1·The unbalance of the formation stress causes collapses of a borehole wall.
地应力场的非平衡性使井眼产生崩落现象。
2·The electrodes are mounted on a pad that is pressed against the borehole wall.
测量过程中，电极放置在极板上紧贴井壁测量。
3·That part of a wireline logging tool that is pressed firmly against the borehole wall.
电缆测井仪器的一部分，测井过程中紧贴在井壁上。
4·The inside part and outside part are combined with the temperature of borehole wall directly.
内外两部分之间通过钻孔壁温耦合连接。
5·It showed that eccentric pressure is produced by eccentric decouple charge blasting on borehole wall.
实验结果表明，偏心不耦合装药在孔壁上形成明显的偏心应力场。
6·An unfocused electrode device with small spacings, mounted on a pad and pressed against the borehole wall.
一种短源距不聚焦的电极系测井设备，安装在极板上紧贴井壁。
7·The pad holds sensors that are focused in one direction and must be as close as possible to the borehole wall.
极板上的探测器可以在一个方向聚焦，尽可能地贴靠在井壁上。
8·The relationship between borehole wall collapses, their directions and the formation stress field is discussed.
本文讨论了井眼崩落及其方位与地应力场的关系。
9·A continuous 360-degree annular space around casing allows cement to completely seal the casing to the borehole wall.
围绕套管的四周360度的环型空间允许水泥完全能够密封套管与井壁。
10·Mechanism of smooth borehole wall protection blasting and calculation method of the charge are analyzed in this paper.
分析了光面护壁爆破的机理和装药量的计算方法。