Variable density drilling mud

Details for Australian Patent Application No. 2005262591 (hide)

Owner ExxonMobil Upstream Research Company

Inventors Gupta, Vishwas; Pokutylowicz, Norman M.; Rigby, James R.; Sisak, William J.; Entchev, Pavlin B.; Montgomery, John; Milner, Scott T.; Ertas, Mehmet D.; Keller, Stuart R.; Polizzotti, Richard S.

Agent Watermark

Pub. Number AU-B-2005262591

PCT Pub. Number WO2006/007347

Priority 60/580,523 17.06.04 US

Filing date 9 June 2005

Wipo publication date 19 January 2006

Acceptance publication date 24 February 2011

International Classifications

C09K 8/02 (2006.01) Compositions for drilling of boreholes or wells - Well-drilling compositions

Event Publications

18 January 2007 PCT application entered the National Phase

  PCT publication WO2006/007347 Priority application(s): WO2006/007347

24 February 2011 Application Accepted

  Published as AU-B-2005262591

23 June 2011 Standard Patent Sealed

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