Mumbai High Field Bombay High is an offshore oilfield on the Arab Sea, some 160 kilometres west of the Mumbai Coast, India. Bombay High is an offshore oilfi eld on the Arab Sea, about 160 kilometres west of the Mumbai Coast, India. The field, which was founded in 1974, began production by the Oil and Natural Gas Corporation in 1976. (ONGC). The petroleum field includes two blocks, the High North of Mumbai and the High South Mumbai blocks (MHS). The blocks are divided on the basis of shallow barriers which help to exploit the reserves independently in both locations. Mumbai High currently stores 1,659 million tonnes of oil (MMt) and produces about 12 Mt per year. For the second phase of the MHN Redevelopment scheme, approval was given by the ONGC Board in January 2009, followed by the third in June 2014. Info on the Mumbai High Field discovery When mapping the Gulf of Cambay between 1964 and 1967, a Russian and Indian team from the seismic exploration vessel Academic Arkhangelsky ...