Oil gas well gas injection oil extraction gas production technological process
A process method and technology for oil and gas wells, applied in the direction of production fluid, earthwork drilling, wellbore/well components, etc., can solve the problems of unavailable and mature gas injection technology, and achieve convenient and flexible equipment, enhanced recovery, and operation The effect of low cost
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[0011] The implementation of the present invention will be further described below in conjunction with the accompanying drawings.
[0012] As shown in the accompanying drawings, the process method of gas injection oil recovery and gas recovery of the present invention is: after the injection gas is filled with the cylinder 3 through the intake valve 6, water is pressed into the cylinder 3 by the high-pressure water pump 2 (at this time, the valves 10, 11, 14, 17 open, valves 12, 15, and 16 are closed), along with the high-pressure water continuously compressing the gas in the cylinder 3, when the gas pressure is higher than the intake pressure, the one-way valve 6 is closed, and the high-pressure air opens the one-way outlet valve 7 through the valve 14 , The wellhead device 5 enters the oil and gas well. After all the gas in the cylinder 3 is pressed into the oil and gas well, the valves 13, 12, 16, and 15 are opened, and the high-pressure water in the cylinder 3 is pressed i...
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