EP 1977073 B1 20110622 - STEERABLE DRILLING SYSTEM
Title (en)
STEERABLE DRILLING SYSTEM
Title (de)
LENKBARES BOHRSYSTEM
Title (fr)
SYSTÈME DE FORAGE ORIENTABLE
Publication
Application
Priority
- GB 2006002803 W 20060726
- GB 0515394 A 20050727
Abstract (en)
[origin: WO2007012858A1] A steerable drilling system includes a drill bit comprising a bit body (16) having at least one movable member (22), and a control arrangement operable to allow the position occupied by the movable member (22) to be adjusted. Conveniently, the position of the movable member (22) is adjustable in synchronism with the rotation of the bit.
IPC 8 full level
E21B 7/06 (2006.01); E21B 10/62 (2006.01); E21B 17/10 (2006.01)
CPC (source: EP GB)
E21B 7/064 (2013.01 - EP GB); E21B 7/068 (2013.01 - EP); E21B 10/62 (2013.01 - EP); E21B 17/1092 (2013.01 - EP)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007012858 A1 20070201; AT E513977 T1 20110715; CN 101268246 A 20080917; CN 101268246 B 20140409; EP 1977073 A1 20081008; EP 1977073 B1 20110622; GB 0515394 D0 20050831; GB 0614641 D0 20060830; GB 2428713 A 20070207
DOCDB simple family (application)
GB 2006002803 W 20060726; AT 06765124 T 20060726; CN 200680027465 A 20060726; EP 06765124 A 20060726; GB 0515394 A 20050727; GB 0614641 A 20060724