AQUEOUS VISCOELASTIC FLUID

Details for Australian Patent Application No. 2002229963 (hide)

Owner SOFITECH N.V. SCHLUMBERGER CANADA LIMITED SCHLUMBERGER HOLDINGS LIMITED SERVICES PETROLIERS SCHLUMBERGER SCHLUMBERGER TECHNOLOGY B.V.

Inventors JONES, Timothy, Gareth, John; ZHOU, Jian; TUSTIN, Gary, John; HUGHES, Trevor

Pub. Number AU-A-2002229963

PCT Pub. Number WO2002/064947

Priority 0103449.5 13.02.01 GB

Filing date 13 February 2002

Wipo publication date 28 August 2002

International Classifications

E21B 043/26 Obtaining fluids from wells

B01F 017/00 Use of substances as emulsifying, wetting, dispersing, or foam-producing agents

Event Publications

20 February 2003 Application Open to Public Inspection

  Published as AU-A-2002229963

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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