SELF-DIVERTING PRE-FLUSH ACID FOR SANDSTONE

Details for Australian Patent Application No. 2003250012 (hide)

Owner SOFITECH N.V.

Inventors FU, Diankui

Pub. Number AU-A-2003250012

PCT Number PCT/EP03/07412

PCT Pub. Number WO2004/005672

Priority 10/191,179 09.07.02 US; 10/370,633 20.02.03 US

Filing date 9 July 2003

Wipo publication date 23 January 2004

International Classifications

E21B 043/27 Obtaining fluids from wells

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 10/191,179 09.07.02 US; 10/370,633 20.02.03 US

11 March 2004 Application Open to Public Inspection

  Published as AU-A-2003250012

14 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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