By
The BBC, without citing sources, said Ineos believes shale gas will transform the economics of its Grangemouth refinery and petrochemical plant in Scotland, which was at the centre of a bitter industrial dispute last year.
Ineos declined to comment ahead of a press conference later in the day.
In September, the Swiss-based group acquired a stake in a shale oil and gas licence in Scotland, and Britain's energy ministry said it planned to pay a share of revenues from any production to landowners and communities.