Oil companies Total and Eni have both blamed profit falls on the conflict in Libya disrupting their production in the north African country.
France's Total saw its net profit decline 12% to 2.73bn euros ($3.89bn; £2.4bn) in the three months to 30 June.
France's Total saw its net profit decline 12% to 2.73bn euros ($3.89bn; £2.4bn) in the three months to 30 June.