Oil field induction generator system

  • US 4,730,118 A
  • Filed: 08/11/1987
  • Issued: 03/08/1988
  • Est. Priority Date: 02/03/1987
  • Status: Expired due to Term
First Claim
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1. An induction generator system for powering an electric pump at an oil producing well having gas available at the wellhead and an existing electrical power distribution system, said generator system comprising:

  • an electrical motor coupled to an existing electrical power distribution system and designed to rotate at a selected synchronous speed in response to application of said electrical power;

    a gas engine fueled by said gas and mechanically coupled to drive said electrical motor at a speed in excess of said selected synchronous speed whereby said electrical motor will generate electrical energy into an electrical load; and

    ,control means for coupling said existing electrical power distribution system to said electric pump in the absence of sufficient gas at said wellhead to drive said gas engine and for coupling the electrical energy generated by said electrical motor to said existing electrical power distribution system when sufficient gas is available at said wellhead to drive said gas engine.

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