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India's Sedimentary Basins: Subsurface Insights 61
• Basin datasets and studies:
As of 31.03.2025, NDR has archived primary
datasets of 2,094 LKM 2D seismic, 37 SKM 3D
seismic. Multiple flavours of reprocessed seismic
datasets are also archived whenever the same
are provided by E&P Operators.
Source: DGH Internal
Basin appraisal and regime-wise active acreage:
Location Basin area(skm) Appraised (skm) Active acreage [Nos./Area(skm)]
Onland 95,215 35,230 (37%) OALP: 1/2,999
The basin occupies an area of 95,215 sq km. It has been appraised to the extent of 35,230 sq km (37%).
The active acreage nos. across regime(s) are 1 with area 2,999 sq. km (<1% of basin area). .
2.3.13 SPITI-ZANKSKAR BASIN
Spiti-Zankskar is a Category III basin with entirely undiscovered in-place, that calls for intense
exploration for a potential discovery.
The basin overlaps with the state(s) of Himachal Pradesh, Jammu and Kashmir, Uttarakhand.
Source: DGH Internal Source: DGH Internal
