Automatic running and pulling system of oilfield workover string
A technology for pipe strings and oil pipes, which is applied in the field of automatic lifting and lowering systems of oilfield workover pipe strings, achieving the effects of good environmental performance, novel design, and compact system structure
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[0050] Below with reference to accompanying drawing, further describe:
[0051] According to an embodiment of the present invention such as Figure 1 to Figure 28 As shown, 1 is the tubing head, 2 is the blowout preventer, 3 is the self-sealing sealing device, 4 is the fixed slip, 5 is the tubing guiding mechanism, 6 is the wellhead coupling positioning sensor, 7 is the wellhead tubing, 8 is the suspension 9 is the oil pipe elevator assembly, 10 is the lifting ring, 11 is the PLC programmable controller, 12 is the operation panel, 13 is the manual operation indicator light, 14 is the fault indicator light, 15 is the fixed slip clamping indicator light, 16 is the operation handle motion sensor, 17 is the mechanical arm assembly, 18 is the base assembly, 19 is the linkage assembly, 20 is the ground foundation, 21 is the pipe string bent frame, 22 is the horizontal oil pipe, 23 is the hydraulic clamp bracket, 24 is the oil pipe hydraulic pressure Pliers, 25 is the sucker rod for...
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