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The LL Type Reverse Circulation Junk Basket

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product description

The LL 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.

Technical specifications and parameters:

Type

Hole diameter(mm)

Ball diameter(mm)

Max.catch diameter(mm)

Thread conn. API

LI 40(4")

104.8~114.3(4  1/4" ~4  1/2")

30

64.5

NC26

LI 44(4  1/2")

117.5~127(4  5/8"~5")

35

76

NC26

LI 51(5  1/8")

142.9~152.4(5  5/8"~6")

40

95.5

NC31

LI 56(5  3/4")

155.6~165(6  1/8"~6  1/2")

40

112

NC38

LI 62(6  1/4")

168~187.3(6  5/8"~7  3/8")

42

121

NC38

LI 70(7")

190.5~209.5(7  1/2"~8  1/4")

42

132

4 1/2" REG

LI 77(7  7/8")

212.7~~241.3(8  3/8"~9  1/2")

42

146

NC50

LI 85(8  5/8")

231.7~260.3(9  1/8"~10  1/4")

50

166

NC50

LI 91(9  1/8")

244.5~269.9(9  5/8"~10  5/8")

50

182

NC50

LI 95(9  5/8")

254~275.4(10"~11")

50

192

NC50

LI 101(10  1/8")

273~295.3(10  3/4"~11  5/8")

50

195.5

NC56

LI 112(11  1/4")

320.6~346.1(2  5/8"~13  1/4")

55

200

6  5/8" REG

LI 116(11  3/4")

406.4~444.5(16"~17  1/2")

80

280

6  5/8" REG

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