Apparatus and method for preparing variable density drilling muds

Details for Australian Patent Application No. 2002229044 (hide)

Owner Baker Hughes Incorporated

Inventors Rowden, Michael

Agent Freehills

Pub. Number AU-B-2002229044

PCT Pub. Number WO02/36929

Priority 60244292 30.10.00 US

Filing date 30 October 2001

Wipo publication date 15 May 2002

Acceptance publication date 2 August 2007

International Classifications

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

Event Publications

2 August 2007 Application Accepted

  Published as AU-B-2002229044

29 November 2007 Standard Patent Sealed

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