METHOD OF PREVENTING FREEZING OF INJECTION WELL HEADS Russian patent published in 2000 - IPC

Abstract RU 2152509 C1

FIELD: oil and gas production. SUBSTANCE: head of injection well is insulated against freezing using convective heat transfer as heat source. Conductor and hole structure direction are additionally insulated as well as subsurface pipeline approaching well at the depth of season ground frost penetration. Insulation materials with water-repulsion shell are utilized. EFFECT: increased heat insulation efficiency. 1 dwg

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RU 2 152 509 C1

Authors

Bajazitov Z.A.

Ibragimov N.G.

Magalimov A.A.

Dates

2000-07-10Published

1998-08-10Filed