ONGC to Cap Sivasagar Gas Leak Using Plan C; US Experts to Assist: Assam CM

Assam Chief Minister Himanta Biswa Sarma on Friday confirmed that ONGC will now proceed with Plan C to cap the uncontrolled gas leak at its Rig No. 147 in Bhatiapar, Sivasagar, after repeated failures under initial emergency strategies. A team of technical experts from the United States has arrived to support the operation, which is set to begin on Friday.

Addressing the press at the Media Hall of Lok Sewa Bhawan, Sarma detailed the step-by-step protocol ONGC follows during such industrial emergencies.

“ONGC and Oil India follow a four-stage emergency response—Plan A, B, C, and D. Initially, they try to plug the leak by injecting mud at the source (Plan A). If that doesn’t work, they place materials from the top to stop the pressure (Plan B). If both fail, they move to Plan C, which involves permanently capping the well using lead and other heavy materials,” Sarma said.

“At Baghjan, Plan A and B failed and they used Plan C successfully. In Sivasagar, ONGC tried A and B twice, but failed. Today morning, they informed us that they’re shifting to Plan C, and the capping will start tomorrow,” he added.

US Experts to Supervise High-Risk Capping Process

To ensure precision and safety, ONGC has brought in a team of international oil well control experts from the United States. The experts will supervise the capping operation, which is expected to involve high-pressure control systems and long-term sealing mechanisms to bring the leak under control.

Damage Assessment and Compensation

The Chief Minister also said that assessment of losses is currently being carried out by ONGC in coordination with the district administration, and compensation will be given to affected families and individuals.

“We are monitoring this situation 24x7. ONGC is identifying who has suffered how much loss, and compensation will be offered accordingly,” Sarma assured.

Echoes of Baghjan 

The incident bears a resemblance to the catastrophic Baghjan blowout of 2020 in Tinsukia, which caused massive ecological damage and displacement. However, this time, officials insist the response has been faster and more structured, thanks to past experience and better coordination.

“We’re working in continuous touch with ONGC and the Petroleum Ministry. Safety and resolution are our top priorities,” Sarma reiterated.

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