"Carbon pricing has been the most difficult for us," Eldar Saetre, Chief Executive of Norway's Statoil told journalists in Paris.

"The world itself is not united on carbon pricing. We thought the right thing to do was not to take a common position as a group," said BP Chief Executive Bob Dudley.

The executives met in the French capital to present a common position and proposals for the climate summit where some 200 nations are expected to reach an agreement on limiting global warming.

(This story corrects CEO quoted in Paragraph 2)

(Reporting by Bate Felix and Ron Bousso, editing by Astrid Wendlandt)

Stocks treated in this article : Total, Eni SpA, Statoil ASA, BG Group plc, BP plc