BUFFERED WELL FLUIDS

Details for Australian Patent Application No. 2002355111 (hide)

Owner M-I L.L.C.

Inventors GREEN, Taylor, Caldwell, III; FREEMAN, Michael, A.

Pub. Number AU-A-2002355111

PCT Number PCT/US02/22733

PCT Pub. Number WO2003/008759

Priority 09/910,424 20.07.01 US

Filing date 17 July 2002

Wipo publication date 3 March 2003

International Classifications

E21B 037/06 Methods or apparatus for cleaning boreholes or wells

E21B 021/06 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 09/910,424 20.07.01 US

22 May 2003 Application Open to Public Inspection

  Published as AU-A-2002355111

8 April 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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