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Downhole turbine

  • US 8,297,375 B2
  • Filed: 10/31/2008
  • Issued: 10/30/2012
  • Est. Priority Date: 11/21/2005
  • Status: Expired due to Fees
First Claim
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1. A pipe segment, comprising;

  • a cylindrical body having an inner surface defining a longitudinal bore;

    an inlet in fluid communication with said longitudinal bore, said inlet adapted to receive a flow of a fluid;

    a turbine having a plurality of blades and said turbine being disposed within said longitudinal bore;

    a flow guide disposed within said longitudinal bore about said plurality of blades, said flow guide adapted to guide said flow of a fluid in said pipe segment across said turbine;

    an actuating mechanism disposed within said longitudinal bore and configured to cause said flow guide to change from a first position to a second position;

    a jack element disposed proximate a working surface of the pipe segment;

    a porting mechanism adapted to extend said jack element beyond the working surface of the pipe segment; and

    a flow valve in mechanical communication with said turbine, said flow valve being actuated by said turbine and adapted to route said flow of a fluid into said porting mechanism to extend said jack element.

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