WELL CLEANING APPARATUS

Details for Australian Patent Application No. 2002255170 (hide)

Owner WATERWELL INTERNATIONAL UK LIMITED

Inventors CHALLACOMBE, Scott, Robert

Pub. Number AU-A-2002255170

PCT Pub. Number WO2002/095186

Priority 0112294.4 19.05.01 GB

Filing date 9 May 2002

Wipo publication date 3 December 2002

International Classifications

E21B 037/08 Methods or apparatus for cleaning boreholes or wells

F42B 001/00 Explosive charges characterised by form or shape but not dependent on shape of container

Event Publications

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002255170

4 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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