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Drilling Junk Sub
Source:SIQUAN|[ 2014-03-12 ] Hits:1540
摘要:

 

During drilling process, LB type junk sub is applied mainly for fishing of shivers and fallen objects such as carbide tooth, drill bit and bearing which can be carried out of hole by conventional fluid circulation, etc. It processes important functions to keep hole cleaning, increase bit service life, reduce and prevent drill bit from unexpected damage. The tools are available with all sizes and super performances.
Drilling junk basket is a special tool for fishing clastic and small objects.

Type O.D.
Mm(in)
I.D.
Mm(in)
Joint thread  Suitable well
Diameter
(mm)
Type O.D.
Mm(in)
I.D. mm(in) Joint thread  Suitable well
diameter(mm)
LB94 94 (3 3/4) 19(4/5) 2 7/8″REG 108.0~118.1 LB197 197(7 3/4) 70(2 3/4) 5 1/2″REG 235.0~279.4
LB102 102(4 1/31) 32(1 1/4) 2 7/8″REG 117.5~123.8 LB219 219(8 5/8) 70(2 3/4) 6 5/8″REG 244.5~288.9
LB114 114(4 1/2) 38(1 1/2) 3 1/2″REG 130.2~149.2 LB229 229(9 1/32) 70(2 3/4) 6 5/8″REG 254.0~304.8
LB127 127(5) 38(1 1/2) 3 1/2″REG 152.4~161.9 LB245 245(9 5/8) 70(2 3/4) 6 5/8″REG 292.1~330.2
LB140 140(5 1/2) 38(1 1/2) 3 1/2″REG 165.1~190.5 LB280 280(11 1/32) 89(3 1/2) 7 5/8″REG 330.2~374.6
LB168 168(6 5/8) 57(2 1/4) 4 1/2″REG 193.7~215.9 LB311 311(12 1/4) 89(3 1/2) 7 5/8″REG 327~374.6
LB178 178(7) 57(2 1/4) 4 1/2″REG 219.0~244.5 LB327 327(12 7/8) 102(4 1/32) 7 5/8″REG 374.6~444.5
LB190 190(7 1/2) 57(2 1/4) 4 1/2″REG 228.9~273.0 LB340 340(13 3/8) 102(4 1/32) 7 5/8″REG 386.7~457.2

 
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