| 本煤层顶板水力压裂增透技术的研究与应用 |
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| 引用本文： | 杜结班.本煤层顶板水力压裂增透技术的研究与应用[J].煤炭技术,2014(7):49-51. |
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| 作者姓名： | 杜结班 |
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| 作者单位： | 河南能源化工集团义马煤业公司孟津煤矿 |
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| 摘 要： | 义马煤业集团孟津煤矿二2煤-11031工作面属于弱突出危险性煤层,为了提高11031工作面瓦斯的抽采效率,有效治理瓦斯问题,减少瓦斯事故的发生,对11031工作面实施顶板水力压裂的卸压强化增透措施。实施该措施后,煤层透气性大大增加,单孔瓦斯抽采体积分数和流量大幅提高,煤层瓦斯含量和瓦斯压力大幅降低,保证了该工作面及被保护层采掘工作的安全采掘。
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| 关 键 词： | 低透气性 顶板水力压裂 增透措施 |
Research and Application of Improving Pemeability by Roof Hydraulic Fracturing for Mining Seam |
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| DU Jie-ban.Research and Application of Improving Pemeability by Roof Hydraulic Fracturing for Mining Seam[J].Coal Technology,2014(7):49-51. |
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| Authors: | DU Jie-ban |
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| Affiliation: | DU Jie-ban;Mengjin Coal Mine,Yima Coal Company,Henan Energy Chemical Industry Group; |
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| Abstract: | 11031 face of Two2 coal mine is weak outburst coal seam,to improve efficiency of gas extraction of 11031 face,governance gas problem effectivly,reduce the occurrence of gas accident,Implement improving pemeability measure of roof hydraulic fracturing to 11031 face.seam permeability the concentration and flow of gas drainage were increased greatly,the coal seam gas content and gas pressure were reduced greatly,ensure that the face and the protected layer mining work safety mining. |
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| Keywords: | low permeability roof hydraulic fracturing improving pemeability |
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