Method and apparatus for penetrating subsurface formations

Details for Australian Patent Application No. 2004236687 (hide)

Owner Nackerud, A.

Inventors Nackerud, Alan L.

Agent Cullen & Co

Pub. Number AU-A-2004236687

PCT Pub. Number WO2004/099551

Priority 10/428,499 02.05.03 US

Filing date 29 April 2004

Wipo publication date 18 November 2004

International Classifications

E21B 043/116 Obtaining fluids from wells

Event Publications

17 November 2005 PCT application entered the National Phase

  PCT publication WO2004/099551 Priority application(s): WO2004/099551

26 November 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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