Emergency release device with tie-back function and method
An emergency relief and functional technology, applied in the direction of earthwork drilling, mining fluid, drilling equipment, etc., can solve the problems of low operation efficiency, complex control logic equipment, high carrying capacity of drilling operation ship, and high deck space requirements, so as to reduce the carrying capacity Capability and deck space requirements, flexible and convenient operation, and strong adaptability
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[0041] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments.
[0042] Such as figure 1 As shown, the emergency release device with tie-back function provided by the present invention includes: a workover riser 4 , an emergency release joint 1 , a power system 2 , a sealing joint 3 , and a wellhead connector 5 .
[0043] Wherein, the emergency release joint 1 includes an emergency release male head 101 and an emergency joint female head 102, the emergency release male head 101 is fixed on the upper workover riser connected to the operation ship, and the emergency release female head 102 is fixed on the lower part connected to the underwater wellhead On the workover riser, when the emergency release male 101 cooperates with the emergency release female 102, the internal communication between the upper workover riser and the lower workover riser is realized, and t...
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