FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil industry, particularly to a device for preparing on a bottomhole and forcing through in a bed of mixed two working fluids injected with a jerk pump. A bottom hole fluid commingler comprising an inlet branch and a body with a coaxial branch. The coaxial branch is perforated and forms an annular space with the inlet branch, herewith on the top of the perforated branch from the outer side, there is a packer. The body of the commingler is filled with a compressed gas. An elastic membrane covering the perforated branch closes perforations and separating space of the perforated branch from that of the body, and the total area of the perforations in the perforated branch exceeds the section area of an outlet branch.
EFFECT: higher mixing effectiveness in injecting the fluids injected by a reciprocating (plunger) jerk pump in a pulsing mode.
1 dwg
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