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.
理论认为当储层中存在着天然气时，会导致纵波时差增大，横波时差不变，密度测井值减小，中子孔隙度减小。
Theoretically, when gas exists in reservoir, longitudinal wave offset time will increase and transverse wave offset time will not change and density will decrease and neutron will decrease, too.
由于孔隙空间存在着气体，同一地层的中子孔隙度测井和密度孔隙度读数不同。
Different porosity reading on the neutron porosity log for the same formation due to gas in the pore space.
低密度井眼流体会对补偿中子孔隙度测井产生井眼挖掘效应，使视孔隙度值低于真孔隙度，且井眼流体密度越小，井眼尺寸越大，地层孔隙度越大，井眼挖掘效应越明显。
The low density drilling fluid has borehole excavation effect on compensated neutron porosity logging, and by this way apparent porosity is lower than the true value.
其资料来源于电阻率测井、密度测井、中子测井和声波测井。计算结果包括孔隙度、次生孔隙度、颗粒密度、流体分析、含水饱和度以及地层分析。
The log is made from resistivity, density, neutron, and sonic log data and shows porosity, secondary porosity, grain density, fluid analysis, water saturation, and formation analysis.
其资料来源于电阻率测井、密度测井、中子测井和声波测井。计算结果包括孔隙度、次生孔隙度、颗粒密度、流体分析、含水饱和度以及地层分析。
The log is made from resistivity, density, neutron, and sonic log data and shows porosity, secondary porosity, grain density, fluid analysis, water saturation, and formation analysis.
应用推荐