Page 24 - DGH_Annual_Report

24 INDIA'S HYDROCARBON OUTLOOK 2024-2025

Godavari and Krishna and several stratigraphic shales of Permian to Eocene. Biogenic reservoirs
sequences including Lower Gondwana that are and gas hydrate deposits have been established
outcropped near the basin margin. in the basin.

The reservoirs are primarily sandstones Facies propagation in deepwater calls for
with isolated occurrences of limestone and mapping with high resolution seismic and well
unconventional reservoirs like fractured basalts. data. Syn-rift and Eocene play can be targets for
Effective source rocks are identified to be the exploration.

Source: DGH Internal Source: DGH Internal

• Hydrocarbon prospectivity and Basin • Overview of producing fields:
maturity:
Commercial production in onland area
In the basin, 10 thermogenic plays are identified commenced in 1965. Major producing fields with
within Basement, Permian, Mesozoic, Paleocene, cumulative production in parenthesis are namely
Eocene, Miocene, Pliocene. Besides, 2 biogenic Pasarlapudi (12.5 BCM), Kesavadasapalem (5
plays have been established in Mio-Pliocene BCM), Kesanapalli West (2.7 MMT), Mandapeta-
sequences. Petroleum system was modelled in Mandapeta(S) [4.4 BCM], Gopavaram (1.7 MMT).
3D basis adequate datasets. The area has 53 fields with 260 producing wells.
The maximum flow rates achieved by any field
Krishna-Godavari (KG) basin has a total on record are Oil 1,535 BOPD and Gas 1 MMSCMD.
hydrocarbon in-place of 4,772 MMTOE. This
includes discovered in-place of 1,976 MMTOE and Commercial production in shallow water area
undiscovered risked in-place of 2,796 MMTOE. commenced in 1994. Major producing fields
The discovered in-place is under commercial with cumulative production in parenthesis are
production. The basin has 58.6% of total in-place, namely Ravva (42 MMT, 13 BCM). The area has
potential to be explored and discovered. 6 fields with 39 producing wells. The maximum
flow rates achieved by any field on record are Oil
9,491 BOPD.