CN103912302B - A kind of layer-through drilling hydraulic rupture gas pumping method - Google Patents
A kind of layer-through drilling hydraulic rupture gas pumping method Download PDFInfo
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- CN103912302B CN103912302B CN201410037866.XA CN201410037866A CN103912302B CN 103912302 B CN103912302 B CN 103912302B CN 201410037866 A CN201410037866 A CN 201410037866A CN 103912302 B CN103912302 B CN 103912302B
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CN201410037866.XA CN103912302B (en) | 2014-01-26 | 2014-01-26 | A kind of layer-through drilling hydraulic rupture gas pumping method |
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CN201410037866.XA CN103912302B (en) | 2014-01-26 | 2014-01-26 | A kind of layer-through drilling hydraulic rupture gas pumping method |
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CN103912302A CN103912302A (en) | 2014-07-09 |
CN103912302B true CN103912302B (en) | 2016-01-13 |
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CN201410037866.XA Expired - Fee Related CN103912302B (en) | 2014-01-26 | 2014-01-26 | A kind of layer-through drilling hydraulic rupture gas pumping method |
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Families Citing this family (8)
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CN104763462A (en) * | 2015-04-07 | 2015-07-08 | 中国矿业大学 | Method for extracting high-pressure hydraulic cave-manufacturing gas from rock roadway crossing hole |
CN105484790A (en) * | 2015-11-24 | 2016-04-13 | 中国矿业大学 | Method for promoting gas extraction and working face dust fall by injecting water at intervals in drilling holes |
CN106285599B (en) * | 2016-08-05 | 2018-06-29 | 河南能源化工集团研究院有限公司 | A kind of anti-reflection draining coal seam gas method of waterpower changing of the relative positions release |
CN106567710A (en) * | 2016-10-18 | 2017-04-19 | 安徽理工大学 | Rapid coal uncovering method with effects of uniform pressure releasing and integrated collapse |
CN108894728A (en) * | 2018-07-27 | 2018-11-27 | 淮南矿业(集团)有限责任公司 | A kind of construction method of gas drainage directional long borehole group and directional long borehole |
CN112392538B (en) * | 2020-11-18 | 2023-03-14 | 太原理工大学 | Progressive shield type bedding hydraulic cave construction method for tunneling working face of structural coal seam |
CN114635678B (en) * | 2022-02-24 | 2023-07-07 | 东北大学 | Microorganism combined hydraulic fracturing coal seam permeability-increasing system and method |
CN115492563A (en) * | 2022-09-27 | 2022-12-20 | 中煤科工集团重庆研究院有限公司 | Multi-drill-hole through type fracturing, punching, permeation increasing and pressure relieving device and method for soft coal seam |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101644166A (en) * | 2009-07-14 | 2010-02-10 | 中国矿业大学 | Method for extracting gas from high gas low permeability coal seam by punching, slotting, pressure releasing, and permeability increasing |
CN102071920A (en) * | 2010-12-30 | 2011-05-25 | 河南理工大学 | Gas extraction equipment and method for low coal penetration layer |
CN102213077A (en) * | 2011-05-25 | 2011-10-12 | 煤炭科学研究总院沈阳研究院 | Coal seam reaming system using three-dimensional (3D) swirling water jet and reaming and fracturing method for permeability enhancement |
CN102493833A (en) * | 2011-11-25 | 2012-06-13 | 重庆市能源投资集团科技有限责任公司 | Depressurized extraction method for cutting through roof or floor of coal seam by abrasive water jet |
CN102619552A (en) * | 2012-02-24 | 2012-08-01 | 煤炭科学研究总院沈阳研究院 | Directional hydraulic pressing penetration, permeability increase and outburst elimination method of guide groove |
CN103362538A (en) * | 2013-07-15 | 2013-10-23 | 中国矿业大学 | Pressure alternate gas exhausting method by slotting and fracturing coal seams |
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2014
- 2014-01-26 CN CN201410037866.XA patent/CN103912302B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101644166A (en) * | 2009-07-14 | 2010-02-10 | 中国矿业大学 | Method for extracting gas from high gas low permeability coal seam by punching, slotting, pressure releasing, and permeability increasing |
CN102071920A (en) * | 2010-12-30 | 2011-05-25 | 河南理工大学 | Gas extraction equipment and method for low coal penetration layer |
CN102213077A (en) * | 2011-05-25 | 2011-10-12 | 煤炭科学研究总院沈阳研究院 | Coal seam reaming system using three-dimensional (3D) swirling water jet and reaming and fracturing method for permeability enhancement |
CN102493833A (en) * | 2011-11-25 | 2012-06-13 | 重庆市能源投资集团科技有限责任公司 | Depressurized extraction method for cutting through roof or floor of coal seam by abrasive water jet |
CN102619552A (en) * | 2012-02-24 | 2012-08-01 | 煤炭科学研究总院沈阳研究院 | Directional hydraulic pressing penetration, permeability increase and outburst elimination method of guide groove |
CN103362538A (en) * | 2013-07-15 | 2013-10-23 | 中国矿业大学 | Pressure alternate gas exhausting method by slotting and fracturing coal seams |
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CN103912302A (en) | 2014-07-09 |
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CB03 | Change of inventor or designer information |
Inventor after: Zhang Rong Inventor after: Zhou Hongxing Inventor after: Cheng Yuanping Inventor after: Liu Qingquan Inventor after: Dai Hao Inventor before: Zhou Hongxing Inventor before: Liu Qingquan Inventor before: Zhang Rong Inventor before: Cheng Yuanping Inventor before: Dai Hao |
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COR | Change of bibliographic data | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhou Hongxing Inventor after: Zhang Rong Inventor after: Cheng Yuanping Inventor after: Liu Qingquan Inventor after: Dai Hao Inventor before: Zhang Rong Inventor before: Zhou Hongxing Inventor before: Cheng Yuanping Inventor before: Liu Qingquan Inventor before: Dai Hao |
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COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20170126 |