Downhole drilling compositions and methods of preparation

Details for Australian Patent Application No. 2006351378 (hide)

Owner Engineered Drilling Solutions Inc.

Inventors Pomerleau, Daniel Guy

Agent Blake Dawson Patent Attorneys

Pub. Number AU-A-2006351378

PCT Pub. Number WO2008/064452

Filing date 30 November 2006

Wipo publication date 5 June 2008

International Classifications

C09K 8/32 (2006.01) Compositions for drilling of boreholes or wells

E21B 21/01 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 21/06 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 43/00 (2006.01) Obtaining fluids from wells

Event Publications

18 June 2009 PCT application entered the National Phase

  PCT publication WO2008/064452 Priority application(s): WO2008/064452

7 July 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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