"China National Petroleum Corp (CNPC) has replaced Total of France with a 80.1 percent stake in the phase 11 of the South Pars [gas field]," the head of investment of Iran's state oil firm NIOC, Mohammad Mostafavi, said, as quoted by Iranian state news agency IRNA.
There was no immediate confirmation of the report by China's energy major.
READ MORE: IEA Says Oil Supply May Be 'Very Challenging' to Keep Up After US Sanctions Iran
This week, the first batch of US sanctions against Iran, previously lifted under the 2015 nuclear deal, came into effect. The implementation of the US restrictive measures against Tehran prompted large European companies, such as France’s oil major Total and its carmaker Renault to suspend plans to invest in Iran, opening up opportunities for Tehran's Eastern partners, such as China, India and Russia.
Trump made a decision to withdraw from the aforementioned nuclear agreement with Iran in early May, vowing to reimpose sanctions, including those barring other countries from doing business with Iran.