Ruixin Energy Equipmnet
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Wireline Fishing Tool Wireline Blind Box
I. Overview:
Blind hammers are used to smash obstacles in the well, and are also widely used to break the steel wire on the rope cap during fishing.
II. Common technical parameters:
| Actual O.D | Fishneck O.D | Connection |
| 1.0＂～1.5＂ | 1.187＂ | 15/16-10UN |
| 1.5＂～2.0＂ | 1.375＂ | 15/16-10UN |
| 2.0＂～2.5＂ | 1.375＂ | 15/16-10UN |
| 2.5＂～3.0＂ | 1.75＂ | 1-1/16-10UN |
| 3.0＂～4.0＂ | 1.75＂ | 1-1/16-10UN |
| 4.0＂～5.0＂ | 2.313＂ | 1-1/16-10UN |
| 5.0＂～6.0＂ | 2.313＂ | 1-9/16-10UN |
III. Structural features:
The upper part of the blind hammer is the male buckle and the salvage neck, and the lower part is the main body of the blind hammer. The outer diameter of the main body must be matched with the tubing, and the 20mm length of its end has undergone high-frequency quenching treatment, and the hardness reaches HRC40-45. The hardness is relatively large, which can ensure its impact in the well to remove obstacles in the well or smash the steel wire. effect. See the structural drawings for details.
IV. How to use:
1) Connect the blind hammer to the basic tool string for use, and lower the tool string through the winch to give the blind hammer an instant force to hit the obstacle in the well or break the steel wire;
2) After the blind hammer operation is completed, lift the blind hammer, and then lower the tool to be operated or the fishing tool of the fishing wire.
V. Maintenance:
When not in use temporarily, apply grease to the thread with a protective wire
Tools can be manufactured to any size required
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