EP 3119989 B1 20180725 - DRILLING RIG AND METHOD
Title (en)
DRILLING RIG AND METHOD
Title (de)
BOHRGESTELL UND VERFAHREN
Title (fr)
TREUIL DE FORAGE ET PROCÉDÉ
Publication
Application
Priority
- SE 1450277 A 20140312
- SE 2015050232 W 20150227
Abstract (en)
[origin: WO2015137862A1] A drill module (1) for extraction drilling starting from a gallery (12) below ground, wherein the drill module has two sideward directions (S1, S2), and wherein the drill module includes: a body (4), a drill unit (5) having rotation and drive means for a drill string (27) with a drill bit (6), a first set of spanning means (13) for action downwards towards a ground support for the drill module, a second set of spanning means (31, 31', 32), which are positioned directed sideways. A third set of spanning means (36, 36') is attached to the drill unit (5) and directed at angle to the drilling direction (0) for application against roof portions of said gallery for obtaining direct stabilization of the drill unit (5) relative to these roof portions. The invention also concerns a method.
IPC 8 full level
E21C 25/58 (2006.01); E21C 35/06 (2006.01)
CPC (source: EP SE)
E21C 25/58 (2013.01 - EP SE); E21C 35/06 (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
DOCDB simple family (publication)
WO 2015137862 A1 20150917; CA 2962000 A1 20150917; EP 3119989 A1 20170125; EP 3119989 B1 20180725; PL 3119989 T3 20181231; SE 1450277 A1 20150913; SE 538353 C2 20160524
DOCDB simple family (application)
SE 2015050232 W 20150227; CA 2962000 A 20150227; EP 15721355 A 20150227; PL 15721355 T 20150227; SE 1450277 A 20140312