CUMULATIVE PERFORATING GUN Russian patent published in 2009 - IPC E21B43/117 

FIELD: oil and gas production.

SUBSTANCE: invention elates to petroleum industry, particularly to device for extraction of oil, gas, water or other minerals, for instance in the form of sludge from drilling. Cumulative perforating gun contains casing, implemented from separate modules. Modules are connected to each other by adapters with device of detonation transfer, each of which is implemented from two pivotally connected links with longitudinal and co-axial channels, filled by high explosive. One link is implemented with head of T-shaped section with bearing radial surface of flange, and other - with internal locating block in the form of cylinder, located inside the casing of link, herewith in the latter there are implemented joined perpendicularly to each other grooves.

EFFECT: expansion of operational functionality with providing of reliable connection of modules.

3 dwg