Wireline Slip Type Bulldog Spear Wireline Fishing Tool
Ⅰ. Introduction
A Wireline Slip Type Bulldog Spear is a variable catch internal spear used to
retrieve a lost cylindrical fish from the well bore.
II. General Technical Parameters
Nominal OD. | Actual O.D. | Fishing Neck | Top Connection | To Catch Diameters | PN. |
2" | 1.810" | 1.375" | 15/16UN | 1-1/8″-1-7/8″ | |
2.5" | 2.250" | 1.75" | 1-1/16UN | 1-7/8″-2-1/2″ | |
3" | 2.625" | 2.313" | 1-1/16UN | 2-1/4″-2-7/8″ | |
3.5" | 3.110" | 2.313" | 1-1/16UN | 2-5/8″-3-1/8″ | |
4" | 3.625" | 2.313" | 1-1/16UN | 3-1/8"-3-3/4" |
Note. More customized parts are available upon request.
III. Structure characteristics
A complete range of slips is available for each size tool.To operate simply run into the fish and
set down weight,pick up,and retrieve the fish.(This spear usually requires a positive shoulder to
sit down on).To release from the fish simply down to shear the pin.The spear will then automatically
release.
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