Fracturing construction pressure prediction model establishment method and device and prediction method and device

The invention relates to the field of artificial intelligence, and provides a fracturing construction pressure prediction model building method and device and a prediction method and device.The fracturing construction pressure prediction model building method comprises the steps that fracturing site construction data and fracturing planning data of multiple time steps are collected; constructing a plurality of input samples according to the fracturing site construction data of p time steps and the fracturing planning data of p + 1 to p + q time steps; constructing a plurality of calibration construction pressure vectors corresponding to the input sample according to the construction pressure of p + 1 to p + q time steps; and training parameters in a pre-established neural network model by using the plurality of input samples and the calibrated construction pressure vector, and taking the neural network model obtained by training as a construction pressure prediction model. The construction pressure prediction