In this paper, hydrofracturing breakdown pressure formula is deduced with linear elastic fracture mechanics, and proved exprimentally with rock salt specimen.

• 本文用线弹性断裂力学理论推导出了在水力压裂情况下轴向对称裂纹钻孔的破裂压力表达式,并用岩盐试件进行了实验验证。