As we extract fossil fuels from places that where unreachable in the past the continuous need of adjustments to the natural factors has a great impact on this industry. From water pressure, salinity, oil and chemical agents to explosion hazard and 24/7 exploitation, the cables have a diversity of designs. The materials used in the construction can be from simple PVC to the most complex compounds of rubber or fire resistance. Usually the cables must be protected by armor or guarded against interferences through shields.
The need for current supply in various processes involves cables as medium voltage, instrumentation, control and data, signal and many more.