Oil and Gas Cable Competence Centre

Our expertise in working on oil and gas filled cables

For over 130 years, NKT has played a pivotal role in the evolution of insulated power cables, from oil and gas filled cables to the now dominating XLPE cables. While nearly all new cables make use of extruded insulation systems, the legacy paper-lapped oil and gas-filled cables still form a vital part of power grids globally, requiring specific technical expertise. 
Recognizing the diminishing resources and know-how in the industry for these cables, NKT has established the Oil & Gas Cable Competence Centre (OGCCC). This center ensures the preservation and transfer of knowledge ranging from accessories and engineering of such systems to educating a dedicated pool of jointers in oil and gas-insulated cables. 
At NKT we see ourselves as a full-service-provider. Our work does not stop after a cable system has been installed. We also take care of maintenance and repairs so that cable systems are up and running for decades. In case your cable(s) exhibit damage, leakage or electrical breakdown, we will do our utmost to return your system to operation with no delay. Should your legacy cable systems reach the inevitable end-of-life we can also take care of their decommissioning.

Köln Niehl

Fault or Leak Location

Gas-pressure cables utilize high-pressure nitrogen to fill the cable pipe. Should nitrogen leak, a pressure drop will be observed; however, with the atmosphere consisting mostly of nitrogen the leak may not be an environmental concern but, the precise location of the leak is hard to find. Fortunately, NKT can help with locating the escaping gas acurately and reliably by filling a very volotile and easily detectable gas mixture into the pipe to allow for precise pinpointing of the fault.
Locating leaks from oil-filled cables can be somewhat more sensitive - not least because dielectric oil escaping into the environment is an environmental hazard. For decades finding oil cable leaks has been deemed time-consuming and costly, primarily relying on traditional freezing methods. At NKT, we understand the need for alternative, more efficient techniques to pinpoint damaged areas in such systems to minimize environmental impact by facilitating a swift repair. We introduce a paradigm shift with three complimentary approaches, minimizing both time and cost associated with oil leak pinpointing.

At NKT, we redefine efficiency in oil leak detection, ensuring a comprehensive and timely resolution to safeguard your cabling systems. Explore our breakthrough solutions and experience a new era in cable maintenance.

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Christian Kretzschmar

Manager Paper Cable Accessories, Leader Oil & Gas Cable Competence Center

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Operation & Maintenance

Rely on NKT for expert cable operation and maintenance, ensuring peak performance. Our technicians, proactive repair plans, and flexible agreements minimize downtime for robust network longevity.