Oil India Discovers Natural Gas Off Andaman Islands
Oil India Limited (OIL) has reported natural gas discovery off the Andaman Islands. This is the first confirmed hydrocarbon find in the region’s shallow offshore block. The discovery may mark a new chapter in India’s energy exploration efforts, potentially reducing its heavy dependence on imports.
Recent Discovery and Testing
OIL’s exploratory well, Vijayapuram-2, located about 17 km from the Andaman shoreline, encountered natural gas at a depth of around 2,212-2,250 metres under 295 metres of water. Initial production tests showed intermittent gas inflow. Gas samples tested contained 87% methane, confirming the presence of natural gas. Further isotope studies are underway to understand the origin of the gas.
Exploration Context in Andaman Region
The Andaman Sea has long been a target for hydrocarbon exploration due to its geological similarities with proven gas-rich belts extending from Myanmar to Indonesia. Both OIL and Oil and Natural Gas Corporation (ONGC) have been active in probing these offshore blocks under the Open Acreage Licensing Policy (OALP). Prior to this, no confirmed hydrocarbon discoveries had been made in the shallow offshore areas of the Andaman basin.
Strategic Importance of the Find
India imports about 88% of its oil and 50% of its natural gas. Discoveries like this could help reduce import dependence and enhance energy security. The Andaman basin’s potential has been compared to the Guyana oil fields, suggesting large-scale reserves might exist. Successful commercialisation could transform India’s eastern offshore energy landscape.
Future Exploration and Development Plans
OIL plans further testing of higher prospects in the block to assess the extent and commercial viability of the gas pool. The discovery will guide future exploration strategies in the region. ONGC’s ongoing ultra-deepwater drilling nearby may complement these findings. Confirmation of substantial reserves will be crucial for investment and infrastructure development.
Geological and Environmental Factors
The Andaman basin lies in a complex tectonic setting between the Indian and Burmese plates. Its geology suggests potential hydrocarbon migration pathways. Offshore drilling at such depths requires advanced technology and strict environmental safeguards. The region’s ecological sensitivity demands careful management of exploration activities.
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