A METHOD AND ARRANGEMENT FOR CONNECTING DRILL PIPES/ DRILL PIPE STANDS

Details for Australian Patent Application No. 2002228497 (hide)

Owner NATIONAL OILWELL NORWAY AS

Inventors GJEDEBO, Jon, Grude

Pub. Number AU-A-2002228497

PCT Pub. Number WO2002/057593

Priority 20010272 17.01.01 NO

Filing date 17 January 2002

Wipo publication date 30 July 2002

International Classifications

E21B 019/14 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-A-2002228497

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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