure, which will effectively drain the formation water, is helpful to producing CBM in the blocks A1 and A2. In the block B5, regions with relative deeper burial depth are conducive to produce CBM. The shallow buried regions are favorable to produce gas in the blocks B1 and B3, in which the reservoir permeability is higher.
机译：西山煤田古交地区煤层气的勘探与开发尚处于起步阶段，目前尚无关于煤层气开发区块划分的详细研究以及各种参数对煤层气产量影响的定性分析。已经进行了。在这项工作中，根据结构几何将古交地区分为两个子区域（A和B），并细分为八个区块（A1，A2，A3，B1，B2，B3，B4和B5）。从测井，水力压裂和排水数据中提取了各种参数，以反映它们对天然气生产的影响。结果表明，在区块A3，B2和B4中，气体含量高的区域是煤层气发育的有利区域。但是，有效的排水措施将有效地排出地层水，有助于在区块A1和A2中生产CBM。在区块B5中，埋藏深度相对较深的区域有利于产生煤层气。浅埋区有利于在区块B1和B3中产气，其中储层渗透率较高。

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