SYNCHRONOUS CDMA TELEMETRY SYSTEM FOR USE IN A WELLBORE

Details for Australian Patent Application No. 2001243457 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors GARDNER, Wallace, R.; SCHULTZ, Roger, L.

Pub. Number AU-A-2001243457

PCT Pub. Number WO2002/073004

Filing date 7 March 2001

Wipo publication date 24 September 2002

International Classifications

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

G01V 001/22 Seismology - Transmitting seismic signals to recording or processing apparatus

G01V 001/40 Seismology - specially adapted for well-logging

Event Publications

20 March 2003 Application Open to Public Inspection

  Published as AU-A-2001243457

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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