1.The measured length of each joint of drill pipe or tubing is added to provide a total depth or measurement to the point of interest.
每节钻杆或油管的测量长度相加可提供至所研究位置的总深度。
2.At section total depth(TD), the well was only 4. 5 m away from the planned trajectory.
命令的推动是非常准确的。在一节总深度(运输署),以及只有4.5米以外的计划轨迹。