REVERSE CIRCULATION CLEAN OUT SYSTEM FOR LOW PRESSURE GAS WELLS

Details for Australian Patent Application No. 2003260217 (hide)

Owner PRESSSOL LTD.

Inventors LIVINGSTONE, James, I.

Pub. Number AU-A-2003260217

PCT Number PCT/CA03/01292

PCT Pub. Number WO2004/009952

Priority 60/396,717 19.07.02 US

Filing date 21 July 2003

Wipo publication date 9 February 2004

International Classifications

E21B 021/12 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 021/08 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 021/10 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

20 November 2003 Complete Application Filed

  Priority application(s): 60/396,717 19.07.02 US

18 March 2004 Application Open to Public Inspection

  Published as AU-A-2003260217

26 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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