Pressure prediction method and device based on improved mudstone impedance difference, equipment and medium

The invention provides a pressure prediction method, device and equipment based on an improved mudstone impedance difference and a medium, and the method comprises the following steps: S1, carrying out the intersection of formation pressure and mudstone longitudinal wave difference impedance through logging information, and determining an empirical parameter; and S2, obtaining mudstone longitudinal wave velocity and mudstone longitudinal wave impedance based on seismic inversion, and calculating formation pressure. According to the pressure prediction method provided by the invention, the formation pressure change is reflected more accurately, and the prediction precision is improved, so that reliable technical support is provided for prediction of the pre-drilling pressure in the oil exploration process, and large-scale popularization and application are facilitated. 本发明提供一种基于改进泥岩阻抗差的压力预测方法、装置、设备及介质，所述压力预测方法包括以下步骤：S1、采用测井资料对地层压力和泥岩纵波差阻抗进行交汇，确定经验参数；S2、基于地震反演求取泥岩纵波速度与泥岩纵波阻抗，计算地层压力。本发明提供的压力预测方法更为准确地反应了地层压力变化，提升