泥饼的渗透率较低，能阻止泥浆滤液进一步渗入地层。
The mud cake which permeability is very low can prevent mud filtrate from invading further the formation.
反演结果又通过泥浆滤液侵入的理论计算得以互相验证。
The inversion results can be mutually verified by theoretical computation of mud invasion based on buckley-Leveret theory.
在水平井中，泥浆滤液会沉到井底，碳氢化合物则在泥浆滤液上面。
In a horizontal well, the mud filtrate will sink below the well, leaving hydrocarbons above it.
在钻井过程中，井筒泥浆柱压力和地层压力的不平衡使得泥浆滤液不断渗入地层。
During the drilling procedure, the mud filtrates continuously penetrate into the formation because of the unbalance between the mud column pressure in the borehole and formation pressure.
测定结果表明，试验所用的油基和水基泥浆滤液的侵入均对油相渗透率造成相当严重的损害。
The measurement results showed that the invasion of the filtrates of oil-base mud and water-base mud has a considerable effect on oil phase permeability.
自然电位与地层流体的矿化度有密切关系，侵入带中泥浆滤液的矿化度对自然电位测井有较大的影响。
Spontaneous potential (SP) of a formation has tight relationship with salinity of formation liquid, the salinity of mud filtrate in invaded zone affects SP log considerably.
钻井泥浆滤液储层侵入研究有助于正确识别油气水层。泥浆侵入较浅时，可以利用测井响应识别部分油层；
Study of mud filtrate invasion on reservoir is helpful to identify oil, gas and water zones correctly.
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.
文章还深入地分析了水泥浆的污染深度，滤液中的成分，沉淀物的数量及析出的先后次序等问题。
This paper also analyzes the pollution depth, the filtrate composition, the quantity of precipitates, and the separation sequence.
文章还深入地分析了水泥浆的污染深度，滤液中的成分，沉淀物的数量及析出的先后次序等问题。
This paper also analyzes the pollution depth, the filtrate composition, the quantity of precipitates, and the separation sequence.
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