Oil

Van Beurden said forecasting oil prices in the short term was ".very difficult.". but he still expected gains.

Iran also plans to introduce its new heavy crude grade from the West Karoun oil field as soon as six months from now.

IOOC is working on most of Iran'.s oil platforms. adding that since about two years ago.

Iran was also treated preferentially in the original negotiations.

OPEC members Libya and Nigeria have been exempted from supply curbs as their oil industries recover from years of unrest.

NIOC has informed buyers in Asia that it could reduce condensate exports in October because of the maintenance at South Pars. industry sources have said.

The Permian is the powerhouse (of U.S. crude output growth).

The world economy is ``almost as good as it gets.`` with one of the best performances since the global financial crisis of 2008-09.

Iran Heavy. one of the country'.s main export grades. settled at $51.60 a barrel. up 91 cents from the previous week.

India. China. the Nakhchivan Autonomous Republic. Armenia. Pakistan. Afghanistan and Sri Lanka also buy Iranian petroleum derivatives.