CONVEYING INSTRUMENTATION WITHIN A BOREHOLE

Details for Australian Patent Application No. 2002257908 (hide)

Owner WEATHERFORD/LAMB, INC.

Inventors NUTH, David

Pub. Number AU-A-2002257908

PCT Pub. Number WO2002/086287

Priority 60/285,891 23.04.01 US

Filing date 19 April 2002

Wipo publication date 5 November 2002

International Classifications

E21B 047/01 Survey of boreholes or wells

E21B 019/22 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 017/00 Drilling rods or pipes

E21B 047/04 Survey of boreholes or wells - Measuring depth or liquid level

E21B 017/20 Drilling rods or pipes

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002257908

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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