Coiled tubing hanger
A tubing hanger and tubing technology, which is used in wellbore/well components, earth-moving drilling, etc., can solve problems such as the failure of the downhole safety valve to close normally, the obstruction of the downhole safety valve, and the potential safety hazards, and is conducive to popularization and implementation. The effect of ensuring safety and avoiding influence
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[0028] Hereinafter, the present invention will be further described with reference to the drawings and specific implementations:
[0029] Such as figure 1 with figure 2 As shown, the embodiment of the present invention proposes a coiled tubing hanger, including a mandrel 1, an upper joint 2, a piston 3, a rubber cylinder assembly 5, a locking assembly 6, an oil pipe clamping assembly 7 and a slip opening guide assembly 8. . The mandrel 1 is provided with a pressure transmission hole, and the upper joint 2 is sleeved on the outer wall of the mandrel 1 and connected with the mandrel 1. The piston 3 is sleeved on the outer side of the core shaft 1, and the piston 3 is connected to the upper joint 2 through the first shear nail 4. A cavity is formed between the piston 3, the upper joint 2 and the mandrel 1, and the cavity is in communication with the pressure transmission hole. The rubber cylinder assembly 5 is sleeved on the outer wall of the mandrel 1 for sealing the coiled tub...
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