A one trip drilling and casing cementing method

Details for Australian Patent Application No. 2003220664 (hide)

Owner Baker Hughes Incorporated

Inventors Makohl, Friedhelm; Koehrmann, Frank; Wood, Edward T; Haughton, David B; Krauss, Christiaan D; Givens, George E; Vincent, Ray P

Agent Freehills

Pub. Number AU-B-2003220664

PCT Number PCT/US03/10324

PCT Pub. Number WO2003/087525

Priority 60/370,910 08.04.02 US

Filing date 4 April 2003

Wipo publication date 27 October 2003

Acceptance publication date 26 June 2008

International Classifications

E21B 7/20 (2006.01) Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 33/14 (2006.01) Sealing or packing boreholes or wells

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 60/370,910 08.04.02 US

4 December 2003 Application Open to Public Inspection

  Published as AU-B-2003220664

26 June 2008 Application Accepted

  Published as AU-B-2003220664

23 October 2008 Standard Patent Sealed

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