SELF-ORIENTED PERFORATOR Russian patent published in 2016 - IPC E21B43/117 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil and gas industry, particularly to structural cumulative perforators for perforating operations in oil and gas wells. Self-oriented perforator comprises separate sections, interconnected by connection units of sections with execution of functions of mechanical strong connection and transmission of detonation between adjacent sections. Each section has a housing, a frame located in housing and connected to housing through bearings,cumulative charges arranged in frame, boosters and a detonating cord, connected to each other. Frame is made in form of a piece of thick-wall tube with transverse holes forming a socket for cumulative charges with specified spacing and orientation. Between transverse holes on one of longitudinal halves of frame there is a sample with a shaped determined by location of edges of transverse holes and providing formation of connecting straps.

EFFECT: simple design.

3 cl, 10 dwg