Apparatus and method for using a surface oscillator as a downhole seismic source

Details for Australian Patent Application No. 2002251781 (hide)

Owner BAKER HUGHES INCORPORATED

Inventors Bussear, Terry R.; Norris, Michael W.

Agent Freehills

Pub. Number AU-A-2002251781

PCT Pub. Number WO2002/057808

Priority 60/262,992 19.01.01 US

Filing date 18 January 2002

Wipo publication date 30 July 2002

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-A-2002251781

18 November 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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