System for creating a conduit in a borehole formed in an earth formation

Details for Australian Patent Application No. 2001283874 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Coenen, Josef, Guillaume, Christoffel; Maekiaho, Leo Bernhard

Agent Spruson & Ferguson

Pub. Number AU-B-2001283874

PCT Pub. Number WO01/98626

Priority 00305209.9 20.06.00 EP

Filing date 20 June 2001

Wipo publication date 2 January 2002

Acceptance publication date 22 April 2004

International Classifications

E21B 033/13 Sealing or packing boreholes or wells - Methods or devices for cementing, for plugging holes, crevices, or the like

E21B 027/02 Containers for collecting or depositing substances in boreholes or wells, e.g. bailers for collecting mud or sand

E21B 021/12 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 004/06 Drives for drilling, used in the borehole

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

E21B 033/14 Sealing or packing boreholes or wells

E21B 007/20 Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 007/26 Special methods or apparatus for drilling

E21B 004/18 Drives for drilling, used in the borehole

E21B 007/00 Special methods or apparatus for drilling

Event Publications

22 April 2004 Application Accepted

  Published as AU-B-2001283874

19 August 2004 Standard Patent Sealed

8 February 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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