Method of cementing using bismuth salts or derivitives thereof

Details for Australian Patent Application No. 2006203471 (hide)

Owner BJ Services Company

Inventors Arias, Gino Di Lullo; Rae, Philip James

Agent Shelston IP

Pub. Number AU-B-2006203471

Priority 11/207411 19.08.05 US

Filing date 14 August 2006

Wipo publication date 8 March 2007

Acceptance publication date 7 February 2008

International Classifications

C04B 22/06 (2006.01) Use of materials as active ingredients

C04B 22/08 (2006.01) Use of materials as active ingredients

E21B 33/13 (2006.01) Sealing or packing boreholes or wells - Methods or devices for cementing, for plugging holes, crevices, or the like

Event Publications

31 August 2006 Complete Application Filed

  Priority application(s): 11/207411 19.08.05 US

8 March 2007 Application Open to Public Inspection

  Published as AU-B-2006203471

7 February 2008 Application Accepted

  Published as AU-B-2006203471

5 June 2008 Standard Patent Sealed

19 January 2012 Assignment Registered

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

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