Until this new report, Shell ranked among a select group of international oil companies that reportedly ceased delivering refined petroleum to Iran, in what appeared to be a nod to the international effort to isolate the regime.

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The Kazakh government announced Monday that it was suspending operations at its Kashagan oilfield for three months because Eni, the leader of a group of oil companies including ExxonMobil, Total, Royal Dutch Shell and CononoPhillips, which have stakes in the offshore project, had violated environmental regulations.

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