EP 2586963 A1 20130501 - Sealing material for annular barriers
Title (en)
Sealing material for annular barriers
Title (de)
Dichtungsmaterial für ringförmige Sperren
Title (fr)
Matériau de fermeture pour barrières annulaires
Publication
Application
Priority
EP 11187092 A 20111028
Abstract (en)
The present invention relates to an annular barrier for providing zone isolation between a first zone and a second zone in a borehole or a casing downhole, said annular barrier having a circumference and an outer face and comprising an annular seal comprising a sealing material having a bundle of strands wherein at least one strand comprises graphite and/or carbon.
IPC 8 full level
E21B 33/127 (2006.01)
CPC (source: EP US)
E21B 33/1208 (2013.01 - EP US); E21B 33/1277 (2013.01 - EP US)
Citation (search report)
- [XI] US 5507341 A 19960416 - ESLINGER DAVID M [US], et al
- [X] GB 2458557 A 20090930 - SCHLUMBERGER HOLDINGS [VG]
- [X] US 4730670 A 19880315 - KIM YUNG J [US]
- [X] US 4753444 A 19880628 - JACKSON ALAN T [US], et al
- [A] US 4532169 A 19850730 - CARLEY EARL P [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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2586963 A1 20130501; AU 2012328387 A1 20140717; BR 112014008538 A2 20170418; CA 2852152 A1 20130502; CN 103874824 A 20140618; EP 2771540 A1 20140903; MX 2014004416 A 20140623; RU 2014118530 A 20151210; US 2014299334 A1 20141009; WO 2013060849 A1 20130502
DOCDB simple family (application)
EP 11187092 A 20111028; AU 2012328387 A 20121026; BR 112014008538 A 20121026; CA 2852152 A 20121026; CN 201280050355 A 20121026; EP 12780175 A 20121026; EP 2012071270 W 20121026; MX 2014004416 A 20121026; RU 2014118530 A 20121026; US 201214354682 A 20121026