Microemulsions used as spacer fluids

Details for Australian Patent Application No. 2011201846 (hide)

Owner Baker Hughes Incorporated

Inventors Quintero, Lirio; Christian, Chad F.; McKellar, Alexander J.; Torres, Cristina; Clark, David E.; Jones, Thomas A.

Agent Freehills

Pub. Number AU-A-2011201846

Priority 12/764,649 21.04.10 US

Filing date 21 April 2011

International Classifications

C09K 8/52 (2006.01) Compositions for drilling of boreholes or wells - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning

C09K 8/40 (2006.01) Compositions for drilling of boreholes or wells - Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses

C09K 8/536 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/584 (2006.01) Compositions for drilling of boreholes or wells

E21B 37/06 (2006.01) Methods or apparatus for cleaning boreholes or wells

Event Publications

12 May 2011 Complete Application Filed

  Priority application(s): 12/764,649 21.04.10 US

10 November 2011 Application Open to Public Inspection

  Published as AU-A-2011201846

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