Nuclear magnetic logging is a high technology and only by which the free fluid porosity of an oil-bearing bed can be measured directly.
核磁测井是当代唯一能够直接测量油层自由流体孔隙度的高技术。
The actual detection characteristics of the magnetic logging equipment are discovered in experiments, and the calibration method of the magnetic logging equipment is put forward.
通过实验的方法，发现了磁测井仪的实际探测特性，进而提出了仪器的刻度方法。
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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