Well screen inflow control device with flap valve FLOW CONTROL

Well screen inflow control device with flap valve FLOW CONTROL

  • CN 101,903,603 A
  • Filed: 12/18/2008
  • Published: 12/01/2010
  • Est. Priority Date: 12/18/2007
  • Status: Active Application
First Claim
Patent Images

1. well screen assembly comprises:

  • Filter house, it is used for filtered fluid;

    AndFlow control apparatus, it responds the velocity variations of described fluid and changes the flow resistance of described fluid.

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