Down hole drilling assembly with independent jet pump

Details for Australian Patent Application No. 2002300837 (hide)

Owner Sunstone Corporation

Inventors Hughes, William James; Renfro, Jimmie Josh

Agent Davies Collison Cave

Pub. Number AU-B-2002300837

Priority 09946849 04.09.01 US

Filing date 2 September 2002

Wipo publication date 12 June 2003

Acceptance publication date 2 November 2006

International Classifications

E21B 21/08 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

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

E21B 21/12 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 33/127 (2006.01) Sealing or packing boreholes or wells

E21B 43/12 (2006.01) Obtaining fluids from wells - Methods or apparatus for controlling the flow of the obtained fluid to or in wells

Event Publications

12 June 2003 Application Open to Public Inspection

  Published as AU-B-2002300837

10 March 2005 Assignment before Grant

  Hughes Ubhd Tool Company, LLC The application has been assigned to Sunstone Corporation

7 April 2005 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 14 Oct 2004

2 November 2006 Application Accepted

  Published as AU-B-2002300837

1 March 2007 Standard Patent Sealed

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