For logging trave influenced by gas saturation, log data can't reflect reservoir porosity.
测井曲线受天然气影响, 致使测井值不能准确反映储层孔隙度.
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Compressional wave velocity based on Two - Phase theory is used to estimate hydrate and free gas saturation.
目前大多通过双相介质理论的纵波速度来估计水合物和游离气的饱和度.
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