Water treatment process for oilfield produced water

Details for Australian Patent Application No. 2008331941 (hide)

Owner Water & Power Technologies, Inc.

Inventors Laraway, James W.; Weber, Richard E.; Thomas, Donald J.

Agent FB Rice

Pub. Number AU-B-2008331941

PCT Pub. Number WO2009/073064

Priority 11/999,582 06.12.07 US

Filing date 3 October 2008

Wipo publication date 11 June 2009

Acceptance publication date 25 August 2011

International Classifications

C02F 9/00 (2006.01) Multistep treatment of water, waste water or sewage

C02F 1/20 (2006.01) Treatment of water, waste water, or sewage - by degassing, i.e. liberation of dissolved gases

C02F 1/40 (2006.01) Treatment of water, waste water, or sewage - Devices for separating or removing fatty or oily substances or similar floating material

C02F 1/42 (2006.01) Treatment of water, waste water, or sewage - by ion-exchange

C02F 1/44 (2006.01) Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis

C02F 1/66 (2006.01) Treatment of water, waste water, or sewage - by neutralisation

C02F 5/02 (2006.01) Softening water

Event Publications

20 May 2010 PCT application entered the National Phase

  PCT publication WO2009/073064 Priority application(s): WO2009/073064

25 August 2011 Application Accepted

  Published as AU-B-2008331941

22 December 2011 Standard Patent Sealed

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