bottom hole orientation sub

例句：

1. 1. The drilling company used a bottom hole orientation sub to accurately locate the target rock formation.
   钻探公司使用底孔定向子来准确地定位目标岩石构造。
2. 2.During the drilling process, the bottom hole orientation sub was used to monitor the wellbore stability.
   在钻井过程中，底孔定向子被用来监测井壁的稳定性。
3. 3.The bottom hole orientation sub helped engineers determine the optimal drilling path for achieving maximum production from the reservoir.
   底孔定向子帮助工程师确定从储层中实现最大产量的最佳钻井路径。