Model LB fishing cup is a practical and effective tool. During drilling operation, it can be used to recover the heavier drilling cuttings or metal chips which are difficult to be lifed out of the borehole by normal drilling fluid circulation.
Technical parameters and specifications
Type | Suitable hole(mm) | O.D.(mm) | I.D.(mm) | Thread connection |
LB94 | 108～117.5 | 94 | 19 | 2 3/8REG |
LB127 | 152.4～162 | 127(5) | 38（1 1/2） | 3 1/2REG |
LB140 | 165～190.5 | 140(5 1/2) | 38（1 1/2） | 3 1/2REG |
LB168 | 190.5～216 | 168(6 5/8) | 54（2 1/8） | 4 1/2REG |
LB178 | 219～244.5 | 178(7) | 54（2 1/8） | 4 1/2REG |
LB190 | 229～273 | 190(7 1/2) | 54（2 1/8） | 4 1/2REG |
LB197 | 235～279.5 | 197(7 3/4) | 54（2 1/8） | 4 1/2REG |
LB219 | 244.5～295 | 219(8 5/8) | 71（2 13/16） | 6 5/8REG |
LB229 | 254～305 | 229(9) | 71（2 13/16） | 6 5/8REG |
LB245 | 292～330 | 245(9 5/8) | 71（2 13/16） | 6 5/8REG |
LB280 | 327～375 | 280(11) | 76(3) | 7 5/8REG |
LB286 | 333～381 | 286(11 1/4) | 76(3) | 7 5/8REG |
LB304 | 352～421 | 304(12) | 76(3) | 7 5/8REG |
LB327 | 375～444.5 | 327(12 7/8) | 76(3) | 7 5/8REG |
LB340 | 386～456 | 340(13 3/8) | 76(3) | 7 5/8REG |
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