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Oscillating fluid flow in a wellbore

  • US 7,909,094 B2
  • Filed: 05/14/2008
  • Issued: 03/22/2011
  • Est. Priority Date: 07/06/2007
  • Status: Active Grant
First Claim
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1. A system for oscillating compressible working fluid in a wellbore defined in a subterranean formation, the system comprising:

  • a fluid supply that communicates compressible injection fluid into a conduit disposed within the wellbore defined in the subterranean formation, the fluid supply comprising a steam generator; and

    a fluid oscillator device configured to reside in the wellbore and comprising an interior surface defining an interior volume of the fluid oscillator device, an inlet into the interior volume, and an outlet from the interior volume, the interior surface being static during operation to receive the compressible injection fluid into the interior volume through the inlet and to vary over time a flow rate of the compressible injection fluid into the subterranean formation from the interior volume through the outlet.

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