HORIZONTAL VERTICAL PUMP SYSTEM FOR EXTRACTING WELL FLUID MEDIUM Russian patent published in 2018 - IPC E21B43/12 E21B43/32 F04B43/113 

FIELD: engine devices and pumps.

SUBSTANCE: system comprises a vertical section with a casing string defining an annular space, a transition section and a horizontal section, and a production string having a vertical section and a horizontal section. Wherein said system comprising: production equipment with an insulation device in the annular space near the vertical section bottom, a gas/liquid separator for receiving produced liquids from the horizontal section and a vertical suction pump; a continuous flow path from the production string end to the vertical section; a plurality of horizontal pumps arranged in horizontal section, wherein each of them having an input open into the formation, and the outlet open into the continuous flow path. The horizontal section of the production string is closed for the formation along the entire length except for through the horizontal pumps.

EFFECT: production of fluids through horizontal wells.

24 cl, 37 dwg