Treatment and reuse of oilfield produced water

Details for Australian Patent Application No. 2008252493 (hide)

Owner SCHLUMBERGER TECHNOLOGY B.V.

Inventors England, Kevin W.; Hutchins, Richard D.; Li, Leiming; Lungwitz, Bernhard; Howard, Paul R.; Li, Jack; Parris, Michael D.; Boney, Curtis L.

Agent Griffith Hack

Pub. Number AU-B-2008252493

PCT Pub. Number WO2008/142584

Priority 11/749,193 16.05.07 US

Filing date 22 April 2008

Wipo publication date 27 November 2008

Acceptance publication date 19 January 2012

International Classifications

E21B 21/06 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

C02F 1/68 (2006.01) Treatment of water, waste water, or sewage - by addition of specified substances, e.g. trace elements, for ameliorating potable water

C12N 9/99 (2006.01) Enzymes, e.g. ligases (6.) - Enzyme inactivation by chemical treatment

Event Publications

10 December 2009 PCT application entered the National Phase

  PCT publication WO2008/142584 Priority application(s): WO2008/142584

19 January 2012 Application Accepted

  Published as AU-B-2008252493

17 May 2012 Standard Patent Sealed

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