Well cementing compositions and methods

Details for Australian Patent Application No. 2002345750 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Roddy, Craig W.

Agent Callinan

Pub. Number AU-B-2002345750

PCT Number PCT/US02/19698

PCT Pub. Number WO2004/000750

Filing date 21 June 2002

Wipo publication date 6 January 2004

Acceptance publication date 8 May 2008

International Classifications

C04B 22/12 (2006.01) Use of materials as active ingredients

C04B 28/02 (2006.01) Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements

C09K 8/46 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/473 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

6 March 2003 Complete Application Filed

4 March 2004 Application Open to Public Inspection

  Published as AU-B-2002345750

1 May 2008 Assignment before Grant

  Halliburton Energy Services, Inc.; Roddy, Craig W The application has been assigned to Halliburton Energy Services, Inc.

8 May 2008 Application Accepted

  Published as AU-B-2002345750

4 September 2008 Standard Patent Sealed

20 January 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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