|本期目录/Table of Contents|

[1]刘进平,高云,李欣.地面水力压裂对井下煤层瓦斯抽采影响分析[J].中国安全生产科学技术,2018,14(10):133-137.[doi:10.11731/j.issn.1673-193x.2018.10.021]
 LIU Jinping,GAO Yun,LI Xin.Analysis on influence of ground hydraulic fracturing on gas extraction in underground coal seam[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2018,14(10):133-137.[doi:10.11731/j.issn.1673-193x.2018.10.021]
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地面水力压裂对井下煤层瓦斯抽采影响分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
14
期数:
2018年10期
页码:
133-137
栏目:
职业安全卫生管理与技术
出版日期:
2018-10-31

文章信息/Info

Title:
Analysis on influence of ground hydraulic fracturing on gas extraction in underground coal seam
文章编号:
1673-193X(2018)-10-0133-05
作者:
刘进平高云李欣
(潞安集团高河能源有限公司,山西 长治 046000)
Author(s):
LIU Jinping GAO Yun LI Xin
(Lu’an Group Gaohe Energy Co., Ltd., Changzhi Shanxi 046000, China)
关键词:
水力压裂瓦斯抽采浓度纯量
Keywords:
hydraulic fracturing gas extraction concentration pure quantity
分类号:
X936;TD712
DOI:
10.11731/j.issn.1673-193x.2018.10.021
文献标志码:
A
摘要:
为了研究高河煤矿地面压裂钻井作业对井下煤层瓦斯抽采效果的影响,以3#煤层E2307工作面为主要考察对象,对水力压裂前后煤层渗透率、抽采瓦斯浓度和纯量进行统计分析。研究结果表明:地面压裂钻井水力压裂后煤层反演渗透率提高了13倍以上;压裂后瓦斯浓度最大增幅为122%,最小增幅为34%,平均增幅为71%,同样,瓦斯纯量也有大幅度的提高。研究认为高河煤矿地面水力压裂作业对其高瓦斯含量、低渗透性煤层具有良好的应用前景,对同类煤矿及煤层提高瓦斯抽采效率,预防井下瓦斯动力灾害具有积极的借鉴意义。
Abstract:
In order to study the influence of ground fracturing drilling operation on the gas extraction effect in the underground coal seam in Gaohe coal mine, taking the E2307 working face of 3# coal seam as the main object of investigation, the statistical analysis was carried out on the permeability of coal seam, concentration and pure quantity of gas extraction before and after the hydraulic fracturing. The results showed that the inversion permeability of coal seam after the hydraulic fracturing in the ground fracturing drilling increased by more than 13 times. The maximum increase amplitude of gas concentration after the hydraulic fracturing was 122%, the minimum increase amplitude was 34%, and the average increase amplitude was 71%. Similarly, the pure quantity of gas increased greatly. The ground hydraulic fracturing operation in Gaohe coal mine has a good application prospect for its coal seams with high gas content and low permeability, and it has a positive reference significance for improving the gas extraction efficiency and preventing the underground gas dynamic disasters for the similar coal mines and coal seams.

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备注/Memo

备注/Memo:
收稿日期: 2018-08-13
基金项目: 国家自然科学基金项目(51774292)
作者简介: 刘进平,硕士,高级工程师,主要研究方向为矿山通风与安全和安全技术。
更新日期/Last Update: 2018-11-07