Electrical submersible pump cable

An electrical cable comprises a plurality of primary conductors 30, 32, 34, an insulating layer 36, 38, 40 surrounding each of said primary conductors, a coaxial conductive layer 46, 48, 50 surrounding at least one of said inner insulating layers, an outer insulating layer 52, 54, 56 on an outer sur...

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Bibliographic Details
Main Authors DICK KNOX, GORDON L BESSER
Format Patent
LanguageEnglish
Published 24.01.2001
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
ELECTRICITY
FIXED CONSTRUCTIONS
INSULATORS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:An electrical cable comprises a plurality of primary conductors 30, 32, 34, an insulating layer 36, 38, 40 surrounding each of said primary conductors, a coaxial conductive layer 46, 48, 50 surrounding at least one of said inner insulating layers, an outer insulating layer 52, 54, 56 on an outer surface of each coaxial conductive layer, and an outer jacket 64 surrounding all of the inner insulating layers and said outer insulating layer(s). The cable may further comprise inner cable armour 58, 60, 62 surrounding the outer insulating layer. The cable construction may be used as a motor lead extension (see figure 1) to be spliced onto the end of a downhole communication cable for an electrical submersible pump, so that regular cable may be used along the majority of the downhole length (thereby reducing cost), the coaxial and primary conductors enabling the coupling of information onto or off the cable.
Bibliography:Application Number: GB20000017496