自然伽玛能谱测井能够提供多种地质参数，刻度模型是该项测井必不可少的基础设施。
Gamma ray spectrolog can provide many formation parameters. Calibration pits are its imperative basic device.
本装置除提供自然伽玛能谱测井仪刻度外，还可用于现场刻度器的检测、环境校正试验及解谱方法试验。
Besides calibration of the tool, the pits can also be used for testing of field calibrator and environment correction.
本装置除提供自然伽玛能谱测井仪刻度外，还可用于现场刻度器的检测、环境校正试验及解谱方法试验。
Besides calibration of the tool, the pits can also be used for testing of field calibrator and environment correction.
应用推荐