The invention discloses a wall breaking device used for breaking a perforation compaction layer of an oil and gas well, and relates to the technical field of
petroleum perforation, the wall breaking device comprises a perforating gun, a bullet frame, a perforating bullet, an acting device and a detonating cord, the acting device is detachably installed at an opening of the perforating bullet, the head of the acting device is filled with energy particles arranged in multiple
layers, and the energy particles are arranged in multiple
layers. A positioning clamping ring is installed in the shell and used for adjusting the distance between the energy particles and the blasting
powder. Compared with the prior art, according to the multi-layer charging structure, particles can be fully rubbed and impacted in the pore channels, a more violent acting effect is triggered, and the pore channels without compaction
pollution are generated. In addition, due to the design of the positioning clamping ring, the perforating bullet can be kept at the end away from the
blind hole all the time, larger burst height is obtained for
jet flow, and the technical problems that a traditional perforating hole channel is narrow and blocked, and compaction
pollution exists in the hole channel are effectively solved.