HINGED JOINT OF PERFORATOR Russian patent published in 2016 - IPC E21B43/117 

FIELD: mining.

SUBSTANCE: invention relates to production of liquid and gaseous fluid media from bore wells, namely to a cumulative perforator joint. Hinged joint of a perforator comprises two links, one - in the form of a cylinder with a spherical head, and the other one - with a spherical support located inside the housing of the link. On the spherical head of the first link of the hinged joint there are two flats located symmetrically relative to the longitudinal axis of the perforator section. End of the first link is equipped with a spring fixer. Spherical support is made in the form of a spherical undercut with an oval hole located on the second link end coaxially with the longitudinal axis of the perforator section, while the hole is provided with a slot for the spring fixer.

EFFECT: provided is increased speed of assembling with reduced labour intensiveness, while maintaining reliable transmission of detonation between sections in wells with high intensity of curvative accumulation.

1 cl, 4 dwg