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Details for Australian Patent Application No. 2003233861 (hide)

Owner SPECIALISED PETROLEUM SERVICES GROUP LIMITED

Inventors CARMICHAEL, Mark

Pub. Number AU-A-2003233861

PCT Number PCT/GB03/01596

PCT Pub. Number WO2003/089755

Priority 0208673.4 16.04.02 GB

Filing date 14 April 2003

Wipo publication date 3 November 2003

International Classifications

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

E21B 034/12 Valve arrangements for boreholes or wells

E21B 043/10 Obtaining fluids from wells

Event Publications

28 August 2003 Complete Application Filed

  Priority application(s): 0208673.4 16.04.02 GB

11 December 2003 Application Open to Public Inspection

  Published as AU-A-2003233861

13 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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