The announcement comes as the UK-based energy giant refocuses its business on fossil fuels.

Company renews focus on fossil fuels and believes Santos basin could be its largest find since 1999

FTSE 100 giant claims find off Brazilian coast is its biggest in quarter of a century

The announcement comes as the UK-based energy giant refocuses its business on fossil fuels.

Amid a pivot back to its fossil fuel roots and away from renewable energy, Britain's BP said it had made its largest oil and gas discovery in 25 years.