Differential filters for stopping water during oil production

Details for Australian Patent Application No. 2007335838 (hide)

Owner SCHLUMBERGER TECHNOLOGY B.V.

Inventors Lesko, Timothy; Sullivan, Philip F.; Howard, Paul

Agent Griffith Hack

Pub. Number AU-B-2007335838

PCT Pub. Number WO2008/075237

Priority 11/612,007 18.12.06 US

Filing date 3 December 2007

Wipo publication date 26 June 2008

Acceptance publication date 14 April 2011

International Classifications

B01D 39/16 (2006.01) Filtering material for liquid or gaseous fluids - of organic material, e.g. synthetic fibres

B01D 39/20 (2006.01) Filtering material for liquid or gaseous fluids - of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires

Event Publications

30 July 2009 PCT application entered the National Phase

  PCT publication WO2008/075237 Priority application(s): WO2008/075237

14 April 2011 Application Accepted

  Published as AU-B-2007335838

11 August 2011 Standard Patent Sealed

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