Automatic workover rig driven by power grid
A technology of workover rig and grid power, which is applied to drilling equipment, earthwork drilling, drill pipe, etc., can solve the problems of difficulty in recruiting workers in the workover industry, difficulty in installation and disassembly of equipment, and high labor intensity of workers.
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Embodiment example 1
[0053] Step 1: firstly deploy the front hydraulic outrigger 3 and the rear hydraulic outrigger 10 on the self-propelled chassis 1, so that the workover rig can be stably placed on the ground;
[0054] Step 2: When performing the operation of recovering the pipe string, the rear operation room 7 issues instructions, and the electric control cabinet 20 outputs electric energy to the explosion-proof frequency conversion motor 32 through the control cable 23, and the explosion-proof frequency conversion motor 32 passes through the coupling 33 and the multi-speed gear box 34 The power is transmitted to the main drum 37, and the main drum 37 unwinds the wire rope 12 and lowers the grabbing system;
[0055] Step 3: Control the lifting ring swing arm device 15 to rotate the lifting ring 16 to avoid the wellhead pipe string 19 during the lowering of the grabbing system, and control the flip box 17 to drive the hydraulic elevator 18 to turn over the grabbing string 19;
[0056] Step 4: ...
Embodiment example 2
[0062] Step 1: When lowering the pipe string, adjust the height of the pipe rack 40 so that the side of the pipe string storage device 25 is higher than the side of the pipe string delivery device 31, and the pipe string storage device 25 transports the pipe string 19 to the pipe rack 40;
[0063] Step 2: The pipe string 19 rolls to the edge of the pipe string conveying device 31, and the turning hook arm 41 turns inward to send the pipe string 19 to the transfer tray 42. sent to the edge of the working platform;
[0064] Step 3: the rear operating room 7 issues instructions, and the electric control cabinet 20 controls the rotation of the multi-gear variable-speed winch 6, and the main drum 37 on the multi-gear variable-speed winch 6 is lowered to the grasping system by winding and unwinding the steel wire rope 12;
[0065] Step 4: Lower the grabbing system to the top of the column 19 on the transfer tray 42, control the flip box 17 to turn over the hydraulic elevator 18 and ...
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