Sedimentary layer velocities are related with gas hydrate saturation, elastic properties and porosity based on Two-Phase theory and thermoelastic theory.

• 摘要基于双相介质理论和热弹性理论，建立了沈积层纵波速度与天然气水合物饱和度、弹性性质及地层孔隙度之间的关系。