India’s Hydrocarbon Outlook 2024 40 A Report on Exploration & Production Activities an opportunity for rimexploration of Carbonates of Bassein, Alibag, Mukta Formation; Panna plays in Deep Continental Shelf (DCS) and Paleocene-to-Miocene plays in North & NorthDiscoveries and Development: 2 discoveries were notified during the year under OALP regime in Shallowwater. 3 field development plans were reviewed during the year under DSF(2) and NELP(1) regime in Shallow water. Source: DGH Internal Source: DGH Internal Western part of Mumbai High due to potential source charging from within Saurashtra Low. In the basin, 7 thermogenic plays are identified within Basement and Tertiary. Besides, 3 biogenic plays are established in Late Miocene and Miocene,Pliocene and Pleistocene-Recent sequences. Petroleum system was modelled in 3D basis adequate datasets. Mumbai Offshore basin has a total hydrocarbon inplace of 7,171 MMTOE. This includes discovered inplace of 4,795 MMTOE and undiscovered risked inplace of 2,376 MMTOE. The discovered in-place is under commercial production. The basin has 33.1% of total inplace, potential to be explored and discovered. Hydrocarbon prospectivity and Basin maturity: Overview of producing fields: Commercial production in Shallow water sub-basin commenced in 1976. Major producing fields with cumulative production in parenthesis are namely Mumbai High (534 MMT, 191 BCM), Neelam & Heera (123 MMT, 0.096 BCM), Bassein & Satellite (103 MMT, 368 BCM) The sub-basin has 26 fields with 1,742 wells. The maximum flow rates achieved by any field on record in 2023-24 are, Oil 130,000 BOPD and Gas 10 MMSCMD. Basin datasets, studies and opportunities: As of 31.03.2024, NDR has archived data of 805,764 LKM 2D seismic, 208,050 SKM 3D seismic and 4,787 wells. Under various campaigns by GoI, geophysical data were acquired in offshore area. The basin was part of 46,453 LKM West Coast EEZ 2D seismic survey.
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