CUMULATIVE PERFORATOR MODULE Russian patent published in 2009 - IPC E21B43/117 

FIELD: oil industry.

SUBSTANCE: invention refers to oil producing devices and can be used as a part of cumulative perforators. Cumulative perforator module consists of frame 1 and cumulative charges 2 located therein. At location points of the end face part of cumulative charges 2 there made in frame 1 are holes 3 with diametrical protrusions 4, and on external surface of each housing of cumulative charge 2 there provided is end face annular projecting edge 5 and projecting edge 6 located at a distance from the end face annular projecting edge, thus forming groove 7 between them, the width of which is determined by wall thickness of frame 1. In each annular protruding edge 6 located close to the middle part of the housing of cumulative charge 2 there made are flats 8 located in diametrically opposite directions. Distance between diametrically located protrusions 4 of the frame is equal or bigger than the distance between planes of flats 8, but not more than diametre of groove 7.

EFFECT: improving processability and simplifying the design of cumulative perforator module.

2 dwg