India’s Hydrocarbon Outlook 2024 53 A Report on Exploration & Production Activities In the basin, 6 plays are identified within Eocene-to-Middle Miocene in East Andaman and Cretaceous-Tertiary in West Andaman. Petroleum system was modelled in 3D where datasets were adequate and Aerial Yield method was used where data were limited. Though biogenic system was envisaged, it was not modelled. Offshore East sub-basin has a total hydrocarbon inplace of 55 MMTOE. This includes discovered in-place of 2 MMTOE and undiscovered risked in-place of 53 MMTOE. The discovered in-place is subject to commercial development. The basin has 96.4% of total inplace, potential to be explored and discovered. Offshore West sub-basin has a total hydrocarbon inplace of 16 MMTOE and this is entirely undiscovered risked in-place. The basin has 100% of total inplace, potential to be explored and discovered. As of 31.03.2024, NDR has archived data of 484,374 LKM 2D seismic, 32,950 SKM 3D seismic and 22 wells. Under various campaigns by GoI, geophysical data were acquired, initially in onland basins and later, extended to offshore areas. Under National Seismic Programme (NSP), 264 LKM 2D seismic data were acquired. 22,564 LKM 2D seismic data were also acquired in Andaman basin under extended NSP into offshore area. Under EEZ survey programme, 24,853 LKM 2D seismic data were additionally acquired. The basin has been identified for drilling of one stratigraphic well under the GoI-approved plan. The basin is under active study by University of Houston, Texas, USA. Source: DGH Internal Hydrocarbon prospectivity and Basin maturity: Basin datasets, studies and opportunities: Source: DGH Internal
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