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LL-F type reverse circulation junk basket is used to catch all kinds of small junk objects such as cones cutters hand tools from bottom well. 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.
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No. 235, Weigao Garden, Torch High tech Industrial Development Zone, Weihai City, Shandong Province, China