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Modi dedicates deep-water development to nation

Project expected to boost India's plan to increase gas in its energy mix

Indian Prime Minister Narendra Modi on Sunday dedicated Oil & Natural Gas Corporation’s (ONGC’s) S1 and Vashishta deep-water development project in the Krishna-Godavari basin to the nation.

The S1 and Vashishta project in Andhra Pradesh is expected to give a boost to the nation’s plan to increase the share of gas in its energy mix and is the country’s first deep-water project that has been commissioned on the east coast.

“First of the tough deep-sea forays of ONGC, in the promising eastern offshore has been successfully overcome with completion of S1- Vasishta development project built at the cost of about 5700 crore Indian rupees ( $880 million),” a statement by ONGC said.

The S1 and Vashishta project is also thought to be of strategic importance, as India aims to reduce its oil imports by 10% in another three years.

The S1 and Vashishta fields are gas fields located about 35 kilometres off Amalapuram, near the state of Andhra Pradesh.

The deep-water fields lie in water depths ranging between 300 metres to 700 metres.

In-place reserves for the two gas fields is estimated to be about 19.6 billion cubic metres of gas that would be produced through four wells, connected through 14-inch dual pipelines.

The S1 and Vashishta fields are presently producing about 4 million cubic metres of gas per day that is expected to be further scaled up.

The onshore terminal at Odalarevu has capacity to process 6 MMcmd of gas from the S1 and Vashishta fields, with a provision to expand up to 10 MMcmd.

Integrated development of the S1 and Vashishta 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-inch pipelines and umbilicals and other associated subsea structures, the ONGC statement added.

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