Multipurpose unit with multipurpose tower and method for tendering with a semisubmersible

Details for Australian Patent Application No. 2002256234 (hide)

Owner Drillmar, Inc. ITREC, B.V.

Inventors Roodenburg, Joop; Beato, Christopher Louis

Agent Spruson & Ferguson

Pub. Number AU-B-2002256234

PCT Pub. Number WO2002/087959

Priority 60/287,789 01.05.01 US

Filing date 1 May 2002

Wipo publication date 11 November 2002

Acceptance publication date 13 March 2008

International Classifications

E21B 19/00 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

B63B 21/50 (2006.01) Tying-up

B63B 35/44 (2006.01) Vessels or like floating structures adapted for special purposes - Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices

E21B 15/02 (2006.01) Other equipment or details for drilling

B63B 1/10 (2006.01) Hydrodynamic or hydrostatic features of hulls or of hydrofoils

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-B-2002256234

6 January 2005 Amendment Made

  The nature of the amendment is: Add the co-applicant/patentee ITREC, B.V.

13 March 2008 Application Accepted

  Published as AU-B-2002256234

10 July 2008 Standard Patent Sealed

3 November 2011 Assignment Registered

  Drillmar, Inc.; ITREC, B.V. The patent has been assigned to ITREC, B.V.

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