Gazprom, Iran's NIOC Sign Memorandum on Gas Cooperation Posted by Michelle Howard March 28, 2017 Russian top gas producer Gazprom and National Iranian Oil Company (NIOC) signed a memorandum on cooperation in the gas sphere on Tuesday. The memorandum was signed in the Kremlin when Iranian President Hassan Rouhani met his Russian counterpart Vladimir Putin. (Reporting by Denis Pinchuk) Email