According to the principle of manual calculating perforating depth, the paper has designed computer processing method.
依据手工射孔深度计算原理，设计了计算机处理方法。
Caliper logging is mainly used to determine the change of inside diameters of casings, perforating depth and the depth of collars.
井径测井主要用于确定套管内径变化、射孔孔深及接箍深度等。
Logging cable magnetic mark, as the standard of perforating depth, lays an important role in the exploration and development of oilfield.
电缆磁性记号作为测井射孔的深度标准，在油田勘探开发中占有极其重要的地位。
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