Oil & Natural Gas Corporation Limited has informed the Exchange about Gas Release Incident at ONGC Rudrasagar field: Situation under control

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Price reactionminutes from the announcement price · days from the prior close

+1.5%Reaction day

₹247.35

prior close

₹255.55

announcement price

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Nifty 100market · index membership as recorded later (tracked since Jun 2026)-0.7%+2.2% vs market

Oil peers, median of 14sector · industry level+1.2%+0.3% vs sector

On the reaction day the stock moved 2.2 pts more than Nifty 100 and 0.3 pts more than its Oil peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark

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Reaction day

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Next day

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AI summary

ONGC reported a gas release incident at Well No. RDS-147 in its Rudrasagar Field in Sivasagar district, Assam, during routine servicing operations on 12 June 2025 at around 11:45 AM. The company activated its standard safety protocols immediately, and an emergency response team reached the site quickly. Importantly, there was no fire and no injuries to any personnel, and the situation is now fully under control. Technical specialists and reinforcement teams are being mobilised to safely restore normal well operations. A detailed investigation has been launched to determine the root cause of the incident.

Likely market impact

This is a minor operational safety incident with no fire, injuries, or production shutdown reported, so the near-term impact on ONGC's stock or output is likely limited. However, investors should watch the investigation outcome and any potential regulatory follow-up that could affect Rudrasagar field operations.