Matrix treatments of damaged sandstone formations using buffered HFacidizing solutions

Details for Australian Patent Application No. 2005244586 (hide)

Owner BJ Services Company

Inventors Rae, Philip James; Arias, Gino Di Lullo; Ahmad, Atikah Jamilah Bte Kunju

Agent Shelston IP

Pub. Number AU-B-2005244586

Priority 60/637134 17.12.04 US

Filing date 16 December 2005

Wipo publication date 6 July 2006

Acceptance publication date 29 January 2009

International Classifications

E21B 43/27 (2006.01) Obtaining fluids from wells

C09K 8/60 (2006.01) Compositions for drilling of boreholes or wells - Compositions for stimulating production by acting on the underground formation

C09K 8/72 (2006.01) Compositions for drilling of boreholes or wells

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

Event Publications

12 January 2006 Complete Application Filed

  Priority application(s): 60/637134 17.12.04 US

6 July 2006 Application Open to Public Inspection

  Published as AU-B-2005244586

29 January 2009 Application Accepted

  Published as AU-B-2005244586

28 May 2009 Standard Patent Sealed

19 January 2012 Assignment Registered

  BJ Services Company The patent has been assigned to Baker Hughes Incorporated

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