致密储层压裂缝扩展规律与可压裂性评价

熊健,刘峻杰,吴俊,刘向君,王振林,梁利喜,张磊

Fracture propagation law and fracability evaluation of the tight reservoirs

Jian XIONG,Junjie LIU,Jun WU,Xiangjun LIU,Zhenlin WANG,Lixi LIANG,Lei ZHANG

图4 不同水平主应力差条件下声发射数累计(a)和无因次压裂缝缝长(b)的变化规律

Fig.4 Variation rule of cumulative acoustic emission number(a) and dimensionless fracture length(b) under different horizontal principal stress differences