Trans-Caspian Gas Pipeline
The Trans-Caspian Gas Pipeline (Azerbaijani: Transxəzər boru xətti, Turkmen: Transhazar turbaly geçiriji) is a proposed subsea pipeline between Türkmenbaşy in Turkmenistan, and Baku in Azerbaijan. According to some proposals it would also include a connection between the Tengiz Field in Kazakhstan, the Sangachal Terminal in Baku, and Türkmenbaşy.
Source: Wikipedia — Trans-Caspian Gas Pipeline (CC BY-SA 4.0)