EP 2806098 A2 20141126 - Drilling rig
Title (en)
Drilling rig
Title (de)
Bohrgestell
Title (fr)
Installation de forage
Publication
Application
Priority
SE 1350632 A 20130523
Abstract (en)
The present invention relates to a drilling rig for the attachment to a lifting arm, comprising a foot part (10), a stand part (11) secured to the foot part (10) and extending upwards from the foot part (10), and on which stand part (11) a drill holder (2) is movably arranged, a lifting part (12) provided with an attachment arrangement (120) arranged to be connected to said lifting arm, and a drive arrangement (3, 31, 32, 34) for the movement of said drill holder (2), wherein said drive arrangement is arranged to supply force for the motion upwards of said drill holder (2), and that the drill holder (2) is arranged to be moved downwards on the stand part (11) by gravity.
IPC 8 full level
E21B 7/02 (2006.01); E21B 19/084 (2006.01)
CPC (source: EP SE)
E21B 7/02 (2013.01 - SE); E21B 7/025 (2013.01 - EP); E21B 15/00 (2013.01 - SE); E21B 19/084 (2013.01 - EP SE)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2806098 A2 20141126; EP 2806098 A3 20160706; SE 1350632 A1 20141124; SE 539063 C2 20170404
DOCDB simple family (application)
EP 14169575 A 20140523; SE 1350632 A 20130523