LUBRICATING DEVICE FOR INJECTORS OF FLEXIBLE PIPES AND DRILL UNIT DESIGNED FOR USAGE OF FLEXIBLE PIPES Russian patent published in 2011 - IPC E21B19/22 

Abstract RU 2412330 C2

FIELD: oil and gas production.

SUBSTANCE: lubricating device for injector of flexible pipes consists of elongated case and of guiding system positioned in case. The guiding system consists of rollers located near the first end of the case and directing the flexible pipe along the first trajectory and of rollers located near the second end of the case and directing the flexible pipe along the second trajectory. The drill unit includes a support, a lifting tower, an upper drive mounted on the lifting tower for lengthwise travels along it and having the first axis, the injector assembled on the lifting tower and having the second axis set off relative to the first axis and a lubricating device attached to the injector.

EFFECT: increased efficiency and reliability at operation with flexible pipes.

19 cl, 10 dwg

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RU 2 412 330 C2

Authors

Khavinga Richard D.

Dates

2011-02-20Published

2006-10-03Filed