Downhole backspin retarder for progressive cavity pump

Details for Australian Patent Application No. 2012201318 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Robles-Villa, Jorge

Agent Fisher Adams Kelly

Pub. Number AU-A-2012201318

Priority 13/048,383 15.03.11 US

Filing date 5 March 2012

Wipo publication date 4 October 2012

International Classifications

F04C 2/107 Rotary-piston machines or pumps

E21B 43/00 Obtaining fluids from wells

F04C 14/00 Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations

F04C 15/00 Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups

Event Publications

22 March 2012 Complete Application Filed

  Priority application(s): 13/048,383 15.03.11 US

4 October 2012 Application Open to Public Inspection

  Published as AU-A-2012201318

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