Additive for preserving the fluidity of fluids containing gas hydrates

Details for Australian Patent Application No. 2007228832 (hide)

Owner AKZO NOBEL N.V.

Inventors Hellsten, Martin; Oskarsson, Hans

Agent Spruson & Ferguson

Pub. Number AU-B-2007228832

PCT Pub. Number WO2007/107502

Priority 60/838,992 21.08.06 US; 06111496.3 21.03.06 EP

Filing date 16 March 2007

Wipo publication date 27 September 2007

Acceptance publication date 14 June 2012

International Classifications

C09K 8/52 (2006.01) Compositions for drilling of boreholes or wells - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning

C09K 8/524 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/54 (2006.01) Compositions for drilling of boreholes or wells - Compositions for inhibition of corrosion in boreholes or wells

E21B 37/06 (2006.01) Methods or apparatus for cleaning boreholes or wells

Event Publications

6 November 2008 PCT application entered the National Phase

  PCT publication WO2007/107502 Priority application(s): WO2007/107502

14 June 2012 Application Accepted

  Published as AU-B-2007228832

11 October 2012 Standard Patent Sealed

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