AUTOMATIC TUBING FILLER

Details for Australian Patent Application No. 2002253341 (hide)

Owner WEATHERFORD/LAMB, INC.

Inventors FREIHEIT, Roland, Richard; WILKIN, James, Frederick; STEELE, Geoffrey, David

Pub. Number AU-A-2002253341

PCT Pub. Number WO2002/088514

Priority 60/287,412 30.04.01 US

Filing date 30 April 2002

Wipo publication date 11 November 2002

International Classifications

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

E21B 034/10 Valve arrangements for boreholes or wells

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002253341

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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