The Hindu Business Line : ONGC strikes gas reserve in KG basin block

According to sources, the test reports of the first well in KG basin confirmed a 30-metre gas pay zone at a depth of 5,300 metres in the seabed. In layman's terms, the oil potential is pegged at close to 21 trillion cubic feet.

According to sources, the reserve size may increase further as seismic studies of the well indicate presence of another 80 metre gas pay zone at a depth of 6,450 metres. "If every thing proves correct it would be India's largest gas discovery with reserve size moving up to 25 tcf (trillion cubic feet)," said a company official. "We have already carried out relevant tests on one horizon. We are yet to drill and carry out the same in four or five more targets in the block following which we will be in a position to estimate the correct size of the reserve," the official said. "We are expecting to drill the residual targets and test the results latest by next month," he added.

Commercial interest

Asked whether the company has already informed the Directorate General of Hydrocarbons, sources said a DGH team was already there.

The DGH, Mr V.K. Sibal, said: "ONGC has made a discovery which has commercial interest, but it is only after appraisal that we would know the potential of the find.''

Mahanadi reserve

In addition to the KG basin strike, logging reports from the MN-OSN-2000/2 block suggest that the company has struck a small gas reserve in the Mahanadi basin opening up opportunities of future strikes in the block.

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