PACKING DEVICE OF ADDITIONAL CASING COLUMN Russian patent published in 2005 - IPC

Abstract RU 2254442 C1

FIELD: mining industry.

SUBSTANCE: device has packer, mounting tool and anchor assembly. Packer expander is mounted in upper portion of body, and anchor assembly - above hydraulic chamber of mounting tool. Hydraulic chamber cylinder is mounted with possible displacement relatively to rod and hydraulically connected to inner space of device. Body of anchor assembly is provided with sockets, in which spring-loaded dies are mounted, which are activated by hydraulic effect formed in tubing pipes column, on which device is lowered into well.

EFFECT: simplified construction, higher reliability, higher efficiency.

1 dwg

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RU 2 254 442 C1

Authors

Gabdullin R.G.

Strakhov D.V.

Makhmutov I.Kh.

Semenov A.N.

Salakhova Z.R.

Dates

2005-06-20—Published

2004-03-12—Filed