We study the magnitude deviation of borehole seismograph and DK 1 seismolograph in Daqing network.

对大庆台网深井摆和DK-1仪器测定的震级偏差进行了研究。

youdao

This paper introduces successful construction method and control measure currently used for holedrill, borehole deviation, protection tube, and embedment and installation of bimetal mark.

介绍了目前比较成功的倒垂孔钻孔、钻孔偏斜、保护管安装、双金属标的埋设及安装等施工方法和控制措施。

youdao

For the case of tilted borehole, deviation correction for the attitude values should be executed.

对于井眼倾斜的情况，只有进行了井斜校正后，才能获得真实的地层产状。

youdao