Hydraulic cylinder type water drainage-gas recovery device
A drainage gas recovery and hydraulic cylinder technology, which is applied in the direction of mining fluid, earthwork drilling, wellbore/well components, etc., can solve the problem of not fully meeting the technical requirements of gas lift drainage and gas recovery, increasing the input cost of gas production, high-pressure gas The number of source wells is limited and other issues, to achieve the effect of increasing gas production, reducing losses, and compact structure
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[0013] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:
[0014] Such as figure 1 As shown, a hydraulic cylinder type drainage gas recovery device, which includes a natural gas compressor 1, a gas-liquid separation tank 2 and a shaft 4 arranged in a gas well 3, the wellhead of the gas well 3 is provided with a gantry 5, a gantry An oil cylinder 6 is fixedly installed on the crossbeam of the frame 5, and the piston rod of the oil cylinder 6 is provided with a gland 7 that can slide up and down along the wellbore 4. A sliding seal is formed between the gland 7 and the inner wall of the wellbore 4, which can prevent gas wells from The liquid leaks from the gap between the gland 7 and the wellbore 4, which has the characteristics of tight sealing.
[0015] Such as figure 1 As shown, the crossbeam of the gantry frame 5 is also fixed with a delivery pipe 8 pass...
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