CONTROLLED WELLHEAD BUOY

Details for Australian Patent Application No. 2002244114 (hide)

Owner KELLOGG BROWN AND ROOT, INC.

Inventors AMIN, Rajnikant, M.; O'SULLIVAN, James, F.; GRAY, David, A.

Pub. Number AU-A-2002244114

PCT Pub. Number WO2002/070859

Priority 09/796,295 28.02.01 US

Filing date 22 February 2002

Wipo publication date 19 September 2002

International Classifications

E21B 041/00 Equipment or details not covered by groups

E21B 043/00 Obtaining fluids from wells

Event Publications

13 March 2003 Application Open to Public Inspection

  Published as AU-A-2002244114

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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