- Chinese Core Periodicals
- Chinese Core Journals of Science and Technology
- RCCSE Chinese Authoritative Academic Journals
| Citation: |
YANG Weifeng, LIU Jianlin, LIU Fei, et al. Analysis of drilling and reaming technique of large diameter high directional hole and gas extraction effect[J]. Safety in Coal Mines, 2024, 55（1）: 50−56. DOI: 10.13347/j.cnki.mkaq.20221669
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Aiming at the problems of low comprehensive efficiency and high treatment cost in the conventional treatment of mining pressure relief gas in “U” ventilation mining face, taking a mining face in Jincheng Mining Area, Shanxi Province as the research object, ϕ200 mm large diameter high-position directional borehole for gas control of mining pressure relief is proposed. Based on the analysis of the technical difficulty of large-diameter high-position directional borehole in the roof of the coal mine, the key drilling equipment are selected, including ZDY20000LD directional drilling rig, BLY460 mud pump truck and multi-power expanding drilling tool. The combined strong slag-discharge directional drilling technology and multi-dynamic single-reaming technology have been developed to realize directional drilling of ϕ120 mm high hole and single-reaming of ϕ200 mm hole under complex formation conditions, the comprehensive drilling efficiency is more than 50% higher than that of conventional multi-stage expanding. The gas drainage effect shows that the area of 30-40 m away from the roof and 40 m away from the return air roadway is the mining fracture intensive development area. The average gas drainage concentration in the borehole is maintained at more than 40% and the maximum pure amount of gas drainage is 10.94 m3/min, which has remarkable effect.
| [1] |
王耀锋. 中国煤矿瓦斯抽采技术装备现状与展望[J]. 煤矿安全,2020,51(10):67−77.
WANG Yaofeng. Current situation and prospect of gas extraction technology and equipment for coal mines in China[J]. Safety in Coal Mines, 2020, 51(10): 67−77.
|
| [2] |
石智军,姚克,姚宁平,等. 我国煤矿井下坑道钻探技术装备40年发展与展望[J]. 煤炭科学技术,2020,48(4):1−34.
SHI Zhijun, YAO Ke, YAO Ningping, et al. 40 years of development and prospect on underground coal mine tunnel drilling technology and equipment in China[J]. Coal Science and Technology, 2020, 48(4): 1−34.
|
| [3] |
高宏,杨宏伟. 超大直径钻孔采空区瓦斯抽采技术研究[J]. 煤炭科学技术,2019,47(2):77−81.
GAO Hong, YANG Hongwei. Super large diameter borehole gob gas extraction technology[J]. Coal Science and Technology, 2019, 47(2): 77−81.
|
| [4] |
刘超,孙宝强,李树刚,等. 厚煤层双重卸压采动覆岩裂隙分布特征及卸压瓦斯抽采技术[J]. 煤矿安全,2021,52(12):89−96.
LIU Chao, SUN Baoqiang, LI Shugang, et al. Distribution characteristics of fractured rock in overburden induced by double pressure relief mining of thick coal seam and pressure relief gas extraction technology[J]. Safety in Coal Mines, 2021, 52(12): 89−96.
|
| [5] |
陈龙,龚选平,白廷海,等. 考虑推进速度效应的高位定向钻孔优势布置与效果分析[J]. 煤矿安全,2022,53(5):157−163.
CHEN Long, GONG Xuanping, BAI Tinghai, et al. Superior layout and effect analysis of high directional drilling considering advancing speed effect[J]. Safety in Coal Mines, 2022, 53(5): 157−163.
|
| [6] |
李树刚,杨二豪,林海飞,等. 深部开采卸压瓦斯精准抽采体系构建及实践[J]. 煤炭科学技术,2021,49(5):1−10.
LI Shugang, YANG Erhao, LIN Haifei, et al. Construction and practice of accurate gas drainage system for pressure relief gas in deep mining[J]. Coal Science and Technology, 2021, 49(5): 1−10.
|
| [7] |
林海飞,李树刚,赵鹏翔,等. 我国煤矿覆岩采动裂隙带卸压瓦斯抽采技术研究进展[J]. 煤炭科学技术,2018,46(1):28−35.
LIN Haifei, LI Shugang, ZHAO Pengxiang, et al. Research progress on pressure released gas drainage technology of mining cracking zone in overburden strata of coal mine in China[J]. Coal Science and Technology, 2018, 46(1): 28−35.
|
| [8] |
孙荣军,李泉新,方俊,等. 采空区瓦斯抽采高位钻孔施工技术及发展趋势[J]. 煤炭科学技术,2017,45(1):94−99.
SUN Rongjun, LI Quanxin, FANG Jun, et al. Construction technology and development tendency of high level borehole for gas drainage in goaf[J]. Coal Science and Technology, 2017, 45(1): 94−99.
|
| [9] |
方俊,石智军,李泉新,等. 顶板高位定向大直径长钻孔钻进技术与装备[J]. 矿业研究与开发,2015,35(7):92−97.
FANG Jun, SHI Zhijun, LI Quanxin, et al. Drilling technology and equipments on directional high level and long borehole with large diameter in roof[J]. Mining Research and Development, 2015, 35(7): 92−97.
|
| [10] |
许超,王鲜,李泉新,等. 顾桥煤矿顶板复杂地层中高位定向钻孔成孔试验[J]. 煤田地质与勘探,2018,46(3):184−188.
XU Chao, WANG Xian, LI Quanxin, et al. Borehole-forming experiment of high level directional drilling in complex seam roof of Guqiao coal mine[J]. Coal Geology & Exploration, 2018, 46(3): 184−188.
|
| [11] |
童碧,许超,刘飞,等. 淮南矿区瓦斯抽采中以孔代巷技术研究与工程实践[J]. 煤炭科学技术,2018,46(4):33−39.
TONG Bi, XU Chao, LIU Fei, et al. Technology research on borehole in place of roadway and its engineering practice in gas drainage of Huainan Mining Area[J]. Coal Science and Technology, 2018, 46(4): 33−39.
|
| [12] |
史博文,白建平,郝春生,等. 采动覆岩裂隙动态演化规律的三维模拟[J]. 煤矿安全,2019,50(7):259−262.
SHI Bowen, BAI Jianping, HAO Chunsheng, et al. Three-dimensional simulation of dynamic evolution of mining-induced overburden fractures[J]. Safety in Coal Mines, 2019, 50(7): 259−262.
|
| [13] |
孟祥军,林海飞,王超,等. 巨厚煤层综放工作面覆岩“三带”演化特征[J]. 煤矿安全,2021,52(6):85−90.
MENG Xiangjun, LIN Haifei, WANG Chao, et al. Evolution characteristics of overburden three zones in fully-mechanized caving face in huge thick coal seam[J]. Safety in Coal Mines, 2021, 52(6): 85−90.
|
| [14] |
许超. 淮南复杂顶板高位孔强造斜定向钻进技术实践[J]. 煤矿安全,2019,50(9):151−154.
XU Chao. Directional drilling technology of strong deflection of high-level borehole in complicated stratum of roof in Huainan Mining Area[J]. Safety in Coal Mines, 2019, 50(9): 151−154.
|
| [15] |
高光超,李宗翔,张春,等. 基于三维“O”型圈的采空区多场分布特征数值模拟[J]. 安全与环境学报,2017,17(3):931−936.
GAO Guangchao, LI Zongxiang, ZHANG Chun, et al. Numerical simulation multi-field distribution characteristic features of the goaf based on 3D“O”type circle[J]. Journal of Safety and Environment, 2017, 17(3): 931−936.
|
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