Description
Cables with three main current-carrying conductors made of
heat-corrosion-resistant aluminum alloy, with two-layer polymer
insulation, for submersible electric pump installations, are
designed to supply electrical energy to electric motors of oil
production units at a rated voltage of 3.3 kV and 4.0 kV with a
range of working frequencies up to *****0 Hz. The long-term
permissible heating temperature of the cable cores is **5 °
C.
Main characteristics:
Operating temperature range of cables, [° С] .. from **0 to +
**5
Installation at temperature, [° С] .. not lower than **0
Average service life of cables, [year] . 5.5
Shelf life, [months] .. *2 from the day of receipt until the day of
putting the cable into operation
Warranty period for cables, [months.. *4
Crushing load not less than **8 kN (*6 **0 kgf)
Test voltage:
3.3 kV cable .. no more than *8 kV
4 kV cable .. no more than *2 kV
Leakage current at test voltage, [A] .. no more than 0.5 * ***5
DC test voltage when checking cables operated in wells, [kV] .. no
more than *2
Cables are designed for operation in wellbore fluid containing
oil, as well as water and gas, with the following indicators:
Water content - up to **0%.
The pH of the associated water is pH 5.*8.5.
A short-term (up to 6 hours) decrease in pH is allowed - to 0.
Hydrogen sulfide concentration,% (g / l), no more:
- 0.**1 (0.*1) - for cables with armor made of galvanized steel
tape;
- 0.**5 (1.*5) - for cables with armor made of stainless steel
corrosion-resistant tape.
Hydrostatic pressure - no more than *0 MPa.
Gas factor in the environment - no restrictions.
Cable installation requirements:
The ascent of the cable from the well and the descent should be
carried out smoothly, at a speed of no more than 0.*5 m / s. When
passing sections of the well pipe string with a curvature of more
than 1.5 ° by *0 m and transition points to a smaller diameter, the
lifting and lowering speed should not be more than 0.1 m / s. When
fastening to tubing and screwing pipes, twisting of the cable
around them, as well as twisting of a flat cable relative to its
own axis, is not allowed. To reduce the shrinkage of the ends of
the insulation, in order to improve the quality of the splices, it
is recommended to heat the ends.
PRODUCT ADVANTAGES
Reducing weight
Lower cost
Increased flexibility
Increased wear resistance
The shield retains its shape
Flame retardant
Double bandwidth
