Mechanical drilling speed prediction method and device based on optimized stacking prediction model

The invention provides a mechanical drilling speed prediction method and device based on an optimized stacking prediction model. The method comprises the following steps: acquiring drilling data of a target drilling well; inputting the drilling data into a pre-trained optimization stacking prediction model, and outputting a mechanical drilling speed prediction result of the target drilling well; the optimization stacking prediction model comprises a first parallel processing layer and a prediction layer which are arranged in sequence; the first parallel processing layer comprises a plurality of base learners arranged in parallel, and the plurality of base learners are respectively used for outputting corresponding initial test results to the second parallel processing layer; the second parallel processing layer comprises a plurality of fitting devices which are arranged in parallel, and the plurality of fitting devices are used for splicing and outputting initial test results output by the plurality of base l