Brazil’s pre-salt gas blighted by high CO2 content10 February 2017
Gas production from Brazil’s pre-salt layer, which is home to some of the world’s largest fields, has been a success story. Output has grown from 12.1 million cubic metres per day (MMcm/d) in December 2013, representing 15% of Brazil’s overall gas output, to 49.0 MMcm/d in December 2016, or 44% of Brazil’s gas output.
However, huge volumes of pre-salt gas are not making it to market. Brazil reinjected 30.3 MMcm/d in the first 11 months of 2016, around half of which was off the coast of Rio de Janeiro – the nucleus of the country’s pre-salt sector. Pipeline infrastructure to bring the gas to market is lacking, but Brazilian authorities are also concerned by the high levels of carbon dioxide in the pre-salt gas.
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