Method of recycling water contaminated oil based drilling fluid

Details for Australian Patent Application No. 2002338477 (hide)

Owner M-I L.L.C.

Inventors Mueller, Frank Manfred Franz; Rudolph, Juergen

Agent Pizzeys

Pub. Number AU-B-2002338477

PCT Number PCT/US02/13171

PCT Pub. Number WO2002/086280

Priority 60/286,236 24.04.01 US

Filing date 24 April 2002

Wipo publication date 5 November 2002

Acceptance publication date 24 January 2008

International Classifications

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

B01D 17/02 (2006.01) Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion - Separation of non-miscible liquids

C10G 33/04 (2006.01) De-watering or demulsification of hydrocarbon oils

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 60/286,236 24.04.01 US

17 April 2003 Application Open to Public Inspection

  Published as AU-B-2002338477

24 January 2008 Application Accepted

  Published as AU-B-2002338477

22 May 2008 Standard Patent Sealed

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