Crude oil dissolved gas downhole collection device
A collection device and dissolved gas technology, applied in the direction of wellbore/well components, production fluid, earthwork drilling and production, etc., can solve the problems of reducing pump efficiency, being vulnerable to man-made damage, affecting well cleaning operations, etc., to reduce waste of resources, reduce Effects of Air Pollution
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[0024] The detailed description and technical content of the present invention are described below in conjunction with the accompanying drawings. However, the accompanying drawings are only for reference and description, and are not intended to limit the present invention.
[0025] see figure 1 , Crude oil dissolved gas downhole collection device, including a crude oil dissolved gas pump lower collection device installed below the oil pump and / or a crude oil dissolved gas pump upper collection device installed above the oil pump; The oil pump is arranged in the oil pipe, and the outer side of the oil pipe is a casing The annular space formed between the casing and the oil pipe is the oil casing annulus.
[0026] see figure 2 , is the under-pump collection device of the crude oil dissolved gas downhole collection device of the present invention. The device mainly includes a gas-liquid separator 10, an oil jacket communication valve 11, a packer 12 and a gas-liquid collector 1...
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