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JPH-361 is a typical high-yield liquid gas well in Jin 58 well area of Dongsheng Gas Field.
Due to the large liquid production of this well, it caused problems such as poor conventional drainage and production effects, large pressure loss on surface pipelines, and high production liquid pulling and transportation costs.
This year, the second joint gas production plant of the Academy of Engineering carried out a new technology test of the jet pump in the same well for the first time in the JPH-361 well of the Dongsheng Gas Field, in order to achieve the purpose of economic and efficient resumption of production and stable production of high-yield liquid-water-flooded gas wells
The jet pump is in the same well production and injection process, which uses the jet principle to transfer the energy injected into the motive fluid in the well to the downhole mixed fluid, so that the downhole fluid is lifted from the oil casing annulus to the ground, and the natural gas after the ground separation enters the gas gathering station, The produced fluid is injected back into the reinjection layer through the ground plunger pump
At present, the jet pump production and injection process in the same well has successfully "resurrected" the high-yield liquid water-flooded gas well JPH-361, with a cumulative gas production of 46,000 cubic meters and a cumulative reinjection of 99.
(Yang Yijun, Zhou Jian, Zhao Rundong)
