The traditional dilatancy equation of Cam-clay model was modified and the relativity between the phase transformation stress ratio and initialeffectivepressure was considered.
模型对传统修正剑桥模型中的剪胀性公式进行了改进,考虑了状态转换应力比与初始有效围压的相关性。
2
For a new well, it is an important work to determine initial reservoir pressure, effective permeability, summary skin coefficient, supplementary pressure loss and flow efficiency.