Nuclear magnetic T2 spectrum cutoff value determination method and device, medium and electronic equipment

The embodiment of the invention discloses a nuclear magnetic T2 spectrum cutoff value determination method and device, a medium and electronic equipment. The method comprises the steps of acquiring nuclear magnetic logging data, and determining the shape type of a nuclear magnetic T2 spectrum according to the nuclear magnetic logging data; according to the shape type, determining at least one nuclear magnetic T2 spectrum pore structure parameter corresponding to the current shape type; determining a target pore structure parameter according to a correlation coefficient between each nuclear magnetic T2 spectrum pore structure parameter and a T2 spectrum cutoff value; carrying out fitting according to each target pore structure parameter and a standard T2 spectrum cutoff value obtained through an experiment, and obtaining a T2 spectrum cutoff value fitting formula corresponding to the current shape type; and determining the T2 spectrum cutoff value of a target test object according to the T2 spectrum cutoff val