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Use of downhole high pressure gas in a gas-lift well and associated methods

  • US 7,147,059 B2
  • Filed: 03/02/2001
  • Issued: 12/12/2006
  • Est. Priority Date: 03/02/2000
  • Status: Expired due to Fees
First Claim
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1. A gas-lift petroleum well for producing petroleum products using downhole pressurized gas, comprising:

  • a well casing extending within a wellbore of said well, said wellbore extending through an oil zone and at least one high pressure gas zone wherein the at least one high pressure gas zone is separate from the oil zone by at least one impermeable zone;

    a downhole gas-lift valve coupled to a tubing and being adapted to control a flow of downhole pressurized gas into the tubing; and

    a connector for supplying gas from the gas zone to said down hole gas-lift valve bypassing said oil zone.

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