Adjustable shroud for a submergible pumping system and...

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 47/06 (2006.01) E21B 43/12 (2006.01) F04B 53/00 (2006.01) F04D 13/10 (2006.01)

Patent

CA 2259067

An adjustable shroud arrangement is disclosed for a submergible pumping system. The pumping system is of the type used to raise fluids from wells, such as petroleum production wells. The systems include a plurality of interconnected components, including a motor and a pump driven by the motor. The systems may also include a separator for separating production fluids from non-production fluids. The shroud serves to transfer fluids between system components, such as around the motor to promote convective cooling of the motor during operation. The shroud fits around a portion of the pumping unit to define a fluid flow path. The shroud is adjustable with respect to the pumping unit to permit relative thermal expansion and contraction of the shroud and the pumping unit components. In a preferred embodiment, the shroud has one end fixed to the pumping unit and a second end slidingly seals against a component of the pumping unit. In another embodiment, both ends of the shroud are fixed to the unit and an adjustable seal is provided along the length of the shroud.

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