The use of sized barite as a weighting agent for drilling fluids

Details for Australian Patent Application No. 2005250481 (hide)

International Classifications

Event Publications

26 April 2007 Section 223 Application Allowed

M-I L.l.c. The time in which to enter the National Phase has been extended to 03 Mar 2007. Address for service in Australia - Pizzeys Level 2, Woden Plaza Offices Woden Town Square Woden ACT 2606

10 May 2007 PCT application entered the National Phase

PCT publication WO2005/118742 Priority application(s): WO2005/118742

8 October 2009 Application Accepted

Published as AU-B-2005250481

4 February 2010 Standard Patent Sealed

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