PLUNGER ENHANCED CHAMBER LIFT FOR WELL INSTALLATIONS

Details for Australian Patent Application No. 2003284182 (hide)

Owner DELAWARE CAPITAL FORMATION, INC.

Inventors ROGERS, Jack, R., Jr.

Pub. Number AU-A-2003284182

PCT Number PCT/US2003/0340

PCT Pub. Number WO2004/099563

Priority 60/467,167 01.05.03 US; 10/440,903 19.05.03 US

Filing date 27 October 2003

Wipo publication date 26 November 2004

International Classifications

E21B 043/18 Obtaining fluids from wells

E21B 019/00 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

F04B 047/12 Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): 60/467,167 01.05.03 US; 10/440,903 19.05.03 US

6 January 2005 Application Open to Public Inspection

  Published as AU-A-2003284182

19 January 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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