Apparatus for recycling of oil based drilling fluid contaminated with water

Details for Australian Patent Application No. 2003286615 (hide)

Owner M-I L.L.C.

Inventors Mueller, Frank

Agent Pizzeys

Pub. Number AU-B-2003286615

PCT Number PCT/US2003/0336

PCT Pub. Number WO2004/046498

Priority 10/295,645 15.11.02 US

Filing date 24 October 2003

Wipo publication date 15 June 2004

Acceptance publication date 5 June 2008

International Classifications

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

B01D 17/00 (2006.01) Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

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

B01D 17/05 (2006.01) Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

B01D 21/00 (2006.01) Separation of suspended solid particles from liquids by sedimentation

C02F 1/68 (2006.01) Treatment of water, waste water, or sewage - by addition of specified substances, e.g. trace elements, for ameliorating potable water

C02F 9/00 (2006.01) Multistep treatment of water, waste water or sewage

C10G 33/06 (2006.01) De-watering or demulsification of hydrocarbon oils

C02F 1/52 (2006.01) Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 10/295,645 15.11.02 US

15 July 2004 Application Open to Public Inspection

  Published as AU-B-2003286615

5 June 2008 Application Accepted

  Published as AU-B-2003286615

2 October 2008 Standard Patent Sealed

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