Fluid loss control and sealing agent for drilling depleted sand formations

Details for Australian Patent Application No. 2004273027 (hide)

Owner Baker Hughes Incorporated

Inventors Stowe, Calvin J. Ii; Bland, Ronald G.; Xiang, Tao; Clapper, Dennis; Benaissa, Saddok

Agent Freehills

Pub. Number AU-B-2004273027

PCT Pub. Number WO2005/026288

Priority 10/656,047 05.09.03 US

Filing date 2 September 2004

Wipo publication date 24 March 2005

Acceptance publication date 11 December 2008

International Classifications

C09K 8/32 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

23 February 2006 PCT application entered the National Phase

  PCT publication WO2005/026288 Priority application(s): WO2005/026288

11 December 2008 Application Accepted

  Published as AU-B-2004273027

8 January 2009 Corrigenda

  Applications Accepted - Name Index Under the name Baker Hughes Incorporated, Application No. 2004273027, under INID (72), correct the co-inventor name to read Stowe II, Calvin J.

5 February 2009 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 12 Jan 2009. Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Mebourne VIC 3000

28 May 2009 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 12 Jan 2009

4 June 2009 Standard Patent Sealed

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