钻井过程中的油层污染可分为泥浆固相颗粒侵入和滤液侵入2种类型。
The formation damage during drilling are recognized as 2 types: mud solid particles plug and mud filtrate invasion.
本文提出了利用渗透率测定仪检测泥浆固相颗粒侵入岩芯深度的方法——分段截割法。
A method for determining the depth of invasion by drilling solids from permeability measurement is proposed in this paper.
本文具体讨论了注水过程中由于固体颗粒侵入造成地层伤害的非线性抛物型偏微分方程反问题模型。
In this paper, an inverse problem of a nonlinear parabolic partial differential equation of formation damage caused by the solids invading during the course of injection is presented.
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