The state-owned Indian giant earlier this year took the final investment decision on the project, and has since set the tender ball rolling for several key contracts.
First gas is expected by June 2019, with crude production likely to start by March 2020.
One industry source says there is a “sense of urgency” within ONGC and India’s Petroleum Ministry to meet the completion deadline, which could help compensate for the dwindling hydrocarbon production from the company’s maturing west coast fields.
