Before the agreement was signed, Gazprom CEO Alexey Miller said that the Turkish Stream project agreement envisioned the construct

Before the agreement was signed, Gazprom CEO Alexey Miller said that the Turkish Stream project agreement envisioned the construction of two pipeline branches, each with a capacity of 15.75 billion cubic meters (bcm).
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The first branch will supply gas directly to Turkey, while the second is to be used to deliver gas to European countries through Turkey, he explained.