EP 2350421 A4 20151118 - ROCK DRILLING MACHINE
Title (en)
ROCK DRILLING MACHINE
Title (de)
GESTEINSBOHRMASCHINE
Title (fr)
MACHINE DE FORAGE DE ROCHE
Publication
Application
Priority
- NO 2009000201 W 20090529
- NO 20082644 A 20080605
Abstract (en)
[origin: WO2009148323A1] A rock drilling machine (1) comprising a drilling portion (4) and a string portion (6), and where the rock drilling machine (1) between the drilling portion (4) and the string portion (6) is provided with a steering joint (8).
IPC 8 full level
E21B 7/04 (2006.01); E21B 7/06 (2006.01); E21B 7/08 (2006.01); E21B 17/02 (2006.01); E21B 17/04 (2006.01)
CPC (source: EP)
E21B 7/067 (2013.01); E21D 3/00 (2013.01)
Citation (search report)
- [XY] WO 2007134748 A1 20071129 - SCHLUMBERGER SERVICES PETROL [FR], et al
- [A] US 2194267 A 19400319 - BROCK JEROME D, et al
- [Y] WO 2008013458 A1 20080131 - SIRA KVINA KRAFTSELSKAP DA [NO], et al
- [Y] US 6109372 A 20000829 - DOREL ALAIN P [US], et al
- See references of WO 2009148323A1
Designated contracting state (EPC)
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 SE SI SK TR
DOCDB simple family (publication)
WO 2009148323 A1 20091210; EP 2350421 A1 20110803; EP 2350421 A4 20151118; EP 2350421 B1 20170802; ES 2645344 T3 20171205; NO 20082644 L 20091207; NO 333816 B1 20130923
DOCDB simple family (application)
NO 2009000201 W 20090529; EP 09758570 A 20090529; ES 09758570 T 20090529; NO 20082644 A 20080605