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In geophysics and reflection seismology, the Zoeppritz equations are a set of equations that describe the partitioning of seismic wave energy at an interface, typically a boundary between two different layers of rock. They are named after their author, the German geophysicist Karl Bernhard Zoeppritz, who died before they were published in 1919.
A method, apparatus, equipment, storage medium, and product for predicting gas saturation.
This specification relates to the field of seismic data processing and interpretation technology, and provides a method, apparatus, device, storage medium, and product for predicting gas saturation. The method includes: acquiring pre-stack angle gather data of a target reservoir; performing pre-stack inversion on the pre-stack angle gather data using the Zoeppritz equation to obtain the elastic parameters of the target reservoir; and inputting the elastic parameters of the target reservoir into a pre-trained gas saturation prediction model to obtain the gas saturation of the target reservoir. The gas saturation prediction model is trained based on a KAN model, which uses a learnable activation function to capture the nonlinear relationship between the elastic parameters and the gas saturation. This specification's embodiments can improve the accuracy of gas saturation prediction.
Owner:PETROCHINA CO LTD