Many problems in natural gas well gas effusion in oil and gas exploration wells, late gas-liquid ratio is decreased moisture content rising and lifting and handling costs increase, put forward a set of separation and measurement for the integration of natural gas of oil and gas field gas-liquid separation and metering device, the device can effectively increase the production life and enhance oil recovery, reduce environmental pollution, simplifying surface separation device, improve the benefit of investment. This equipment is mainly divided into two parts, namely, the downhole gas liquid separation process and gas-liquid separator gas metering section of the ground. The downhole gas liquid separation section to pipe string cyclone separator as the main body, achieve the downhole gas liquid separation and reinjection of produced fluid with screw pump, check valve and other auxiliary equipment, on the one hand to reduce the risk and lifting costs gas effusion, on the other hand can also load cost and equipment to reduce the gas-liquid separation and the produced water reinjection. The gas-liquid separation and gas metering section of gas-liquid mixture through current limiter structure in horizontal gas-liquid separator to realize gas-liquid separation, liquid through the fluid collected after some processing equipment after the completion of reinjection, this process this paper is not to discuss; gas through the pressure control cabinet into the measurement of mass flowmeter, realize gas metering.
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