State-run Oil and Natural Gas Corporation (ONGC) has successfully struck gas in the deep waters of the Mahanadi Basin, a landmark achievement under the government's 'Samudra Manthan' initiative aimed at boosting domestic hydrocarbon production. The discovery, made at the MDW-28 well, is seen as a crucial step towards enhancing India's energy independence.
Details of the Mahanadi Gas Discovery
The MDW-28 well, the inaugural well in ONGC's current deepwater campaign in the Mahanadi Basin, began drilling on July 25, 2026. Testing of the gas-bearing section commenced on September 18, 2026. According to ONGC Director OP Sinha, the well is currently flowing gas at an encouraging rate of approximately 2.25 million standard cubic meters per day (MMSCMD) with sustained reservoir pressure. Sinha noted that testing is still ongoing, but initial results are highly satisfactory.
While the Mahanadi Basin is estimated to hold vast resources—around 600 million tonnes of oil equivalent—Sinha clarified that this figure represents a resource estimate, not proven reserves. The exact commercial potential will become clearer as further exploration and appraisal work progresses.
Implications for India's LNG Imports
India currently imports nearly 50% of its natural gas requirements. Between April and July 2026, the country consumed 22,958 MMSCM of natural gas, with 11,867 MMSCM (51.7%) sourced from imported Liquefied Natural Gas (LNG). The 2.25 MMSCMD flow rate from the MDW-28 well, if sustained commercially, would account for roughly 1.2% of India's current daily gas consumption and about 2.3% of its daily LNG import needs, based on the aforementioned figures.
This domestic deepwater discovery is therefore highly significant for India's goal of reducing its import dependence. Petroleum and Natural Gas Minister Hardeep Singh Puri highlighted the discovery as a major milestone, emphasizing its role in unlocking new domestic energy sources through the 'Samudra Manthan' initiative, which was approved by the Union Cabinet on July 31, 2026.
Driving India's Energy Mix Towards 2030
ONGC Director OP Sinha reiterated India's ambitious target to increase the share of natural gas in its energy mix from the current 6-7% to 15% by 2030. He stressed that this new gas find, along with planned future exploration, will play a vital role in achieving this strategic objective. The Minister also suggested that this discovery, combined with other local finds, could facilitate cluster development through shared facilities under the PNG Rules, 2025.
The 'Samudra Manthan' program underscores India's commitment to exploring deep and ultra-deepwater frontiers for hydrocarbons, with ONGC at the forefront of these crucial national energy security efforts.