Attenuations of different types of gas hydrate cementation in fluid-saturated porous solids are discussed.The factors affecting estimation of gas hydrate and free gas saturation are analyzed.

• 摘要讨论了不同水合物胶结类型的流体饱和多孔隙固体中地震波的衰减情况，分析了估算天然气水合物和游离气饱和度影响因素。