New Delhi: Oil and Natural Gas Corporation (ONGC) has made a big oil discovery in the D1 oilfield off the West Coast, which will help the firm to step up its oil production.
The currently producing oilfield D1 is situated about 200 km west of Mumbai city in Deep Continental Shelf at a water depth of 85 to 90 metres. The field has a production of 12,500 barrels per day (bpd), with an approved peak output of 36,000 bpd. After the discovery of the new pool, the peak output is expected to reach 60,000 bpd or three million tonnes a year.
The latest discovery "will catapult D1 to become the third largest field in western offshore after prolific Mumbai High and Heera," as per an ONGC statement.
ONGC is implementing an integrated development plan for the entire D1 field, which would help raise the output to 36,000 bpd by February 2013.
"Earlier, the D1 was known to have initial oil in-place (or in place reserves) to the order of 600 million barrels (82.20 million tonnes of oil equivalent). After the discovery of the new pool, its total in-place reserves are expected to be in excess of one billion barrels," according to the ONGC statement.
The first well in D1-4 block was drilled in 1976 but the low gas to oil ratio led to a slow pace of exploration and appraisal of the field. After completion of Phase-II, the field achieved a peak oil production of 17,500 bpd in 2009.
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