Page 26 - DGH_Annual_Report

26 INDIA'S HYDROCARBON OUTLOOK 2024-2025

2.1.2 CAUVERY BASIN Commercial hydrocarbon occurrences are
encountered in wide stratigraphic sequences
Cauvery is a Category I basin with commercial with the oldest sediments of Jurassic including
discovered in-place. the fractured Basement rocks.

The onland part of the basin overlaps with the The basin hosts thick pile of sediments of the
state(s) of Andhra Pradesh, Kerala, Puducherry, order of 8,000m, ranging from Late Jurassic. The
Tamil Nadu. onland part is mostly covered by the alluvium
The basin is situated southerly along the east deposited by the major river system of Cauvery
coast of Indian peninsula. Basin has significant and several stratigraphic sequences including
production from Mesozoic and Basement. Lower Gondwana have cropped out along the
Exploration opportunity exists in the undrilled basin margin areas.
areas of ultra-deepwater, located more than Mapping of deeper plays, including Basement
1,500m water depth in the northeast and and facies propagation of Pre-Albian sequences
southern part towards Gulf of Mannar. are the focus area of exploration.

Source: DGH Internal Source: DGH Internal

• Hydrocarbon prospectivity and Basin Cauvery basin has a total hydrocarbon in-place
maturity: of 1,432 MMTOE. This includes discovered in-
place of 294 MMTOE and undiscovered risked
In the basin, 9 plays are known within Basement, in-place of 1,138 MMTOE.
Jurassic, Cretaceous and Paleocene-to-Miocene.
Petroleum system was modelled in 3D basis The discovered in-place is under commercial
adequate datasets. production. The basin has 79.5% of total in-place,
potential to be explored and discovered.