PIPE CUTTER Russian patent published in 1997 - IPC

Abstract RU 2093660 C1

FIELD: oil and gas production industry. SUBSTANCE: device is intended for cutting pipes inside oil, gas and other wells. For effective cutting of drill pipes with thick walls with simultaneous reduction of their radial deformation and less mass of explosive charge, explosive charge is located between upper and lower metal plugs with no clearance. Axial hole in charge is blind to half of charge height. Initiating system is installed with its lower end face on bottom of blind hole in charge. Relation of thickness of each metal plug Δ to diameter of charge dch is within interval of . Relation of charge height hch to diameter of charge dch is within interval of . EFFECT: high efficiency. 1 cl, 2 dwg

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RU 2 093 660 C1

Authors

Chernyshev Vladimir Konstantinovich

Zharinov Evstafij Ivanovich

Ionov Aleksandr Ivanovich

Zimakov Sergej Dmitrievich

Buzin Viktor Nikolaevich

Kudel'Kin Ivan Dmitrievich

Bidylo Nikolaj Petrovich

Dates

1997-10-20Published

1992-08-26Filed