METHODS FOR CONTROLLING THE RHEOLOGICAL PROPERTIES OF VISCOELASTIC SURFACTANTS BASED FLUIDS

Details for Australian Patent Application No. 2003295180 (hide)

Owner SOFITECH N.V.

Inventors ENGLAND, Kevin; SULLIVAN, Philip; LEE, Jesse; NELSON, Erik

Pub. Number AU-A-2003295180

PCT Number PCT/IB2003/0060

PCT Pub. Number WO2004/057155

Priority 10/325,226 19.12.02 US

Filing date 18 December 2003

Wipo publication date 14 July 2004

International Classifications

E21B 043/25 Obtaining fluids from wells - Methods for stimulating production

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 10/325,226 19.12.02 US

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003295180

8 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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