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The unlatching tool is a tool for putting in downhole instruments, with the upper end connected with the basic tool string and the lower end connected with the anti-upward movement tool.
When putting in the downhole tool, the lower joint of the unlatching tool is connected with the anti-upward movement tool, and after the releasing is successful, the upper joint of the unlatching tool and the cylinder are pulled out together. The lower joint and the anti-upward movement tool are left in the well for operation. After the operation is finished, the lower joint of the lost hand tool can be fished out together.
Size | Fishing neck | Connection |
1.5″ | 1.375″ | 15/16-10UN |
2″ | 1.75″ | 15/16-10UN |
2.5″ | 1.75″ | 15/16-10UN |
3″ | 2.313″ | 1-1/16-10UN |
1. Before going downhole each time, check that the lock cylinder key can shrink freely without jamming, and replace the broken pin.
2. Check the sealing assembly to ensure that the sealing assembly is intact .
The unlatching tool is a tool for putting in downhole instruments, with the upper end connected with the basic tool string and the lower end connected with the anti-upward movement tool.
When putting in the downhole tool, the lower joint of the unlatching tool is connected with the anti-upward movement tool, and after the releasing is successful, the upper joint of the unlatching tool and the cylinder are pulled out together. The lower joint and the anti-upward movement tool are left in the well for operation. After the operation is finished, the lower joint of the lost hand tool can be fished out together.
Size | Fishing neck | Connection |
1.5″ | 1.375″ | 15/16-10UN |
2″ | 1.75″ | 15/16-10UN |
2.5″ | 1.75″ | 15/16-10UN |
3″ | 2.313″ | 1-1/16-10UN |
1. Before going downhole each time, check that the lock cylinder key can shrink freely without jamming, and replace the broken pin.
2. Check the sealing assembly to ensure that the sealing assembly is intact .