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本文通过对磁定位测井测量井下工具深度的误差因素进行分析,结合注入剖面测井伽马曲线校深后的井下工具深度对比发现仅依赖磁性定位测井测量井下工具深度是不够的,注入剖面测井用放射性测井资料与自然伽马曲线进行对比校深测量井下工具深度更精确,为此在磁定位测井中加伽马曲线来校深,实现深度的精确控制,提高井下工具深度的准确度,是确保油田调整改造的有效手段。
In this paper, by analyzing the error of downhole tool depth measured by magnetic positioning logging and by comparing the depth of downhole tool after the depth calibration of injection profile logging with gamma curve, it is not enough to measure the depth of downhole tool only by magnetic orientation logging. Well logging with radioactive logging data compared with the natural gamma curve Depth measurement of the depth of the tool is more accurate, for this purpose in the magnetic positioning logging with gamma curve to school, to achieve the depth of precise control to improve the depth of the tool down Accuracy is to ensure that the oil field adjustment and transformation of effective means.