These key factors are analysed in this paper using pressure equalization principle, and a formula for calculating process parameters of lost circulation control is deriv...

• 本文采用压力平衡原理对堵漏钻柱的下入深度、顶替量及顶替排量进行了分析和推导，给出了在失返条件下水泥浆堵漏工艺参数的计算公式。