从烃与水的T1差异着手，针对双极化时间核磁共振测井，可以建立含烃饱和度方程。
Hydrocarbon saturation equation was set up according to T1 difference between hydrocarbon and water in dual polarization time NMR log.
经储集层段测并解释孔隙度、含气饱和度及天然气膨胀系数等校正，可作出岩石含烃浓度随深度剖面变化的成果图。
The variation of CHGR with depth is available from the calibration of the porosity, gas saturation of electric log interpretation of the reservoir and hydrocarbon gases expansion coefficient.
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