In recent years, bridge plug technology based on soluble materials has gradually gained popularity, but there are currently a dazzling variety of products on the market, and the following problems exist in specific field applications:

· Bridge plug dissolution residue: The bridge plug body in the wellbore is not completely dissolved, and there are many residues;

· Sealant cartridge: The bridge plug rubber cartridge is not completely dissolved, and it is difficult to handle in the later passage of the well;

· Small diameter: during the blasting after the fracturing, the formation of sand will easily block the bridge plug channel, which is unfavorable for the bridge plug to dissolve.

This bridge plug has the characteristics of short size, light weight, small rubber tube and large diameter. The fully soluble bridge plug slips, fracturing ball, rubber tube, and body solve all the problems encountered by the current soluble bridge plug