Downhole transmission with wellbore fluid flow passage
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 1, 2025
Grant Date -
May 2, 2024
app pub date -
Oct 28, 2022
filing date -
Oct 28, 2022
priority date (Note) -
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Abstract
An electric submersible pump (ESP) assembly comprising an electric motor, a seal section disposed uphole of the electric motor, a gas separator disposed uphole of the seal section, a downhole transmission assembly disposed uphole of the gas separator, comprising a flow passage fluidically coupled to a liquid phase discharge port of the gas separator, a first drive shaft coupled to a drive shaft of the gas separator, a second drive shaft, and a transmission that mechanically couples the first drive shaft to the second drive shaft, wherein the transmission is configured to turn the second drive shaft at a slower angular speed than the angular speed of the first drive shaft, and a centrifugal pump assembly disposed uphole of the downhole transmission assembly, having a fluid inlet coupled to a fluid outlet of the downhole transmission assembly, and having a drive shaft coupled to the second drive shaft.
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