源距是中子测井仪器的主要参数，它在很大程度上决定测井仪的孔隙度精度、灵敏度、分辨率以及环境因素影响状况。
Source spacing is one of the key parameters of neutron logging tool, by which permeability precision, sensitivity, resolution of the logging tool are determined to a large extent.
中子测井是提供地层孔隙度和岩性信息的重要手段。
Neutron log is an important means for providing porosity and lithology information.
含氢指数是中子孔隙度测井响应的主要参数。
It is a key factor in the response of a neutron porosity log.
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