GU Shear Up Adaptor Wireline Pulling Tool
GU Shear Up Adaptor Wireline Pulling Tool
Ⅰ. Introduction
GU Shear Up Adaptor is used in connection with GS pulling tool, and they form GR Pulling Tool.
Ⅱ. Technical parameters of common specifications
| Szie | Actual OD | FN | Fishing OD | Connection | Lower connection thread |
| 2″ | 1.81″ | 1.375″ | 1.38″ | 15/16″-10UN | 1/2-13UN″ |
| 2.5″ | 2.25″ | 1.375″ | 1.81″ | 15/16″-10UN | 5/8-11UN″ |
| 3″ | 2.72″ | 1.75″ | 2.31″ | 1-1/16″-10UN | 5/8-11UN″ |
| 3.5″ | 3.11″ | 2.313″ | 2.62″ | 1-1/16″-10UN | 5/8-11UN″ |
Technical parameters can also be according to user requirements
III. Structural characteristics:
GU pulling tool is mainly composed of GS pulling tool and GU Shear Up Adaptor as shown in the attached assembly drawing. During fishing operation (refer to GS assembly drawing), when the fishing claw touches the mouth end of the inner fishing neck, it will retreat and fall into the slightly smaller diameter of the core and be retracted; When the fishing claw completely enters the inner fish neck, the fishing claw is immediately opened to catch it under the thrust of the compression auxiliary spring . If the tool is blocked upwards, it can be shaken off.
IV. Maintenance
1. After the tool is disassembled, check the damage of each component and replace the damaged parts.
2. When assembling, apply a thin layer of grease on the thread surface.
3. After assembly, the fishing neck is attached with thread protector and marked for later use.
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