Water swellable polymers as lost circulation control agents material

Details for Australian Patent Application No. 2012200222 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Thaemiltz, Carl J.; Davidson, Eric A.; Fang, Cindy Ching

Agent Callinan

Pub. Number AU-B-2012200222

Parent 2006268023

Filing date 13 January 2012

Wipo publication date 2 February 2012

Acceptance publication date 28 June 2012

International Classifications

C09K 8/487 Compositions for drilling of boreholes or wells

C09K 8/502 Compositions for drilling of boreholes or wells

Event Publications

2 February 2012 Application Open to Public Inspection

  Published as AU-B-2012200222

2 February 2012 Complete Application Filed

28 June 2012 Application Accepted

  Published as AU-B-2012200222

25 October 2012 Standard Patent Sealed

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