When the gas saturation in formation is high, the characters of low neutron, low density, high interval transit time and high resistance are obvious;
当地层含气饱和度较高时，有低中子、低密度、高时差及高电阻率特征明显；
When the gas saturation in formation is high, the characters of low neutron, low density, high interval transit time and high resistance are obvious;
当地层含气饱和度较高时，有低中子、低密度、高时差及高电阻率特征明显；
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