超高压水力钻割一体化增透技术参数试验考察
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摘要
为了掌握屯留井田3号煤层超高压水力钻割一体化增透合理技术参数,提高钻孔瓦斯抽采效率,对合理割缝压力、不同割缝时间的单刀出煤量进行试验,并对瓦斯抽采效果进行现场考察。试验表明:3号煤层合理割缝压力为90MPa,单刀割缝7min出煤量约为0.32t时,其割缝半径可达1.45～1.62m,钻孔瓦斯抽采效果最佳,为类似煤层超高压水力钻割一体化增透技术参数选择提供参考依据。
In order to master integrate anti-reflection technology of super high pressure hydraulic cutting of No.3 coal seam of Tunliu mine field,improving drilling gas drainage efficiency,and then coal output of single cutting under rational slotting pressure and time,gas drainage effect was inspected in field.The experiments showed that the rational slotting pressure of No.3 coal seam was 90 MPa,coal output about 0.32 t at single slotting 7 min,and its slotting radius could arrive 1.45～1.62 m,drilling gas drainage was perfect,and it reference for similar situation.
In order to master integrate anti-reflection technology of super high pressure hydraulic cutting of No.3 coal seam of Tunliu mine field,improving drilling gas drainage efficiency,and then coal output of single cutting under rational slotting pressure and time,gas drainage effect was inspected in field.The experiments showed that the rational slotting pressure of No.3 coal seam was 90 MPa,coal output about 0.32 t at single slotting 7 min,and its slotting radius could arrive 1.45～1.62 m,drilling gas drainage was perfect,and it reference for similar situation.
引文
[1]袁亮,林柏泉,杨威.我国煤矿水力化技术瓦斯治理研究进展及发展方向[J].煤炭科学技术,2015,43(1):45-49.
[2]韩颖,宋德尚.低渗煤层高压水射流割缝增透技术试验研究[J].中国安全生产科学技术,2014,10(12):35-39.
[3]刘生龙,周玉竹,邱居德,等.超高压水力割缝在坚硬突出煤层石门揭煤预抽瓦斯防突措施中的应用[J].矿业安全与环保,2017,44(5):64-67.
[4]贾同千,饶孜,何庆兵,等.复杂地质低渗煤层水力压裂-割缝综合瓦斯增透技术研究[J].中国安全生产科学技术,2017,13(4):59-64.
[5]杨慧明.深部低透煤层水力割缝卸压增透技术研究现状及发展趋势[J].煤矿安全,2018,49(6):147-151.
[6]沈春明,林柏泉,吴海进.高压水射流割缝及其对煤体透气性的影响[J].煤炭学报,2011,36(12):2058-2063.
[7]宋维源,王忠峰,唐巨鹏.水力割缝增透抽采煤层瓦斯原理及应用[J].中国安全科学学报,2011,21(4):78-82.
[8]宋宜猛,王敏,王安虎,等.超高压水射流切割煤层增透试验研究[J].能源与环保,2017,39(4):44-47.
[9]刘红星,孙占海,汤孟庆.超高压水力割缝强化抽采瓦斯技术研究[J].安徽建筑大学学报,2017,25(6):41-44.
[10]邝四华,蒋志刚.超高压水力割缝技术在瓦斯抽采中的应用[J].陕西煤炭,2017(4):76-79.
[11]张永将,孟贤正,季飞.顺层长钻孔超高压水力割缝增透技术研究与应用[J].矿业安全与环保,2018,45(5):1-5,11.
[12]姜文忠,李保东,王耀锋,等.非淹没高压旋转水射流喷嘴割缝参数试验研究[J].煤矿安全,2009,40(10):1-4.
[13]闫发志,林柏泉,沈春明,等.基于煤层卸压增透的水力割缝最优出煤量研究[J].中国煤炭,2013,39(4): 95-97.
[2]韩颖,宋德尚.低渗煤层高压水射流割缝增透技术试验研究[J].中国安全生产科学技术,2014,10(12):35-39.
[3]刘生龙,周玉竹,邱居德,等.超高压水力割缝在坚硬突出煤层石门揭煤预抽瓦斯防突措施中的应用[J].矿业安全与环保,2017,44(5):64-67.
[4]贾同千,饶孜,何庆兵,等.复杂地质低渗煤层水力压裂-割缝综合瓦斯增透技术研究[J].中国安全生产科学技术,2017,13(4):59-64.
[5]杨慧明.深部低透煤层水力割缝卸压增透技术研究现状及发展趋势[J].煤矿安全,2018,49(6):147-151.
[6]沈春明,林柏泉,吴海进.高压水射流割缝及其对煤体透气性的影响[J].煤炭学报,2011,36(12):2058-2063.
[7]宋维源,王忠峰,唐巨鹏.水力割缝增透抽采煤层瓦斯原理及应用[J].中国安全科学学报,2011,21(4):78-82.
[8]宋宜猛,王敏,王安虎,等.超高压水射流切割煤层增透试验研究[J].能源与环保,2017,39(4):44-47.
[9]刘红星,孙占海,汤孟庆.超高压水力割缝强化抽采瓦斯技术研究[J].安徽建筑大学学报,2017,25(6):41-44.
[10]邝四华,蒋志刚.超高压水力割缝技术在瓦斯抽采中的应用[J].陕西煤炭,2017(4):76-79.
[11]张永将,孟贤正,季飞.顺层长钻孔超高压水力割缝增透技术研究与应用[J].矿业安全与环保,2018,45(5):1-5,11.
[12]姜文忠,李保东,王耀锋,等.非淹没高压旋转水射流喷嘴割缝参数试验研究[J].煤矿安全,2009,40(10):1-4.
[13]闫发志,林柏泉,沈春明,等.基于煤层卸压增透的水力割缝最优出煤量研究[J].中国煤炭,2013,39(4): 95-97.