白皎煤矿低渗强突煤层增透技术应用
Application of Permeability Improved Technology in Low Permeability and Outburst Coal Seam in Baijiao Coal Mine
摘要:
针对白皎煤矿2382工作面，设计水力压裂钻孔布置，并将压裂区域与未压裂区域进行对比分析，考察压裂影响半径及压裂效果，结果表明：非压裂区域内抽采钻孔的平均单孔抽采纯量是15.2 m3/min，压裂区域内的平均单孔纯量是41.74 m3/min，即压裂区域内抽采钻孔的平均单孔抽采纯量是非压裂区域的2.75倍。根据压裂孔出水及见水情况分析，所有抽采钻孔均处于压裂影响范围内，压裂孔影响距离在80 m以上。
Abstract:
According to the 2382 working face of Baijiao coal mine, the layout of hydraulic fracturing drilling hole is designed, and the fracture zone and the non fractured area are compared and analyzed to investigate the influence radius and fracturing effect of the fracturing. The results show that the average single hole extraction purity of the non fractured zone is 15.2 m3/min, and the average single hole pure quantity in the fractured region is 41.74 m3/min, that is, the average single hole extraction purity in the fractured zone is 2.75 times that of the non fractured zone. According to the analysis of fractured hole effluent and water condition, all the boreholes are in the range of fracturing, and the distance between fracturing holes is above 80 m.
参考文献
|
[1]
|
黄炳香, 程庆迎, 刘长友, 等. 煤岩体水力致裂理论及其工艺技术框架[J]. 采矿与安全工程学报, 2011, 28(2): 167-173.
|
|
[2]
|
周红星, 程远平, 刘洪永, 等. 突出煤层穿层钻孔孔群增透技术及应用[J]. 煤炭学报, 2011(9): 1515-1518.
|
|
[3]
|
吕闰生, 倪小明, 刘高峰, 等. 煤层气井水力压裂有效消突边界物理模型[J]. 煤炭学报, 2016, 41(9): 2273-2280.
|
|
[4]
|
林柏泉, 孟杰, 宁俊, 等. 含瓦斯煤体水力压裂动态变化特征研究[J]. 采矿与安全工程学报, 2012, 29(1): 106-110.
|
|
[5]
|
陈铭, 张士诚, 柳明, 等. 水力压裂支撑剂嵌入深度计算方法[J]. 石油勘探与开发, 2018(1): 149-156.
|
|
[6]
|
李胜, 任延平, 范超军, 等. 钻孔间距对水力压裂促抽煤层瓦斯的影响[J]. 中国安全生产科学技术, 2018, 14(1): 71-76.
|
|
[7]
|
朱亚东洋, 王金磊, 孙锋, 等. 水力压裂微地震井地联合监测系统及仪器[J]. 地球物理学报, 2017(11): 4282-4293.
|
|
[8]
|
许江, 马天宇, 彭守建, 等. 煤岩体水力压裂动态演化物理模拟试验研究[J]. 煤炭科学技术, 2017, 45(6): 9-16.
|
|
[9]
|
万小乐, 赫建明, 郑博. 单轴加载条件下页岩层理角度对水力压裂缝扩展规律影响研究[J]. 工程地质学报, 2017, 25(1): 88-94.
|
|
[10]
|
周东平, 李栋. 煤矿井下水力压裂裂缝监测技术研究[J]. 煤炭技术, 2017, 36(11): 151-154.
|