Modi dedicates ONGC’s key east coast project S1 Vasishta to nation

Prime Minister Narendra Modi dedicated the public sector Oil and Natural Gas Corporation's (ONGC) S1 Vasishta Development Project to the nation at Guntur in Andhra Pradesh on Sunday.
Andhra Pradesh and Telangana Governor E S L Narasimhan and Union Minister of Commerce & Industry and Civil Aviation Suresh Prabhu were amongst those present on the occasion.
S1-Vasishta Development Project is the first of the tough deep-sea forays of ONGC, in the promising eastern offshore, and has been built at a cost of about Rs. 5700 crore ($ 880 million), a press release from the company said.
S1 and Vashista fields are free gas fields located 30-35 km off Amalapuram, Andhra Pradesh in water depths ranging from 300-700 meters with in-place reserves of estimated 19.692 BCM of gas to be realized through four wells, connected through dual 14” pipelines tied back to onshore terminal at Odalarevu in coastal Andhra Pradesh. 
The terminal has capacity to process 6 MMSCMD gas with a provision for expansion up to 10 MMSCMD.
The integrated development of S1 Vasishta fields included building of gas processing facilities at onshore terminal, drilling and completion of four deep water wells, engineering, procurement, installation and commissioning of dual 14” pipelines and umbilicals and other associated subsea structures to transport the gas from the ocean floor to the Onshore Terminal at Odalarevu. 
Connecting subsea deep-water gas wells to onshore terminal through a network of underwater pipelines and control umbilical had been one of the most strenuous tasks. About 86 km of 14” pipelines were installed on seabed in offshore and about 8 km on land, the release said.
Presently, about 4 million cubic meters of gas per day is produced from S1 Vasishta fields which could be further raised, it added.

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