Formation stress identification and estimation using borehole monopole and cross-dipole acoustic measurements

Details for Australian Patent Application No. 2003254730 (hide)

Owner Baker Hughes Incorporated

Inventors Cheng, Arthur C H; Cheng, Ningya; Tang, Xiaoming

Agent Freehills

Pub. Number AU-B-2003254730

Parent 766120

Filing date 15 October 2003

Wipo publication date 20 November 2003

Acceptance publication date 5 May 2005

International Classifications

G01V 001/40 Seismology - specially adapted for well-logging

Event Publications

30 October 2003 Complete Application Filed

20 November 2003 Application Open to Public Inspection

  Published as AU-B-2003254730

5 May 2005 Application Accepted

  Published as AU-B-2003254730

21 July 2005 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 22 Jun 2005. Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Melbourne VIC 3000

1 September 2005 Standard Patent Sealed

8 December 2005 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 22 Jun 2005

7 August 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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