August 29, 2011. ONGC is likely to start oil and gas production from Krishna-Godavari basin field GS-15, off the Andhra coast, next month. While production from some oil wells in the GS-15 field is set to commence from September, ONGC has also drawn up plans to initiate production from its G-1 marginal field in the KG Basin from July, 2012. ONGC has asked the Petroleum Ministry to identify users for the gas and approve a price of $ 4.75 per million British thermal units. About 0.19 million standard cubic metres per day of gas would be available for sale from September. The gas availability would go up to 1.52 mmscmd from July next year and to 1.72 mmscmd in 2013-14.