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Methods and systems for downhole sensing and communications in gas lift wells

  • US 10,273,801 B2
  • Filed: 05/23/2017
  • Issued: 04/30/2019
  • Est. Priority Date: 05/23/2017
  • Status: Active Grant
First Claim
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1. A sensing and communication system for a gas lift well, the gas lift well including a casing, production tubing positioned within the casing, and a gas lift valve coupled to the production tubing, said sensing and communication system comprising:

  • a turbine configured to rotate in response to an injected gas stream flowing through said turbine, wherein said turbine is positioned in a turbine chamber within the gas lift valve, such that the turbine chamber is in flow communication with a first conduit defined in the gas lift valve;

    a resonator chamber; and

    a flapper for controlling flow communication between the first conduit and said resonator chamber, wherein said resonator chamber generates a tone when said resonator chamber is in flow communication with the first conduit and the injected gas stream flows through the first conduit.

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