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Annular screen communication system

  • US 9,988,884 B2
  • Filed: 06/29/2015
  • Issued: 06/05/2018
  • Est. Priority Date: 06/29/2015
  • Status: Active Grant
First Claim
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1. A screen assembly for subterranean use, comprising:

  • at least one first screen module comprising a base pipe having a surrounding screen to define an annular space therebetween that is open on at least one end;

    at least one second screen module comprising a base pipe having a surrounding screen to define an annular space therebetween that is open on at least one end;

    said base pipes of said modules are connected with at least one connection such that said annular space open ends face each other;

    at least one shroud mounted over said connection and secured on opposed ends adjacent said screens to extend said annular space between said open ends;

    at least one valve for selectively communicating said annular space and a passage defined within said base pipe and said connection;

    said at least one valve comprises two spaced valves adjacent opposed ends of said extended annular space to selectively allow flow through said screens during gravel packing and during production.

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