DOWNHOLE TORQUE-GENERATING AND GENERATOR COMBINATION APPARATUS

Details for Australian Patent Application No. 2002251361 (hide)

Owner SPRING, Gregson, William, Martin

Inventors SPRING, Gregson, William, Martin

Pub. Number AU-A-2002251361

PCT Pub. Number WO2002/091553

Priority 0111124.4 05.05.01 GB

Filing date 1 May 2002

Wipo publication date 18 November 2002

International Classifications

H02K 049/04 Dynamo-electric clutches

E21B 007/06 Special methods or apparatus for drilling

H02K 016/02 Machines with more than one rotor or stator

E21B 017/02 Drilling rods or pipes - Couplings

H02K 007/18 Arrangements for handling mechanical energy structurally associated with the machine, e.g. structural association with mechanical driving motor or auxiliary dynamo-electric machine - Structural association of electric generator with mechanical driving motor, e.g. turbine

F04D 029/66 Details, component parts, or accessories - Combating cavitation, whirls, noise, vibration, or the like

H02K 017/34

F04D 013/10 Pumping installations or systems

E21B 041/00 Equipment or details not covered by groups

Event Publications

1 May 2003 Application Open to Public Inspection

  Published as AU-A-2002251361

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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