That part of the effect of gas on the neutron porosity measurement that is not explained by differences in hydrogenindex.
天然气对中子孔隙度测量的影响不能由含氢指数的差别来解释。
2
In this paper, the stratigraohic volume density and hydrogenindex gained from the information of density-neutron logging are respectively compared with both the low-limit values of gas formation.