Solid-liquid separation of oil-based muds

Details for Australian Patent Application No. 2004280544 (hide)

Owner Cytec Technology Corp.

Inventors Huang, Sun-Yi; Pena, Jorge Eduardo Adams; Farinato, Raymond; Masias, Henry

Agent Spruson & Ferguson

Pub. Number AU-A-2004280544

PCT Pub. Number WO2005/035934

Priority 10/674,441 30.09.03 US

Filing date 16 July 2004

Wipo publication date 21 April 2005

International Classifications

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

B01D 17/00 (2006.01) Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

B09B 3/00 (2006.01) Destroying solid waste or transforming solid waste into something useful or harmless

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

Event Publications

6 April 2006 PCT application entered the National Phase

  PCT publication WO2005/035934 Priority application(s): WO2005/035934

18 December 2008 Assignment before Grant

  Cytec Technology Corp. The application has been assigned to Kemira Oyj

6 May 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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