Page 52 - DGH_Annual_Report

52 INDIA'S HYDROCARBON OUTLOOK 2024-2025

conventional play. Whereas in Punjab sub-basin Cambrian sequences) and Duarmara gas field
only one hypothetical play i.e. Middle Miocene of Assam state (Tertiary sequences).
Play is envisaged as only Tertiary sediments,
resting directly over metamorphic basements. Ganga-Punjab basin has a total hydrocarbon
Ganga sub-basin Neo-Proterozoic play is in-place of 126 MMTOE and this is entirely
unconventional tight gas play like Vindhyan undiscovered risked in- place.
play. Middle Miocene play (Lower Siwalik) has • Basin datasets and studies:
been considered as conventional play.
As of 31.03.2025, NDR has archived primary
• Hydrocarbon prospectivity and Basin datasets of 25,023 LKM 2D seismic, 420 SKM
maturity: 3D seismic and 19 conventional wells (all
In the basin, 2 plays are known within Pre- exploratory). Multiple flavours of reprocessed
Cambrian and Mid Miocene. Aerial Yield method seismic datasets are also archived whenever the
was used on analogy of Vindhyan basin (Pre- 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 304,000 104,465 (34%) OALP: 3/2,428
The basin occupies an area of 304,000 sq km. It has been appraised to the extent of 104,465 sq km
(34%). The active acreage nos. across regime(s) are 3 with area 2,428 sq. km (<1% of basin area).
Bidding opportunities:

Onland: 1 OALP (Round X) block with 5,241 sq km area