Method and composition for enhanced hydrocarbons recovery

Details for Australian Patent Application No. 2004219635 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Shpakoff, Paul Gregory; Raney, Kirk Herbert

Agent Davies Collison Cave

Pub. Number AU-B-2004219635

PCT Pub. Number WO2004/081342

Priority 10/385,578 11.03.03 US

Filing date 10 March 2004

Wipo publication date 23 September 2004

Acceptance publication date 13 September 2007

International Classifications

C09K 8/584 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

6 October 2005 PCT application entered the National Phase

  PCT publication WO2004/081342 Priority application(s): WO2004/081342

13 September 2007 Application Accepted

  Published as AU-B-2004219635

17 January 2008 Standard Patent Sealed

7 October 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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