Cairn India Ltd has informed BSE that Cairn Energy India Pty Ltd (CEIPL), a wholly owned subsidiary of Cairn India Ltd, has notified the Directorate General of Hydrocarbons (DGH) of a discovery of oil and gas in the Nagayalanka-1 well, located in the onshore block KG-ONN-2003/1.
The block is situated in the Krishna-Godavari basin and was awarded under NELP V bidding round. CEIPL, the operator of the block, has a 49 per cent participating interest in the block and ONGC holds the balance 51 per cent participating interest.
The well encountered a 200 metre thick section of tight sandstones with low porosity and permeability. Cased hole Drill Stem Tests (DSTs) were attempted in two zones. No flow to surface was achieved in DST-I zone in the Interval 4147.5m- 4216.6m. A flow of 75 barrels per day of oil and 0.27 million cubic feet per day of gas was achieved during DST-2 in the interval 4055m- 4071m.
The well and test results are being evaluated to assess the commercial potential of the discovery and to determine the future appraisal programme, said a company announcement.
