JOINT FOR CONNECTION OF PIPES Russian patent published in 2001 - IPC

Abstract RU 2170322 C1

FIELD: oil and gas industry. SUBSTANCE: joint is meant for connection of tubing string with electric centrifugal pump. Joint has hollow body composed of two parts and hinge unit made of coupling made fast to lower part of hollow body and bushing. Coupling and bushing have spherical matched surfaces, bushing has spherical flange whose surfaces are conjugate to proper surfaces of coupling and lower part of hollow body. Flange of bushing is located in coupling for limited angular movement. Coupling and upper part of hollow body are coupled by engagement. EFFECT: raised operational reliability of pump. 1 cl, 3 dwg

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RU 2 170 322 C1

Authors

Gabdullin R.F.

Samatov M.I.

Dorofeev S.V.

Garifullin I.F.

Vidineev S.A.

Dates

2001-07-10—Published

2000-11-20—Filed