REVERSE CIRCULATION DIRECTIONAL AND HORIZONTAL DRILLING USING CONCENTRIC COIL TUBING
Details for Australian Patent Application No. 2003260210 (hide)
International Classifications
Event Publications
20 November 2003 Complete Application Filed
Priority application(s): 60/404,787 21.08.02 US
22 April 2004 Application Open to Public Inspection
Published as AU-A-2003260210
26 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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2003260211-REVERSE CIRCULATION DIRECTIONAL AND HORIZONTAL DRILLING USING CONCENTRIC DRILL STRING
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