There is the gravel packing screen of inflow control device and bypass

There is the gravel packing screen of inflow control device and bypass

  • CN 101,680,289 B
  • Filed: 04/19/2007
  • Issued: 08/17/2016
  • Est. Priority Date: 04/20/2006
  • Status: Active Grant
First Claim
Patent Images

1. a well screen pipe, including:

  • Current-limiting apparatus, for limiting the flowing through screen casing;

    AndShunting device, at least provides at least one other passage through this screen casing when initial, describedShunting device has less flowing compared with described current-limiting apparatus when initial and limits, and this shunting device is usedIn changing through the proportion of flow of this current-limiting apparatus, this shunting device includes a material, this material response inContact between this material and borehole fluid and expand, wherein when this material expands, through described passageFlowing gradually limited, thus force scaling up, through this screen casing inside flow through this limitStream device.

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