Petrobras Dominates Global CO2 Storage with Record-Breaking Reinjection

Petrobras, Brazil’s state-owned oil giant, reinjected 14.2 million metric tons of CO2 into the Santos Basin in 2024, the Global CCS Institute reports.

This feat secures 28% of the world’s CO2 storage capacity, spotlighting a remarkable tale of innovation beneath the Atlantic’s ultra-deep waters. The Santos Basin, 300 kilometers southeast of São Paulo, holds pre-salt reservoirs rich in oil and CO2-heavy gas.

Petrobras captures this CO2, reinjects it to boost oil recovery, and slashes emissions. In 2023, the company reinjected 13 million metric tons, pushing the 2008-2024 total to 67.9 million metric tons.

Twenty-two floating platforms operate in these depths, handling CO2 separation and reinjection at scales unmatched globally. This technology enhances oil output while curbing emissions, producing crude with just 12 kilograms of CO2 per barrel—well below the global average of 17 kilograms.

Director Renata Baruzzi credits this edge to merging carbon capture with advanced recovery methods. The story began in 2008, when Petrobras tackled the basin’s high CO2 content as an asset, not a burden.

By 2025, the company targets 80 million metric tons reinjected, says sustainability head Maurício Tolmasquim, as new units come online. This ambition reflects Brazil’s broader push to cut emissions by up to 38.9% from 2010 levels.

Petrobras Pioneers CO2 Storage Amid Challenges

Offshore, Petrobras pioneers innovations like seabed CO2 separation, trimming costs and emissions further. Onshore, a pilot hub in Rio de Janeiro aims to capture 100,000 metric tons yearly, hinting at future industrial decarbonization.

Yet, challenges persist—high costs and regulatory gaps test the model’s scalability. The Santos Basin could store 266 million metric tons over 20 years while yielding 5.7 billion barrels of oil.

This dual role fuels Brazil’s economy, a top CO2 emitter in South America, balancing profit with climate goals. Critics note that more oil means more downstream emissions, muddying the net impact.

Petrobras leads the world in ultra-deepwater carbon storage, a practical fix for an oil-reliant nation. The figures—14.2 million metric tons in 2024, 80 million by 2025—reveal a gritty, ongoing effort to reconcile energy demands with a warming planet.

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