According to the agreement, between 1.5 and 2 billion cubic meters of gas will be swapped annually, a volume which numerous subsequent reports said could quickly be increased, eurasianet.org wrote.
In mid-2022, Iranian Oil Minister Javad Owji announced the three partners had reached an agreement to double the volume of gas swaps.
Iran has been pushing ahead with its own plans to expand its gas transit infrastructure, with the apparent aim of boosting its capacity to transit gas between its neighbors.