METHODS AND APPARATUS TO CONTROL DOWNHOLE TOOLS

Details for Australian Patent Application No. 2002334154 (hide)

Owner WEATHERFORD/LAMB, INC.

Inventors BAILEY, Thomas; WILSON, Timothy, L.; NERO, Michael

Pub. Number AU-A-2002334154

PCT Number PCT/GB02/04646

PCT Pub. Number WO2003/033859

Priority 09/976,845 12.10.01 US

Filing date 11 October 2002

Wipo publication date 28 April 2003

International Classifications

E21B 031/107 Fishing for or freeing objects in boreholes or wells

E21B 031/113 Fishing for or freeing objects in boreholes or wells

E21B 007/06 Special methods or apparatus for drilling

E21B 047/12 Survey of boreholes or wells - Means for transmitting measuring-signals from the well to the surface, e.g. for logging while drilling

Event Publications

13 February 2003 Complete Application Filed

  Priority application(s): 09/976,845 12.10.01 US

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002334154

1 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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