Casing spear is a tool for fishing internally. It has features of simple operation, high strength, large grapple area, wide fishing range. It can be used individually, and also can be used with cutting tools to finish cutting and fishing at one time. If the fishing work is not successful, tools can be easily release from the fish.
Casing spear is mainly used for catch casing. The fish can be pulled or jarred out from the well by catching the inner diameter of the fish. It is especially designed for marine operations.
| Type |
Casing size mm(inch) |
Sub OD mm(inch) |
Spear ID mm(inch) |
Conn. |
| LM7-AZ | 177.8(7) | 146(5-3/4) | 38.1(1-1/2) | NC38 |
| LM9-5/8-AZ | 244.5(9-5/8) | 210(8-17/64) | 50.8(2) | 4-1/2REG |
| LM13-3/8-AZ | 339.7(13-3/8) | 299(11-49/64) | 71(2-13/16) | NC50 |
| LM18-5/8-AZ | 473.1(18-5/8) | 299(11-49/64) | 71(2-13/16) | 6-5/8REG |
| LM20-AZ | 508(20) | 299(11-49/64) | 71(2-13/16) |
6-5/8REG |
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