Thursday , June 13 2024

Specialist gains traction in oil, gas sector

Due to the large size and weight, this 9.5MW 11KV WEG electric motor has to be disassembled for shipment and reassembled on the offshore FPSO off the coast of Ghana.

Africa is “hungry for electricity”, and electrical specialist Zest WEG is seeing growing demand from the oil and gas sector, from both upstream and midstream facilities as nations on the continent look to these commodities to power their economies.

Zest WEG business development specialist Lukas Barnard says that, for the oil and gas sector in sub-Saharan Africa, the trend is towards gas production owing to its lower levels of greenhouse-gas emissions. At the same time, the oil sector remains a vital part of many African economies with WEG products and solutions being applied in both upstream and midstream facilities in countries such as South Africa, Botswana, Namibia, Mozambique, Gabon, Uganda, Ghana and Nigeria.

Barnard highlights that Zest WEG, as the fully owned subsidiary of the global WEG group, is responsible for sub-Saharan Africa and has developed a strategic focus on the oil and gas sectors in recent years. This has seen the company engaging with the sector in various southern, central and west African countries.

“Among the exciting projects we are involved in is an oil and gas refinery in Nigeria, where we have supplied two WEG medium voltage soft starters – an 8.4 MW 11 kV unit and a 2.1 MW 6.6 kV unit,” says Barnard.

He notes that compressors are critical in the refining process and explains that WEG soft starters will significantly reduce stress on the compressor at startup, which will improve the equipment’s mechanical life and equipment uptime for higher plant productivity. The soft starters will also reduce the startup current.

Following consultation with the customer to clarify certain technical elements of the scope of supply, both soft starters were custom designed and manufactured for this application.

In another project, Zest WEG has supplied eight large WEG motors in a phased contract to a floating production storage and offloading (FPSO) moveable platform off the coast of Ghana. These units are upgrades to previously installed WEG motors which had been operating successfully on this site for over a decade. Zest WEG is also involved in testing and installation of the motors.

“In Southern Africa, Zest WEG has recently supplied transformers, switchgear and containerised modular substations to an onshore natural gas and helium project in South Africa,” he says. “This is the country’s first and only helium producer with reportedly world-beating concentrations of helium.”

He highlights that there are exciting oil and hydrogen prospects in Namibia, while massive gas discoveries have been made in Mozambique – where WEG is already involved. Another prospect that bodes well for the sector is a significant crude oil resource at Lake Albert, in Uganda.

“It is important to stress that Zest WEG has considerable design and manufacturing capacity in South Africa which allows us to locally produce a range of equipment for both upstream and midstream operations in the oil and gas sector,” Barnard says. “This includes transformers, substations, low-voltage switchboards and generator sets.”

The company’s Africa footprint is supported by its value-added resellers in various countries, which are locally based firms operating close to customers, offering the highest levels of local support in each region including both service and technical capability.

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