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Apparatus and method for providing electrical power in a well

  • US 5,202,194 A
  • Filed: 06/10/1991
  • Issued: 04/13/1993
  • Est. Priority Date: 06/10/1991
  • Status: Expired due to Term
First Claim
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1. A downhole apparatus, comprising:

  • a tool adapted to be lowered into a well, said tool including at least one electrical circuit requiring electricity; and

    a power supply connected to said at least one electrical circuit for providing electricity thereto, said power supply including a fuel cell for generating electricity downhole in the well when said tool and said power supply are disposed in the well.

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