Acid liquor effective action distance calculation method considering wormhole filtration

The invention discloses an acid liquor effective action distance calculation method considering wormhole filtration. The acid liquor effective action distance calculation method comprises the following steps: S1, calculating a wormhole total filtration coefficient through a compressibility filtration coefficient, a wall building filtration coefficient and a wormhole viscosity filtration coefficient; S2, calculating the average filtration velocity through the total filtration coefficient and the construction time, and calculating the dynamic fracture length through the displacement, the fracture height and the construction time; S3, calculating the average width of the fracture according to the viscosity of the acid liquor, the displacement, the dynamic fracture length, the fracture height and the elastic modulus of the rock, and calculating the Picrit number according to the hydrogen ion mass transfer coefficient, the average filtration velocity and the average fracture width; and S4, obtaining a correspondin