Title:
LOAD-BEARING LEG FOR A DRILLING RIG
Document Type and Number:
WIPO Patent Application WO/2015/071176
Kind Code:
A3
Abstract:
Disclosed are a load-bearing leg (16) for a drilling rig as well as a drilling rig comprising at least one load-bearing leg (16) of said type. The load-bearing leg (16) comprises a base piece (26) and a shoe piece (18) as well as a lifting mechanism and a moving mechanism for vertically and horizontally moving the shoe piece (18) and is characterized in that a guiding element (30) in the base piece (26) and a sliding surface (32) that is part of the shoe piece (18) are designed in such a way that same form a dry sliding bearing.
Inventors:
NORDBECK ACHIM (DE)
NAKKEN ANDREAS (DE)
CORDES MALTE (DE)
NAKKEN ANDREAS (DE)
CORDES MALTE (DE)
Application Number:
PCT/EP2014/073980
Publication Date:
July 16, 2015
Filing Date:
November 06, 2014
Export Citation:
Assignee:
BENTEC GMBH DRILLING & OILFIELD SYSTEMS (DE)
International Classes:
E21B15/00; B62D57/02
Domestic Patent References:
WO2013123221A1 | 2013-08-22 | |||
WO2009135047A2 | 2009-11-05 |
Foreign References:
US4014266A | 1977-03-29 |
Attorney, Agent or Firm:
WERNER&TEN BRINK - PATENTANWÄLTE (Bad Bentheim, DE)
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