EP 2644819 A1 20131002 - An annular barrier having expansion tubes
Title (en)
An annular barrier having expansion tubes
Title (de)
Ringförmige Barriere mit Ausdehnungsrohren
Title (fr)
Barrière annulaire dotée de tubes d'expansion
Publication
Application
Priority
EP 12162460 A 20120330
Abstract (en)
The present invention relates to an annular barrier (1) for mounting as part of a well tubular structure (3), the annular barrier being adapted to be expanded in an annulus (2) between the well tubular structure and an inside wall (41) of a borehole (4). The annular barrier comprises a tubular part (6) extending in a longitudinal direction and an expandable tube (7) having a centre axis (72) extending outside the tubular part in the longitudinal direction.
IPC 8 full level
E21B 33/12 (2006.01); E21B 33/127 (2006.01)
CPC (source: EP US)
E21B 33/1208 (2013.01 - EP US); E21B 33/127 (2013.01 - EP US); E21B 33/1285 (2013.01 - US); E21B 2200/01 (2020.05 - US)
Citation (search report)
- [XI] WO 2009001069 A2 20081231 - METCALFE PAUL DAVID [GB]
- [A] US 2005016740 A1 20050127 - ALDAZ WALTER [MY], et al
- [A] US 2004055758 A1 20040325 - BREZINSKI MICHAEL M [US], et al
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2644819 A1 20131002; AU 2013241856 A1 20141106; CA 2867518 A1 20131003; CN 104169518 A 20141126; MX 2014011143 A 20141210; RU 2014141344 A 20160520; US 2015034316 A1 20150205; WO 2013144182 A1 20131003
DOCDB simple family (application)
EP 12162460 A 20120330; AU 2013241856 A 20130327; CA 2867518 A 20130327; CN 201380014668 A 20130327; EP 2013056469 W 20130327; MX 2014011143 A 20130327; RU 2014141344 A 20130327; US 201314385896 A 20130327