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Patent Searching and Data


Title:
DISPLACEABLE DRILLING RIG COMPRISING A DRILLING TOWER
Document Type and Number:
WIPO Patent Application WO/2013/109147
Kind Code:
A3
Abstract:
The invention relates to a displaceable drilling rig comprising at least a drilling tower, wherein said drilling rig comprises a displacement system to displace the drilling rig with respect to a support surface in a substantially horizontal direction, wherein the displacement system comprises two or more displacement devices to displace the drilling rig, wherein each displacement device comprises: a displacement foot extendable and retractable in a substantially vertical direction between an extended position, in which the displacement foot is arranged on the support surface, and a retracted position, in which the displacement foot is free from the support surface, and wherein the displacement foot comprises a lift actuator to move the displacement foot between the retracted position and the extended position, wherein said displacement foot comprises a lower part and an upper part, wherein said lower part is configured to be placed on the support surface, and wherein said upper part is connected to the drilling rig, wherein said lower part is movable with respect to the upper part in at least one substantially horizontal direction, and wherein said displacement foot comprises one or more displacement actuators to move the lower part and the upper part with respect to each other in the at least one substantially horizontal direction.

Inventors:
DE MUL ARTHUR ALEXANDER (NL)
WIJNING DIEDERICK BERNARDUS (NL)
ROODENBURG JOOP (NL)
Application Number:
PCT/NL2013/050026
Publication Date:
September 12, 2013
Filing Date:
January 18, 2013
Export Citation:
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Assignee:
ITREC BV (NL)
International Classes:
E21B15/00; B62D57/02
Foreign References:
US5921336A1999-07-13
US20020185319A12002-12-12
US3576225A1971-04-27
Attorney, Agent or Firm:
VERMEULEN, M. (GE Rijswijk, NL)
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