Closed loop fluid-handing system for well drilling

Details for Australian Patent Application No. 2002219322 (hide)

Owner Secure Drilling International, L.P.

Inventors Leuchtenberg, Christian

Agent Patent Attorney Services

Pub. Number AU-B-2002219322

PCT Pub. Number WO02/50398

Priority 09737851 18.12.00 US

Filing date 14 December 2001

Wipo publication date 1 July 2002

Acceptance publication date 5 October 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 44/00 (2006.01) Automatic control

Event Publications

20 January 2005 Amendment Made

  The nature of the amendment is: Amend the invention title to read Closed loop fluidhanding system for well drilling

10 February 2005 Assignment before Grant

  Impact Engineering Solutions Limited The application has been assigned to Impact Solutions Group Limited

28 September 2006 Assignment before Grant

  Impact Solutions Group Limited The application has been assigned to Secure Drilling International, L.P.

5 October 2006 Application Accepted

  Published as AU-B-2002219322

1 February 2007 Standard Patent Sealed

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