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Exploration and Production Activities 75

Sl. Operator Basin Oil (MMT) Gas (BCM) O+OEG (MMT)
No.

19 OILMAX Assam-Arakan Shelf 0.01 0.07 0.08
20 Cambay 0.00 0.00 0.00

21 ONGC Cambay 0.06 0.07 0.13
22 Cauvery 0.06 0.03 0.09
23 Krishna Godavari 1.06 0.75 1.81

24 Bengal 0.00 0.00 0.00
25 PAN INDIA Cambay 0.0004 0.00 0.00

26 RIL Krishna Godavari 0.95 10.22 11.17
27 SELAN Cambay 0.04607 0.01664 0.06271

28 SACF Cambay 0.00002 0.00000 0.00002
29 SHELL Mumbai 0.00 0.00 0.00
30 SUNPETRO Cambay 0.39 0.02 0.41

Total NOCs/PVT/JV COMPANIES (PSC) 6.793 13.387 20.180
COAL BED METHANE (CBM)

1 ESSAR Raniganj East 0.336 0.336
2 GEECL Raniganj South 0.079 0.079
3 ONGC Bokaro 0.047 0.047

4 Jharia 0.0002 0.0002
5 RIL Sohagpur East 0.002 0.002

6 Sohagpur West 0.292 0.292
Total CBM 0.756 0.756
India Grand Total 28.703 36.109 64.812

3.3.1 Key Basins: The Geological contributing 14.517 BCM of gas (40.20%) in
Powerhouses 2024-25.
India’s hydrocarbon production is anchored in Rajasthan Basin: A key onshore basin,

several key basins, each with unique geological contributing approximately 11.95% to oil
characteristics and contributions: production (3.43 MMT) and 1.786 BCM of gas
(4.95%) in 2024-25.
Krishna-Godavari Basin: A Category I
basin, considered the most prospective Cambay Basin: Emerging as the second

with maximum resources. It is home to highest contributor to oil production at 18.5%
the country’s largest deepwater gas fields, (5.3 MMT), with 1.205 BCM of gas (3.34%) in
contributing 11.775 BCM of gas (32.61% of 2024-25.
total) in 2024-25. It has also produced 2.7
MMT of crude oil in 2024-25. Assam and Tripura Basins: Historically
significant, contributing 3.593 BCM from
Mumbai Offshore Basin: Historically Assam-Arakan Shelf (9.95%) and 1.224 BCM
significant, accounting for 43.45% of from Assam-Arakan Fold Belt (3.39%) in
India’s oil output with 12.47 MMT oil, also 2024-25, along with 4.5 MMT of oil (15.7%)