SURFACE DEPLOYED CEMENT SEPARATION PLUG

Details for Australian Patent Application No. 2002340055 (hide)

Owner BAKER HUGHES INCORPORATED

Inventors MCMAHAN, Michael, E.

Pub. Number AU-A-2002340055

PCT Number PCT/US02/30855

PCT Pub. Number WO2003/031769

Priority 09/974,995 10.10.01 US

Filing date 30 September 2002

Wipo publication date 22 April 2003

International Classifications

E21B 033/16 Sealing or packing boreholes or wells

E21B 033/13 Sealing or packing boreholes or wells - Methods or devices for cementing, for plugging holes, crevices, or the like

E21B 033/134 Sealing or packing boreholes or wells

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 09/974,995 10.10.01 US

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002340055

24 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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