The longest offshore gas pipeline in the world is the Nord Stream pipeline, which runs from Russian Vyborg to German Lubmin along the bottom of the Baltic sea. Its total length is 1224 km. A new Nord Stream-2 export gas pipeline is also under construction, running from the Russian Ust-Luga to the German Greifswald along the Baltic sea floor, which is an extension of the Nord Stream pipeline. Its planned total length is 1220 km. In total, the total length of the two branches of the pipeline will be 2400 km. The capacity of the Nord Stream pipeline and the planned capacity of Nord Stream-2 is 55 billion cubic meters of gas per year, a total of 110 billion cubic meters of gas per year. The maximum depth of the sea at the Nord Stream pipeline route is 210 m.
Laying of the offshore section of the Nord Stream-2 gas pipeline.
Note: Information is gathered from open web sources