In a speech on Iranian state television, he said the two countries have discussed five options for gas transmission, and hope to finalized a deal within five months.
He added that an Iranian company had been chosen to draft tender documents for the offshore pipeline.
Iran gas supplies will be short of 40 bcm (1.4 tcf) of this year, Zanganeh continued, blaming delays in the operation of different development phases of the South Pars gas field in the Persian Gulf.
