Current Status of Brazil’s New Energy and Green Low-carbon Practices in Deep-water Oil Fields

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Abstract Brazil possesses abundant new energy resources such as solar energy, wind energy, and biomass energy, and is at the forefront of the world in the development and utilization of new energy, becoming a pioneer in energy transition and low-carbon development. Renewable energy accounts for nearly half of Brazil’s primary energy consumption, with the share in the power sector exceeding 75%. Brazil has achieved its carbon peak and is still actively promoting carbon and emission further reduction and the development of new energy. Brazil’s onshore wind power technology and market are mature, and the potential for offshore wind power is enormous, but it has not yet been commercially developed. Solar photovoltaic growth is rapid, and distributed photovoltaics has become mainstream. Biomass energy production and technology are world-leading and undergoing upgrades. The prospects for the hydrogen energy industry are broad, and it will develop in coordination with offshore wind power. Brazil is actively promoting new energy policies and the concept of green and low-carbon development in various sectors, with green development of offshore oil fields emerging as a new benchmark for low-carbon development in the deep-water oil and gas industry. Deep-water oil fields are concentrated in the southeastern seas of Brazil, featuring vast reserves and production scales. They are primarily developed using the FPSO+subsea production system method. This development approach incorporates the separation and reinjection of associated CO2 through CCUS-EOR, fully utilizing the matured WAG technique during the process. Additionally, there is active ongoing research and development in new technologies and equipment, such as AMS, CMS, and HISEP. Carbon emissions during FPSO operations are primarily reduced by replacing diesel with natural gas and enhancing fuel gas efficiency. At the same time, Brazil is also actively developing new energy sources such as offshore wind power, while simultaneously digitalizing and enhancing the intelligence of the oil fields. These efforts aim to achieve the electrification and decarbonization of deep-water oil fields.

Published: 13 January 2025

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