煤矿安全2017，Vol.48Issue(5)：29-32,4.DOI:10.13347/j.cnki.mkaq.2017.05.009
相似材料中煤粉粒径对水力压裂影响的试验研究
Experimental Study on Effect of Coal Partical Size on Hydraulic Fracturing in Similar Materials
摘要
Abstract
In order to study the influence of coal partical sizes on the effect of hydraulic fracturing during the selection of similar materials,taking the samples with different particle size of pulverized coal forming as fracturing objects,the hydraulic fracturing test was carried out under the condition of the same stress and fracturing fluid displacement with the hydraulic fracturing test system.The results show that the fracture pressure of formed sample is bigger with the increase of pulverized coal size,and the rupture zone is larger and the extended path is more smooth.With the decrease of coal powder size,the expansion of hydraulic fracture is easy to be affected by the coal powder and the expansion path becomes more complex.关键词
煤层气/水力压裂/煤粉/破裂压力/水力裂缝/物理模拟Key words
coalbed methane/hydraulic fracturing/pulverized coal/fracture pressure/hydraulic fracture/physical simulation分类
矿业与冶金引用本文复制引用
张帆,马耕,刘晓,冯丹..相似材料中煤粉粒径对水力压裂影响的试验研究[J].煤矿安全,2017,48(5):29-32,4.基金项目
河南省教育厅科学技术研究重点资助项目(13A440320) （13A440320）
河南省科技创新杰出青年基金资助项目(164100510024) （164100510024）
2015年安全生产重大事故防治关键技术重点科技资助项目(henan-0007-2015AQ) （henan-0007-2015AQ）
