|本期目录/Table of Contents|

[1]王明重,吕辰,陈凯.下向测压钻孔封孔技术研究[J].中国安全生产科学技术,2014,10(4):109-113.[doi:10.11731/j.issn.1673-193x.2014.04.019]
　WANG Ming zhong,LV Chen,CHEN Kai.Research on sealing technique for determination of gas pressure by downwardhole drilling[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(4):109-113.[doi:10.11731/j.issn.1673-193x.2014.04.019]
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下向测压钻孔封孔技术研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
10
期数:
2014年4期
页码:
109-113
栏目:
职业安全卫生管理与技术
出版日期:
2014-04-28

文章信息/Info

Title:
Research on sealing technique for determination of gas pressure by downwardhole drilling
作者:
王明重1; 2;  吕辰1;  陈凯1; 2
（1安徽理工大学 能源与安全学院，安徽淮南232001; 2煤矿安全高效开采省部共建教育部重点实验室，安徽淮南232001）
Author(s):
WANG Ming zhong 1; 2; LV Chen 1; CHEN Kai 1; 2
（1Institute of Energy and Safety，Anhui University of Science ＆ Technology，Huainan Anhui 232001，China； 〖JP3〗2High Efficient Coal Mining Key Lab of Coconstruction of Anhui Province with Ministry of Education,Huainan Anhui 232001，China)
关键词:
复杂煤层; 下向钻孔; 封孔; 测压
Keywords:
complex coal seam; downwardhole drilling;  sealed drilling;  measuring pressure
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2014.04.019
文献标志码:
A
摘要:
目前复杂煤层赋存条件下下向钻孔测定煤层瓦斯压力普遍面临钻孔封孔效果不理想、煤层瓦斯压力测定失败、钻孔进水损坏压力表等问题。针对此,提出了一种新的测压封孔技术即联合持续增压二级封孔测压技术，阐述了该工艺的基本原理，配制了新型发泡水泥和封孔粘液，并进行了工业性试验。试验结果表明，应用该项技术能够有效地动态封堵发育中的裂隙从而实现准确快速测压。
Abstract:
At present, the determination of coal seam gas pressure by drilling downward in complex coal seam occurrence condition is generally faced with problems such as unsatisfactory drilling hole sealing, failure of coal seam gas pressure determination and even damage of pressure gauge due to water in borehole. In this paper, a new pressure hole sealing technologya combined supercharging secondary pore pressure sealing technology was put forward, the basic principle of the process was expounded, a new type of foamed cement and sealing hole mucus were then prepared and the industrial test was carried out. Results showed that the new technology can dynamically fix developing fracture effectively so as to realize rapid determination of coal seam gas pressure.

参考文献/References:


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相似文献/References:

[1]戎立帆,柏发松,车志飞.下向穿层瓦斯抽采钻孔新型封孔方法及应用[J].中国安全生产科学技术,2014,10(8):64.[doi:10.11731/j.issn.1673-193x.2014.08.011]
　RONG Li-fan,BAI Fa-song,et al.New hole sealing method and application for gas extraction by downward cross-layer drilling[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(4):64.[doi:10.11731/j.issn.1673-193x.2014.08.011]

备注/Memo

备注/Memo:
安徽理工大学科研资助项目（ZZ1308)
更新日期/Last Update: 2014-04-28