Systems and methods for automatic forward phasing determination in a downhole pump system

Systems and methods for automatic forward phasing determination in a downhole pump system

Systems and methods for controlling an electrical drive such as is used with electric submersible pumps used in downhole oil production, wherein the drive automatically determines the proper phasing to drive the pump motor in a forward direction. In one embodiment, a method includes generating a dri...

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Hauptverfasser: Plitt, Sheldon, Rider, Jerald R, Knox, Dick L, Carter, Jr, William
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Sprache:eng
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creator Plitt, Sheldon
Rider, Jerald R
Knox, Dick L
Carter, Jr, William
description Systems and methods for controlling an electrical drive such as is used with electric submersible pumps used in downhole oil production, wherein the drive automatically determines the proper phasing to drive the pump motor in a forward direction. In one embodiment, a method includes generating a drive signal having an initial phasing and driving the pump to establish a column of fluid in the borehole. The drive signal is then discontinued, allowing the column of fluid to fall through the pump and cause the pump to backspin and generate a signal having phasing corresponding to the reverse rotational direction. The forward phasing is then determined to be the opposite of the phasing corresponding to the reverse rotational direction. The pump can be restarted in the forward direction, or an operator can be notified of the proper phasing to produce forward rotation of the pump.
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title Systems and methods for automatic forward phasing determination in a downhole pump system
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