EP 3057107 A1 20160817 - Coiled tubing power cable for deep wells
Title (en)
Coiled tubing power cable for deep wells
Title (de)
Rohrwendelstromkabel für tiefe Bohrlöcher
Title (fr)
Câble électrique à tube spiralé pour puits profonds
Publication
Application
Priority
EP 15305194 A 20150210
Abstract (en)
The invention concerns a power cable for providing power to a downhole tool situated within a deep well. The power cable comprises a plurality of stranded cable cores (2). Each cable core comprises an inner conductor (5) of a first conductive material, an armour core layer (6) surrounding the inner conductor of a second conductive material having higher tensile strength than the first conductive material and a conducting core layer (7) surrounding the armour core layers of a third conductive material. The inner conductor, the armour core layer and the outer conducting core layer are electrically connected to each other along the cable core's longitudinal length.
IPC 8 full level
H01B 7/04 (2006.01)
CPC (source: EP)
H01B 7/046 (2013.01); H01B 9/006 (2013.01); H01B 9/04 (2013.01)
Citation (applicant)
WO 2011146353 A2 20111124 - SCHLUMBERGER CA LTD [CA], et al
Citation (search report)
- [AD] EP 2521139 A1 20121107 - NEXANS [FR]
- [A] WO 2014062061 A1 20140424 - C6 TECHNOLOGIES AS [NO]
- [A] GB 2435347 A 20070822 - NEXANS [FR]
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 3057107 A1 20160817; EP 3057107 B1 20180110; BR 102016002491 A2 20160816; NO 3057107 T3 20180609
DOCDB simple family (application)
EP 15305194 A 20150210; BR 102016002491 A 20160204; NO 15305194 A 20150210