Pressure control gas lifting controlling system
A technology of control system and control device, which is applied in the direction of production fluid, measurement, wellbore/well components, etc., and can solve the problem that the gas lift process cannot monitor and store gas pressure data and annular liquid level data in real time
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[0021] The present application will be described in further detail below in conjunction with the accompanying drawings, but it is not intended to limit the present application.
[0022] Such as figure 1 As shown, a pressure-controlled gas lift control system according to the present invention includes a power meter 101, a compressor 102, a gas storage tank 103, a flow control device 104, a liquid level monitoring device 105 and a metering device connected in sequence in the well site 106. The above-mentioned devices are respectively connected with the control device, and all the devices are connected through 485 communication interfaces to facilitate data transmission.
[0023] Further, the flow control device 104 includes a control valve for changing the amount of passing air and a flow meter for monitoring the passing air flow.
[0024] Further, the gas storage tank 103 is equipped with a pressure gauge for monitoring the pressure of the gas storage tank, and the pressure g...
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