"The document is almost ready, only a few details are left. We expect that it will be signed within the framework of the World Energy Congress. We are talking about two segments (of the pipeline)," Novak was quoted by Reuters as saying on the sidelines of the summit in Istanbul.

Novak said the issue of a gas price discount for Turkey's Botas was not linked to the construction of the so-called TurkStream project to develop a gas export pipeline running across the Black Sea with landfall in Turkey for onward transit via Greece to Southern Europe.

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