The cementation index m is adjusted by the oil saturation of hermetical sampling core, the aim is to make oil saturation by logging data accord to oil saturation by core analysis.

• 以密闭取心井分析的含油饱和度为标准,调整岩电参数m值,使测井计算含油饱和度与岩心含油饱和度一致,获得不同孔隙类别下的岩电参数。