System for remediating a wellbore annulus

Details for Australian Patent Application No. 2011239251 (hide)

Owner Vetco Gray Inc.

Inventors Howell, James J.; Udipi, Mahesha; Viator, Mark; Borak, Eugene; Comeaux, David

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2011239251

Priority 12/910,191 22.10.10 US

Filing date 21 October 2011

Wipo publication date 10 May 2012

International Classifications

E21B 17/20 (2006.01) Drilling rods or pipes

E21B 19/22 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 21/00 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

10 November 2011 Complete Application Filed

  Priority application(s): 12/910,191 22.10.10 US

10 May 2012 Application Open to Public Inspection

  Published as AU-A-2011239251

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