Ruixin Energy Equipmnet
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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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