Clay stabilization in sub-surface formations

Details for Australian Patent Application No. 2005231200 (hide)

Owner Nalco Energy Services, L.P.

Inventors Blair, Cecil Curtis

Agent Griffith Hack

Pub. Number AU-B-2005231200

PCT Pub. Number WO2005/098199

Priority 10/812,337 29.03.04 US

Filing date 24 March 2005

Wipo publication date 20 October 2005

Acceptance publication date 8 January 2009

International Classifications

E21B 43/00 (2006.01) Obtaining fluids from wells

C09K 8/60 (2006.01) Compositions for drilling of boreholes or wells - Compositions for stimulating production by acting on the underground formation

Event Publications

28 September 2006 PCT application entered the National Phase

  PCT publication WO2005/098199 Priority application(s): WO2005/098199

8 January 2009 Application Accepted

  Published as AU-B-2005231200

7 May 2009 Standard Patent Sealed

18 October 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2005231223-Clamping apparatus, drill string component and rock drilling rig

2005231176-Quantitative transient analysis of localized corrosion