邱德才, 武贵生, 陈冬冬, 唐志龙. 复合水力化增透技术在低渗突出煤层瓦斯抽采中的应用[J]. 煤田地质与勘探, 2015, 43(1): 13-16. DOI: 10.3969/j.issn.1001-1986.2015.01.003
引用本文: 邱德才, 武贵生, 陈冬冬, 唐志龙. 复合水力化增透技术在低渗突出煤层瓦斯抽采中的应用[J]. 煤田地质与勘探, 2015, 43(1): 13-16. DOI: 10.3969/j.issn.1001-1986.2015.01.003
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QIU Decai, WU Guisheng, CHEN Dongdong, TANG Zhilong. Compound-hydraulic technology enhancing permeability in lowly permeable and outburst-prone seam[J]. COAL GEOLOGY & EXPLORATION, 2015, 43(1): 13-16. DOI: 10.3969/j.issn.1001-1986.2015.01.003
Citation: QIU Decai, WU Guisheng, CHEN Dongdong, TANG Zhilong. Compound-hydraulic technology enhancing permeability in lowly permeable and outburst-prone seam[J]. COAL GEOLOGY & EXPLORATION, 2015, 43(1): 13-16. DOI: 10.3969/j.issn.1001-1986.2015.01.003
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复合水力化增透技术在低渗突出煤层瓦斯抽采中的应用

Compound-hydraulic technology enhancing permeability in lowly permeable and outburst-prone seam

    摘要
  • 摘要: 为增加低渗突出煤层的透气性,提高煤层瓦斯抽采率,提出"钻扩一体化+水力压裂"复合水力化增透技术。介绍了该技术的原理及工艺系统组成等,并在重庆南川宏能煤矿进行了工程试验。试验结果表明,与采用单一"水力压裂"和单一"钻扩一体化"水力化技术的钻孔相比,采用复合水力化增透技术的钻孔,其瓦斯抽采纯量较前二者分别提高了3.37倍和2.80倍,瓦斯抽采体积分数分别提高了3.35倍和2.64倍。

     

    Abstract: In order to increase the permeability and improve gas extraction rate of the outburst-prone coal seam, this paper puts forward the compound-hydraulic technology, introduces the principle and system composition of the technology. The engineering test shows that the gas drainage quantity of compound-hydraulic technology increased by 3.37 times and 2.80 times more than that of single-hydraulic technology, and gas concentration increased 3.35 times and 2.64 times respectively.

     

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