多级脉冲气体松弛岩层地应力压裂地层的过程中裂缝内爆燃气体压力分布影响裂缝起裂扩展。
Multistage pulse gas is flabby in the process of layer of terrane crustal stress fracture deflagrate inside break aeriform pressure is cracked since distributinging influence break patulous.
气体压力分布影响裂缝尖端应力强度,因而不能用传统的破裂压力来判断裂缝起裂扩展。
Since the pressure gradient affects stress strength of crack top, it is unsuitable to judge crack initiation by the traditional breakdown pressure.
井底压力与考虑三维裂缝扩展模型时的就地岩石力学参数模型的建立,使得就地岩石力学参数的评估结果更符合实际。
Bottom hole pressure and the models of considered 3d crack propagation model in situ rock mechanics parameters, have made the assessment of situ rock mechanics parameters more realistic.
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