2228岩性密度仪长源距盖板开孔尺寸影响探测器探测效率的验证

The logging efficiency of 2228 density logging tool about the center hole size of the long-distance source cover

本文针对密度长源距盖板开孔尺寸对探测器探测效率进行分析和验证,确定了长源距盖板尺寸对探测器探测效率的影响。通过对长源距盖板开孔尺寸的确定,使得仪器能够满足精确测量的要求,解决因长源距盖板开孔尺寸问题而造成的地层密度测量值不准确。

This article analyzes and verifies the detection efficiency of the probe with the density long-distance source cover of 2228,and determines the influence of the detection efficiency of the center hole size of long distance cover.Through the determination of center hole size of the cover,enables the instrument to fit the requirements of accurate measurement,to solve the problem about the mis-logging from the incorrect center hole size of the cover of 2228 density logging tool.