WELL MOUTH ARMATURE Russian patent published in 2004 - IPC

Abstract RU 2242583 C2

FIELD: oil extractive industry.

SUBSTANCE: armature has pipe head with side branches, supported by pipe support with side branches, and device for decreasing pressure in inter-tubular space. Device for pressure decrease is made in form of flow tube mounted in branch of pipe support. Lowered pressure area in flow pipe is connected via branch pipe to hollow of column head and ring-shaped space between operation column and tubing pipes column.

EFFECT: simplified construction, higher reliability.

1 dwg

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RU 2 242 583 C2

Authors

Babaev A.K.

Mil'Chakov V.G.

Sarychev I.V.

Dates

2004-12-20—Published

2002-11-12—Filed