Edinburgh-based Bowleven said a well drilled to appraise the existing IM find had encountered what appeared to be a good quality reservoir nearby.
"Initial indications ... suggests the presence of liquids rich hydrocarbons," said Bowleven.
SHARES in Bowleven rose 7% after the oil and gas company said it had made a potentially significant discovery off Cameroon in West Africa.
Edinburgh-based Bowleven said a well drilled to appraise the existing IM find had encountered what appeared to be a good quality reservoir nearby.
"Initial indications ... suggests the presence of liquids rich hydrocarbons," said Bowleven.
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