Stress distribution modality in rock mass and root effect are also introduced. And the concept of safety storage coefficient is put forward.
阐释了锚索的根状效应和围岩应力场分布形态，提出安全储备系数概念。
By the linear relationship between newly introduced variable AD and BD, wellbore storage coefficient (c) has been reached, meanwhile, wellbore 's damage coefficient (s) has been given.
由新引进的变量ad和BD之间的直线关系，求出了井筒存储系数C值。同时，给出了井筒污染系数S值。
The dimensionless average formation pseudo pressure is directly proportional to the dimensionless producing time if the influence of wellbore storage coefficient and skin factor is neglected.
在不考虑井筒储集系数和表皮系数影响的情况下，无量纲平均地层拟压力与无量纲生产时间成正比。
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