发明名称 PACKING DEVICE OF ADDITIONAL CASING COLUMN
摘要 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
申请公布号 RU2254442(C1) 申请公布日期 2005.06.20
申请号 RU20040107536 申请日期 2004.03.12
申请人 发明人 GABDULLIN R.G.;STRAKHOV D.V.;MAKHMUTOV I.KH.;SEMENOV A.N.;SALAKHOVA Z.R.
分类号 E21B33/12 主分类号 E21B33/12
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