According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
With the emerge of image logging, especially micro-resistivity image logging(FMI), near borehole geological conditions will be evaluated quantitatively and directly.
随着成像测井技术（尤其微电阻率成像测井FMI）的开发，使得近井壁地质现象可以得到直观、定量的评价。
The purpose of cement bond log (CBL) under increasing borehole pressure is to differentiate micro annulus from bypass channel.
在井内加压下进行水泥胶结测井带压作业，其目的是将微环空与串槽区分开。
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