Compliant dart-style reverse-flow check valve

Details for Australian Patent Application No. 2010260277 (hide)

Owner SCHLUMBERGER TECHNOLOGY B.V.

Inventors Mahmoud, Abdel-Rahman; Scarsdale, Kevin T.

Agent Griffith Hack

Pub. Number AU-A-2010260277

PCT Pub. Number WO2010/147852

Priority 61/187,680 17.06.09 US

Filing date 11 June 2010

Wipo publication date 23 December 2010

International Classifications

E21B 34/08 (2006.01) Valve arrangements for boreholes or wells

Event Publications

19 January 2012 PCT application entered the National Phase

  PCT publication WO2010/147852 Priority application(s): WO2010/147852

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