CN110344828B - 等离子体l式消减厚硬顶板及遗留煤柱复合强矿压的方法 - Google Patents
等离子体l式消减厚硬顶板及遗留煤柱复合强矿压的方法 Download PDFInfo
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- CN110344828B CN110344828B CN201910511257.6A CN201910511257A CN110344828B CN 110344828 B CN110344828 B CN 110344828B CN 201910511257 A CN201910511257 A CN 201910511257A CN 110344828 B CN110344828 B CN 110344828B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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CN201910511257.6A CN110344828B (zh) | 2019-06-13 | 2019-06-13 | 等离子体l式消减厚硬顶板及遗留煤柱复合强矿压的方法 |
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CN110344828B true CN110344828B (zh) | 2020-12-15 |
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CN114320295A (zh) * | 2022-01-12 | 2022-04-12 | 辽宁工程技术大学 | 基于电脉冲技术的含夹矸厚煤层开采冲击地压防治方法 |
CN114876413A (zh) * | 2022-04-07 | 2022-08-09 | 太原理工大学 | 一种新建矿井的煤层气原位注热抽采方法 |
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CN105043706B (zh) * | 2015-07-14 | 2017-07-21 | 中国石油大学(北京) | 一种电爆炸等离子体石油增产试验装置 |
CN105444631A (zh) * | 2016-01-06 | 2016-03-30 | 中国矿业大学 | 液相等离子体岩石爆破方法 |
CN106285608A (zh) * | 2016-10-28 | 2017-01-04 | 中国矿业大学 | 一种煤层气井脉冲爆震致裂增渗方法 |
CN107956505A (zh) * | 2017-10-18 | 2018-04-24 | 西安交通大学 | 基于可控冲击波技术的煤矿井下钻孔增透方法 |
CN108278940A (zh) * | 2018-01-24 | 2018-07-13 | 中国矿业大学 | 高应力巷道围岩液相等离子体爆破卸压方法 |
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