EP 2821585 B1 20160120 - Drilling device and drilling method
Title (en)
Drilling device and drilling method
Title (de)
Bohrvorrichtung und Bohrverfahren
Title (fr)
Dispositif de forage et procédé de forage
Publication
Application
Priority
EP 13174836 A 20130703
Abstract (en)
[origin: US2015008040A1] A drilling device and method with a drill rod which can be driven in a rotating manner and has an internal line, a support rope, a rotary joint between the drill rod and the support rope and has a holding member which is in connection with the support rope and a rotary member which is in connection with the rotatable drill rod, a line and a rotary feed-through which is designed for the passage of fluid and/or data between the line and the internal line of the drill rod, wherein the rotary feed-through has a rotor connected to the drill rod and a non-rotating stator, to which the line is attached. Provision is made for the support rope to be designed in a torsion-proof manner and for a rigid connecting element to be arranged as a torque support between the stator of the rotary feed-through and the torsion-proof support rope.
IPC 8 full level
E21B 7/00 (2006.01)
CPC (source: EP US)
E21B 7/00 (2013.01 - EP US); E21B 17/03 (2013.01 - EP US); E21B 17/05 (2013.01 - US); E21B 19/02 (2013.01 - US)
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)
EP 2821585 A1 20150107; EP 2821585 B1 20160120; HK 1200514 A1 20150807; SG 10201403410W A 20150227; US 2015008040 A1 20150108; US 9388644 B2 20160712
DOCDB simple family (application)
EP 13174836 A 20130703; HK 15100920 A 20150128; SG 10201403410W A 20140619; US 201414320789 A 20140701