TEHRAN March 30(NIPNA)--Iranian Minister of Petroleum Bijan Namdar Zangeneh has said phases 15 through 18 of the supergiant South Pars gas field in the Persian Gulf waters will become partly operational by late September 2015, midyear in Iranian calendar, boosting feedstock supply to petrochemical plants located south of the country.

TEHRAN March 30 (NIPNA)--Iran will see its petrochemical output increase at least 10 million tons annually by the end of the current year which began on March 21, said National Petrochemical Company (NPC) chief.