Drilling Rig Sagar Uday, was operating at NS platform in Mumbai High North on well number NSBX for side-tracking. The depth reached is around 1183 metres.

On 19th July 2014 early morning, gas flow was observed from the outermost casing annulus.
The Operation has been stopped for safety reasons. Forty eight persons have been evacuated to nearby installations.

Five vessels including two Multi Support Vessels (MSVs) are on the location for any immediate support.

Crisis Management Team (CMT) of ONGC is on site. The preparation of plugging the leak is in progress.

International expert from Boots & Coots has been mobilised.

About ONGC

ONGC’s market capitalisation as on 11th October, 2013, was INR 2366 billion (US$ 38.7 billion). It is the highest valued and the highest profit making Government of India enterprise. In the financial year ended 31 March 2013, ONGC Group had produced 58.7 million tonne of oil and oil equivalent gas (mmtoe) (approx. 1.2 mmboe per day), Turnover of INR 165,849 Crore (US$ 30.45 billion) and profit after tax of INR 24,220 Crore (US$ 4.44 billion). ONGC Group had total oil and gas reserves of 1,759 mmtoe as on 31 March 2013.