A Chemical engineer from Jadavpur University of Kolkata, Sengupta was group general manager and chief of well services in Oil and Natural Gas Corp (ONGC) before being selected for the board position.
Sengupta took over as Director (Offshore) on Saturday, a company statement said here.
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Besides having stints in Gujarat and Assam, he was also General Manager of the company's Sudan project for four years.
"Of his 18 years in offshore fields off Mumbai, he served for 12 years in Mumbai High, successfully handling a number of production-enhancement assignments," it said.
He was instrumental in improving performances of offshore wells where water ingress had either shut them or led to decline in output. On his new assignment, Sengupta said his effort would be to augment productivity from ONGC's offshore assets.