Drilling mast with movable and fixed unscrewing vice

Details for Australian Patent Application No. 2002217433 (hide)

Owner Comacchio S.r.l.

Inventors Comacchio, Patrizio; Comacchio, Renzo; Comacchio, Pasqualino

Agent Patent Attorney Services

Pub. Number AU-B-2002217433

PCT Pub. Number WO2003/048502

Filing date 5 December 2001

Wipo publication date 17 June 2003

Acceptance publication date 10 April 2008

International Classifications

E21B 7/02 (2006.01) Special methods or apparatus for drilling - Drilling rigs characterised by means for land transport, e.g. skid mounting or wheel mounting

E02D 7/16 (2006.01) Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds

E21B 15/00 (2006.01) Other equipment or details for drilling

E21B 19/084 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 19/16 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

21 August 2003 Application Open to Public Inspection

  Published as AU-B-2002217433

10 April 2008 Application Accepted

  Published as AU-B-2002217433

7 August 2008 Standard Patent Sealed

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