Dual channel downhole telemetry

Details for Australian Patent Application No. 2003211048 (hide)

Owner Halliburton Energy Services, Inc.

Inventors McGregor, M Douglas; Gardner, Wallace R; Dudley, James H; Rodney, Paul F; Shah, Vimal V

Agent Pizzeys

Pub. Number AU-B-2003211048

PCT Number PCT/US03/04427

PCT Pub. Number WO2003/069120

Priority 10/075,529 13.02.02 US

Filing date 13 February 2003

Wipo publication date 4 September 2003

Acceptance publication date 29 March 2007

International Classifications

E21B 47/12 (2006.01) Survey of boreholes or wells - Means for transmitting measuring-signals from the well to the surface, e.g. for logging while drilling

E21B 47/16 (2006.01) Survey of boreholes or wells

E21B 47/18 (2006.01) Survey of boreholes or wells

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 10/075,529 13.02.02 US

2 October 2003 Application Open to Public Inspection

  Published as AU-B-2003211048

29 March 2007 Application Accepted

  Published as AU-B-2003211048

19 April 2007 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 23 Mar 2007. Address for service in Australia - Pizzeys Level 2, Woden Plaza Offices Woden ACT 2606

9 August 2007 Standard Patent Sealed

6 September 2007 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 23 Mar 2007

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