Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants

Details for Australian Patent Application No. 2005252686 (hide)

Owner Baker Hughes Incorporated

Inventors Crews, James B.

Agent Freehills

Pub. Number AU-B-2005252686

PCT Pub. Number WO2005/121273

Priority 60/577,682 07.06.04 US

Filing date 7 June 2005

Wipo publication date 22 December 2005

Acceptance publication date 17 March 2011

International Classifications

E21B 43/25 (2006.01) Obtaining fluids from wells - Methods for stimulating production

C09K 8/68 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

21 June 2007 Section 223 Application Allowed

  Baker Hughes Incorporated The time in which to enter the National Phase has been extended to 07 Mar 2007. Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Melbourne VIC 3000

5 July 2007 PCT application entered the National Phase

  PCT publication WO2005/121273 Priority application(s): WO2005/121273

17 March 2011 Application Accepted

  Published as AU-B-2005252686

14 July 2011 Standard Patent Sealed

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