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Reverse Circulation Junk Basket
Source:SIQUAN|[ 2014-03-12 ] Hits:1089
摘要:


Reverse Circulation Junk Basket is used to catch all kinds of small junk objects such as cones, cutters, hand tools from the bottom of the 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 bottom.

Type Barrel O.D.
Mm(in)
Max.O.D. of fish
Mm(in)
Steel ball
Mm(in)
Joint thread  Suitable well
diameter mm(in)
LL-F89 89(3 1/2) 60.0(2 3/8) 30 NC26 95.0~101.6
LL-F97 97(3 13/16) 74.5(2 15/16) 30 NC26 107.9~114.3
LL-F110 110(4 5/16) 78.0(3 1/16) 35 NC26 117.5~127
LL-F121 121(4 3/4) 90.5(3 9/10) 35 2 7/8″REG 130.0~139.7
LL-F130 130(5 1/8) 95.5(3 3/4) 40 NC31 142.9~125.4
LL-F146 146(5 3/4) 112.0(4 3/8) 40 NC38 155.5~165.0
LL-F159 159(6 1/4) 121.0(4 3/4) 45 NC40 168.0~187.3
LL-F178 178(7) 132.0(5 1/4) 45 4 1/2″REG 190.5~209.5
LL-F200 200(7 7/8) 154.0(6 1/16) 50 NC46 212.7~241.3
LL-F206 206(8 1/8) 156.0(6 1/8) 50 NC50 231.0~261.0
LL-F219 219(8 5/8) 166.0(6 1/2) 50 NC50 244..5~269.6
LL-F232 232(9 1/8) 179.5(7 1/16) 50 NC50 244..5~269.6
LL-F245 245(9 5/8) 192.0(7 5/8) 55 NC50 254.0~275.6
LL-F257 257(10 1/8) 195.5(7 3/4) 55 NC56 273.0~295.9
LL-F279 279(11) 211.5(8 3/8) 55 NC56 298.5~317.5
LL-F286 286(11 1/4) 228.6(9 5/16) 55 6 5/8″REG 320.0~346.7
LL-F300 300(11 13/16) 251.5(9 7/8) 60 6 5/8″REG 339.7~258.8
LL-F330 330(13 ) 279.4(11) 60 NC70 349.3~406.4
LL-F381 381(15) 282.6(11 1/8) 60 NC77 406.4~444.5
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