Reverse Circulation Junk Basket-Tianhe oil group

By Justin Morgan,2015-02-02 21:04
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The LL-F type reverse circulation junk basket is used to retrieve all types of small junk objects such as cone,cutter,hand tool and junks from the bottom hole.During drilling operation,it produces a local reverse circulation of fluid at well core so as to effect a complete recovery of junk in the junk basket .Especially when PDC bit is used ,cleaning bottom well by the tool becmes very necessary to ensure the bit with a normal application.The reverse circulation junk basket therefore becomes an essential tool in oil ,geology exploration and drilling engineering.

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