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ONGC commences II phase of redevelopment of Mumbai High South

By Staff
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Google Oneindia News

Mumbai, Apr 19 (UNI) The Oil and Natural Gas Corporation (ONGC) today commenced drilling in the second phase of redevelopment of Mumbai High South, being taken up at a cost of Rs 6,339.20 crore and to be completed by 2012.

Briefing newsmen after launching the redevelopment process, ONGC Chairman R S Sharma said the redevelopment would enable ONGC enhance oil production from the Mumbai High South to 180,000 barrels per day from the current 150,000 barrels per day.

Subsequently, the production would stabilise at 1,70,000 barrels per day.

He said in the first phase of redevelopment undertaken at a cost of Rs 6,625.59 crore, the recovery percentage was increased to 29.3 per cent and after the second phase, it would further enhance to tough 32.7 per cent. The production would go up by an additional 20.7 million tonnes of crude and 3.32 billion cubic metres of gas, Mr Sharma added.

He said ONGC had estimated an investment of Rs 71,000 crore during the eleventh Five Year Plan, of which redevelopment of Mumbai High alone would be around Rs 11,000 crore. For the current fiscal, it had estimated an expenditure of Rs 11,000 crore.

The Phase-II is for the next phase of redevelopment of oil bearing sub layers of L-III reservoir of MH South field. Some existing poor producers would also be relocated through side tracks to undrained areas of the reservoir.

The Mumbai Field reached a peak production level of 4,00,000 barrels per day during 1984-85 and the same was maintained for about six years before the yield started tapering off to current levels of around 2,50,000 barrels per day.

Mr Sharma said the recovery improvement strategy would incorporate reduction of inter well spacing, improvement in water injection to improve aerial sweep and enhance liquid withdrawal through use of electrical submersible pumps and creation of additional processing capacity to handle the additional liquid produced through the scheme.

The plan involves installation of five new platforms and six clamp on structures. A total of 86 wells and five side track wells have been planned.

UNI VK NM BJR RAI1950

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