Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications

Details for Australian Patent Application No. 2008208714 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Sanders, Michael W.; Saini, Rajesh K.; Mundy, Jeffrey L.; Foo, Fong Fong

Agent Callinan

Pub. Number AU-B-2008208714

PCT Pub. Number WO2008/090316

Priority 11/656,651 23.01.07 US; 11/656,872 23.01.07 US

Filing date 17 January 2008

Wipo publication date 31 July 2008

Acceptance publication date 6 October 2011

International Classifications

C09K 8/62 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/035 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/68 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/76 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/80 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

6 August 2009 PCT application entered the National Phase

  PCT publication WO2008/090316 Priority application(s): WO2008/090316

13 August 2009 Alteration of Name

  The name of the applicant has been altered to Halliburton Energy Services, Inc.

6 October 2011 Application Accepted

  Published as AU-B-2008208714

2 February 2012 Standard Patent Sealed

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