An Iranian worker walks along of the phase 15-16 of the South Pars gas field facilities in the southern Iranian port of Assaluyeh on the shore of the Gulf (file). Around 40% of the South Pars gas field capacity damaged during the war is back in production, Iran's Deputy Oil Minister Ahmed Zeraatkar said on Thursday, according to Fars news agency, reports Reuters. South Pars is the world's largest offshore natural gas field. Meanwhile, Iran's oil sales and deliveries in "distant waters" continue despite reduction, Iran's Oil Minister Mohsen Paknejad said on Thursday according to state media.