METHOD OF METAL PIPE LINING Russian patent published in 1994 - IPC

Abstract RU 2005615 C1

FIELD: oil and gas industry. SUBSTANCE: prior to lining, the pipe is heater to filler melting temperature, and filler is fed at its melting temperature. Selected for filling is material with melting temperature equal to melting temperature of thermoplastic shell material. Speed of feeding of thermoplastic shell into pipe is proportional to speed of heating of thermoplastic shell material. EFFECT: enhanced reliability. 3 cl, 2 dwg

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RU 2 005 615 C1

Authors

Kudrjashov Nikolaj Nikolaevich

Dates

1994-01-15—Published

1992-05-26—Filed