分析了自然伽马测井仪在套后井测量中出现的异常现象的原因并提出了可靠的解决方法。
This paper analyzes the cause that leads to abnormal phenomenon occurring outside casing during logging with the nature gamma rav tool and presents reliable solutions to it.
通过对探测器、高压电源、传输驱动电路在最坏情况下的可靠性分析，有针对性地对自然伽马测井仪进行了优化设计，效果良好。
The optimize design were processed based on reliability analysis of detector, high voltage source and transmission driven circuit under the worst case, and the evident effect was good.
推导出1318XA自然伽马能谱测井仪的泥浆修正公式，铀镭不平衡修正公式，提出矿层厚度划分方法。
The mud correction and uranium-radium non-equilibrium correction equation have been derived for 1318XA natural gamma-ray spectroscopy tool, and the division method of deposit thickness is proposed.
为了克服自然伽马测井时，由于统计起伏所造成的测量曲线重复性误差而设计制造HB97型测井仪。
HB97 bigger crystal nature gamma logging tool is designed for overcoming logging curve repeating errors due to statistical variation.
研制了一种与成像测井高速遥传系统配接的高性能自然伽马能谱测井仪。
A high performance natural gamma-ray spectrometry logging tool is developed, and it is designed for the high-speed telemetry system of image logging unit.
随钻自然伽马—感应测井仪由MWD、随钻自然伽马仪及随钻感应电阻率仪组成。
The NGR and induction resistivity while logging System is composed of MWD, NGR and resistivity tool.
随钻自然伽马—感应测井仪由MWD、随钻自然伽马仪及随钻感应电阻率仪组成。
The NGR and induction resistivity while logging System is composed of MWD, NGR and resistivity tool.
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