CN102966372B - 一种复杂煤层割缝诱喷卸压增透方法 - Google Patents
一种复杂煤层割缝诱喷卸压增透方法 Download PDFInfo
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- CN102966372B CN102966372B CN201210546984.4A CN201210546984A CN102966372B CN 102966372 B CN102966372 B CN 102966372B CN 201210546984 A CN201210546984 A CN 201210546984A CN 102966372 B CN102966372 B CN 102966372B
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- 238000001028 reflection method Methods 0.000 title claims abstract description 8
- 239000003245 coal Substances 0.000 claims abstract description 83
- 238000000605 extraction Methods 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 230000006378 damage Effects 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 8
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- 230000000694 effects Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000003034 coal gas Substances 0.000 abstract description 7
- 230000035699 permeability Effects 0.000 abstract description 6
- 238000003795 desorption Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
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- 230000008030 elimination Effects 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 4
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- 238000011084 recovery Methods 0.000 description 1
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- 230000003578 releasing effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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CN201210546984.4A CN102966372B (zh) | 2012-12-17 | 2012-12-17 | 一种复杂煤层割缝诱喷卸压增透方法 |
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CN201210546984.4A CN102966372B (zh) | 2012-12-17 | 2012-12-17 | 一种复杂煤层割缝诱喷卸压增透方法 |
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CN102966372A CN102966372A (zh) | 2013-03-13 |
CN102966372B true CN102966372B (zh) | 2016-03-02 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103161402B (zh) * | 2013-03-27 | 2016-06-29 | 华亭煤业集团有限责任公司 | 煤层高压水力顺层钻割卸压方法 |
CN103397900B (zh) * | 2013-07-15 | 2015-06-10 | 中国矿业大学 | 一种多孔协同压抽一体化瓦斯抽采方法 |
CN103362538B (zh) * | 2013-07-15 | 2015-04-22 | 中国矿业大学 | 煤层割缝致裂压抽交变抽采瓦斯方法 |
CN103775121B (zh) * | 2014-01-20 | 2015-09-30 | 中国矿业大学 | 一种水力割缝u形孔排渣瓦斯治理方法 |
CN103939019B (zh) * | 2014-04-25 | 2018-06-05 | 河南理工大学 | 一种瓦斯抽放钻孔液压扩孔增透装置 |
CN104790916B (zh) * | 2015-04-24 | 2017-04-19 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种利用油套压力平衡法排除气井积液方法 |
CN106761901B (zh) * | 2016-12-02 | 2020-04-03 | 中国矿业大学(北京) | 矿用煤岩体冲击防止煤岩动力灾害技术及装备 |
CN108331609B (zh) * | 2018-01-22 | 2019-08-06 | 中煤科工集团重庆研究院有限公司 | 顺层钻孔割缝卸压增透方法 |
CN111563352B (zh) * | 2020-05-13 | 2022-10-04 | 中煤科工集团重庆研究院有限公司 | 基于固液两相理论的水射流切缝压力确定方法 |
CN111810084A (zh) * | 2020-06-12 | 2020-10-23 | 煤科集团沈阳研究院有限公司 | 一种水射流钻机的煤层网状瓦斯抽采钻孔施工方法 |
CN113187393B (zh) * | 2021-03-16 | 2022-05-17 | 中煤科工集团重庆研究院有限公司 | 基于重力导向机制的水力割缝水平导向装置及使用方法 |
CN114635744A (zh) * | 2022-04-14 | 2022-06-17 | 山东科技大学 | 一种深部低渗高应力厚煤层立体网络抽采方法 |
CN115614006B (zh) * | 2022-10-27 | 2023-08-18 | 重庆大学 | 一种分层卸压联合多层合采的煤系气开采方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100535395C (zh) * | 2007-04-06 | 2009-09-02 | 中国矿业大学 | 网格式穿层钻孔孔群增透瓦斯抽采方法 |
RU2373398C1 (ru) * | 2008-04-15 | 2009-11-20 | Институт проблем комплексного освоения недр Российской академии наук (ИПКОН РАН) | Способ дегазации и разупрочнения горных пород |
CN101644166A (zh) * | 2009-07-14 | 2010-02-10 | 中国矿业大学 | 高瓦斯低透气性煤层冲孔割缝卸压增透瓦斯抽采方法 |
CN101956546B (zh) * | 2010-09-14 | 2013-03-06 | 中国矿业大学 | 一种提高穿层钻孔瓦斯抽采浓度的方法 |
CN102022133B (zh) * | 2010-11-16 | 2012-07-25 | 郑州大学 | 区域瓦斯井下高压射流掏穴卸压防突方法 |
CN102493833A (zh) * | 2011-11-25 | 2012-06-13 | 重庆市能源投资集团科技有限责任公司 | 一种磨料射流割穿煤层顶板或底板的卸压抽采方法 |
CN102619552B (zh) * | 2012-02-24 | 2015-07-01 | 煤炭科学研究总院沈阳研究院 | 导向槽定向水力压穿增透及消突方法 |
CN102635388A (zh) * | 2012-02-24 | 2012-08-15 | 煤炭科学研究总院沈阳研究院 | 煤层预裂爆破与水力压裂联作增透方法 |
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