THERMO-ISOLATED COLUMN Russian patent published in 2004 - IPC

Abstract RU 2238388 C2

FIELD: oil and gas extractive industry.

SUBSTANCE: device has coaxially placed pipe sections, between which a thermo-isolating material is placed and their connection assemblies including sleeve. Thermo-isolated column in assemblies of their connection is equipped with steel branch pipe coaxially to which sections of thermo-isolated pipes are mounted. Assemblies additionally include duralumin bushing, fluoroplastic rings and thermo-isolating layer made of asbestos fiber and aluminum ribbons.

EFFECT: higher reliability.

2 dwg

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RU 2 238 388 C2

Authors

Antoniadi D.G.

Vlasjuk A.E.

Volontyrets V.N.

Gilaev G.G.

Kuznetsov M.V.

Palivoda M.D.

Dates

2004-10-20—Published

2002-12-27—Filed