EP 1740793 B1 20071031 - A TELESCOPIC CONDUCTOR CASING FOR A WELL INSTALLATION AND A METHOD OF DRIVING SAME INTO THE UNDERGROUND
Title (en)
A TELESCOPIC CONDUCTOR CASING FOR A WELL INSTALLATION AND A METHOD OF DRIVING SAME INTO THE UNDERGROUND
Title (de)
TELESKOPSTANDROHR FÜR EINE BOHRLOCHANLAGE UND VERFAHREN ZUM EINTREIBEN DESSELBEN IN DEN UNTERGRUND
Title (fr)
TUBAGE CONDUCTEUR TELESCOPIQUE DESTINE A UNE INSTALLATION DE PUITS ET PROCEDE D'ENTRAINEMENT DE CELUI-CI DANS LE SOUS-SOL
Publication
Application
Priority
- NO 2005000120 W 20050413
- NO 20041495 A 20040413
Abstract (en)
[origin: US2008257603A1] A conductor casing device for establishing and lining a wellbore in unconsolidated sediments, the conductor casing being arranged to be driven into and to displace the unconsolidated sediments by axially directed impulses against an internal abutment in the lower portion of the conductor casing, where the conductor casing is telescopic. The invention also comprises a method of driving a telescopic conductor casing into unconsolidated sediments.
IPC 8 full level
E21B 7/20 (2006.01); E21B 4/06 (2006.01); E21B 17/07 (2006.01); E21B 17/08 (2006.01)
CPC (source: EP US)
E21B 7/20 (2013.01 - EP US); E21B 17/07 (2013.01 - EP US)
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 MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005100732 A1 20051027; AT E377129 T1 20071115; BR PI0509802 A 20070918; BR PI0509802 B1 20160308; CA 2562891 A1 20051027; DE 602005003118 D1 20071213; EP 1740793 A1 20070110; EP 1740793 B1 20071031; NO 20041495 D0 20040413; NO 20041495 L 20051014; NO 320467 B1 20051212; US 2008257603 A1 20081023
DOCDB simple family (application)
NO 2005000120 W 20050413; AT 05734779 T 20050413; BR PI0509802 A 20050413; CA 2562891 A 20050413; DE 602005003118 T 20050413; EP 05734779 A 20050413; NO 20041495 A 20040413; US 57853505 A 20050413