gamma-ray tool 伽马测井仪
scintillation gamma ray tool 闪烁自然伽马测井仪
tracer gamma ray tool 示踪伽马射线测井仪
through-tubing gamma ray tool 过油管伽马测井仪
MWD gamma ray tool 随钻自然伽马测井仪
tubing gamma ray tool 过油管伽马测井仪
nature gamma ray tool 自然伽马井下仪
nature gamma ray tool while 随钻自然伽马仪
This system consists of sonic sonde, magnetic locator sub, gamma ray tool, depth system, surface preprocessing unit, data acquisition interface, PC486 and thermal plotter.
该系统由声波、磁定位和自然伽马下井仪、深度系统、地面预处理电路、数据采集控制接口电路、486微机和热敏绘图仪等构成。
The tool bombards the formations with neutrons and measures both the inelastic and capture gamma ray spectra that results.
利用中子轰击地层，测量由此产生的非弹性和俘获伽马射线谱。
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.
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。
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