He made the remarks in an interview with Shana on the sidelines of a ceremony held for inking a Memorandum Of Understanding between National Iranian Gas Company and Gazprom on Tuesday.
The world could not talk with Iran and Russia by the language of sanctions, the official added.
He said that Russia's Gazprom Company is ready to participate in Iran's gas projects through multilateral cooperation with other international companies including the Dutch and French companies.
Gazprom is interested to cooperate with Iran in the gas value chain from its start till the end, Medvedev noted.
He said Gazprom is interested in working with Iran in discovery of gas, gas production, LNG production, and delivery of gas through pipeline to other countries including India.
The official urged paying attention to both companies' interests in inking the deals, adding that Gazprom is ready to cooperate with Iran in the study phase of the gas projects.
Gazprom cooperates with other giant international companies including Shell and Total in other countries and it is ready to join multilateral deals with Iranian National Gas Company and other international companies, Medvedev noted.
He said that Gazprom is ready to help NIGC in gas storage both inside Iran and outside the countries.
NIGC and Gazprom expert teams will start their work in the coming months, Medvedev added.
He said that formulation of rules and construction of gas refineries are other areas for cooperation between NIGC and Gazprom.