DOWNHOLE JET PERFORATOR Russian patent published in 2002 - IPC

Abstract RU 2186951 C1

FIELD: devices for well perforation. SUBSTANCE: jet perforator has head, middle and end sections provided with jet charges which are interconnected with one another by hinged adapters with devices for detonation transmission. Hinged adapters are made in form of two hemispherical links with separating member. Links are installed in hollow cylindrical holder and locked in it by wire detents. Links and separating member are made with common center and have axial channel for location of device for detonation transmission. EFFECT: higher operate reliability of perforation and more perfect devices for detonation transmission. 3 dwg

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RU 2 186 951 C1

Authors

Mamarin G.F.

Kopij V.G.

Kuznetsov V.Ju.

Khamzin G.M.

Dates

2002-08-10—Published

2000-11-24—Filed