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Downhole power generation system

  • US 10,072,480 B2
  • Filed: 06/17/2013
  • Issued: 09/11/2018
  • Est. Priority Date: 06/17/2013
  • Status: Active Grant
First Claim
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1. An apparatus for generating electrical power downhole comprising:

  • a housing located in a drillstring;

    a primary flow channel through the housing;

    at least two secondary flow channels in the housing, the at least two secondary flow channels laterally displaced from the primary flow channel;

    a first fluid driven electrical generator positioned within the primary flow channel;

    at least one second fluid driven electrical generator positioned in each of the at least two secondary flow channels; and

    at least one controllable flow diverter associated with each of the secondary flow channels, the at least one controllable flow diverter being operable to controllably apportion a fluid flow to the primary flow channel and to at least one of the at least two secondary flow channels to drive the generator therein.

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