TotalEnergies And Partners To Test Subsea CO2 Capture Technology In Brazil

Energy Consortium To Test Subsea CO2 Capture Technology In Brazil - Carbon Herald

A consortium comprising Brazilian, British, French, and Chinese energy companies is set to trial innovative technology to capture carbon dioxide (CO2) in an subsea oilfield off the coast of Brazil, according to French major TotalEnergies (EPA: TTE).

The pilot unit will employ high-pressure subsea separation (HISEP) technology to separate oil from CO2-rich natural gas at the ocean floor, with the captured gas reinjected directly into the reservoir, TotalEnergies said in a statement earlier this week.

The technology will undergo testing in the Mero field operated by Brazil’s Petrobras (BVMF: PETR4) with a 38.6% stake in collaboration with TotalEnergies and Shell Brasil which hold 19.3% each, China National Offshore Oil Corporation (CNOOC) and China National Petroleum Corporation (CNPC) with 9.65% each, and Pré-Sal Petróleo (PPSA) with 3.5%.

As part of the Libra Consortium’s ongoing research and development (R&D) initiatives, the subsea separation unit will be connected to the Marechal Duque de Caxias floating production storage and offloading (FPSO), known as Mero 3 project, presently in the construction phase.

TotalEnergies asserts that HISEP has the potential to reduce greenhouse gas (GHG) emissions while simultaneously increasing field production capacity.

Relevant: TotalEnergies Installs Carbon Capture System On LNG Carrier

This initiative aligns with global efforts to adopt carbon capture and storage (CCS) technologies, a strategy embraced by energy firms and oil-producing nations to mitigate emissions.

Critics, however, argue that such technologies may inadvertently prolong dependence on fossil fuels, contributing to climate change.

Situated in the Santos basin at a depth of 2,100 m (6,900 ft) under a thick layer of salt, its reserves are estimated to range from eight to 12 billion barrels of crude, as per Brazil’s National Petroleum Agency.

The global community, as demonstrated by agreements at the UN’s COP28 climate summit in Dubai, aims to transition away from fossil fuels while accelerating the deployment of renewable energy and carbon capture technologies.

Read more: Brazil Edges Closer To Pioneering CCS Legislation In South America

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