pumping limit of mud 泥浆的泵送限度
The limit deepness of deep bore-hole with mud dado in the soils is calculated and analysed by adopting theory of limit analysis.
利用极限分析原理对土体中泥浆护壁深钻孔的极限孔深问题进行计算研究。
In view of the engineering application, the actual connotative meaning of the dual-gradient drilling technique is that the adjustable limit of the mud density is enlarged obviously.
就工程应用意义而言，双梯度钻井技术原理的实质含义主要是泥浆密度的可调范围变大。
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