Specifications - Blue Stream Natural Gas Pipeline, Russia/Turkey

Key Data
Operator	Gazprom/Eni
Contract	565 billion cubic feet per year
EPCI contractor	Saipem
Pipeline cost	US$3.4 billion
Capacity	16 billion cubic metres
Sections	Izobilnoye to Dzhugba (222 miles), Dzhugba to Samsun across the Black Sea (235 miles), Samsun to Ankara (300 miles)
Pipeline	Twin 24in OD steel lines
Wall thickness	31.8mm
Line distance	5m and 100m
Vessel	Castoro Otto (shallow water up to 380m), Saipem 7000 (deep water up to 2,150m)
Joint length	48.8m
Buckle arrestors	17km of 652mm OD by 52.7mm
Bracelet anodes	10,438 from the UK, 15, 032 from Singapore
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