COSCO utilizes power cable from a number of vendors to provide its customers with the most reliable and economical system.

A wide range of cable sizes and construction types are available. Selection of the cable is based on an analysis of a number of factors including well conditions, available space and motor size as follows:

  • Conductor size based on motor current load
  • Insulation voltage rating based on motor voltage
  • Choice of flat or round cable based on available annular space
  • Well bore temperature
  • Amount of gas present
  • Corrosiveness of well fluids
As a general rule, round cable is preferable to flat cable, due to undesirable current imbalances that are an inherent characteristic of flat cable. However, annular space restrictions, high gas, or temperature conditions requiring lead sheath insulation protection, often dictate that flat cables must be used.

Cable
Type
KV Rating Conductor
Sizes
(AWG)
Maximum
Operating
Temperature
Insulation
Material
Jacket
Material
Configurations
Available
PPNP 3 KV
5 KV
1, 2, 4, 6 205 deg. F
96 deg. C
Polypropylene Nitrile
Rubber
Round
Flat
EPNP 4 KV 1, 2, 4, 6 270 deg. F
130 deg. C
EPDM Nitrile
Rubber
Round
Flat
EPEP 5 KV 1, 2, 4, 6 400 deg. F
204 deg. C
EPDM EPDM Round
Flat
EPOP 4 KV
5 KV
1, 2, 4, 6
16 mm2
450 deg. F
232 deg. C
EPDM Braid over Lead Flat


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