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API fishing tool Casing Spears
Casing Spears
The Casing Spear is used to engage a fish internally in order that it may be pulled or jarred from the hole. It is especially designed for marine operations.
The tool is composed of top sub, mandrel, slip (or slip segments and slip holder), jarring ring, and screws.
Type | Nominal Casing Size (mm/inch) | Tool O.D. (mm/inch) | Tool I.D. (mm/inch) | Connection API |
LM7-AZ | 177.8(7) | 146(5-3/4) | 38.1(1-1/2) | NC38 |
LM9-5/8-AZ | 244.5(9-5/8) 298.5(11-3/4) | 210(8-17/64) | 50.8(2) | 4-1/2REG |
LM11-3/4-AZ | NC50 | |||
LM13-3/8-AZ | 339.7(13-3/8) 406.4(16) 508(20) 762(30) | 299(11-49/64) | 71.4(2--13/16) | 6-5/8REG |
LM20-AZ | NC50 |
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