| Block | Partners | 
	
    | KK-DWN-2004/1 | ONGC (45% and Operator) Cairn India (40%)
 Tata (15%)
 | 
	
    | CY-DWN-2004/1 | ONGC (70% and Operator) GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 | 
	
    | CY-DWN-2004/2 | ONGC (70% and Operator) GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 | 
	
    | CY-DWN-2004/3 | ONGC (70% and Operator) GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 | 
	
    | CY-DWN-2004/4 | ONGC (70% and Operator) GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 | 
	
    | CY-PR-DWN-2004/1 | ONGC (70% and Operator) GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 | 
	
    | CY-PR-DWN-2004/2 | ONGC (70% and Operator) GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 | 
	
    | KG-DWN-2004/1 | ONGC (70% and Operator) GSPC (10%)
 HPCL (10%)
 | 
	
    | KG-DWN-2004/2 | ONGC (60%and Operator) GAIL (10%)
 GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 | 
	
    | KG-DWN-2004/3 | ONGC (70% and Operator) BPCL (10%)
 GSPC (10%)
 HPCL (10%)
 | 
	
    | KG-DWN-2004/4 | RIL (100% and Operator) | 
	
    | KG-DWN-2004/5 | ONGC (50% and Operator) GSPC (10%)
 HPCL (10%)
 GAIL (10%)
 Oil India (10%)
 | 
	
    | KG-DWN-2004/6 | ONGC (60% and Operator) BPCL (10%)
 GSPC (10%)
 GAIL (10%)
 HPCL (10%)
 | 
	
    | KG-DWN-2004/7 | RIL (100% and Operator) | 
	
    | MN-DWN-2004/1 | RIL (100% and Operator) | 
	
    | MN-DWN-2004/2 | RIL (100% and Operator) | 
	
    | MN-DWN-2004/3 | RIL (100% and Operator) | 
	
    | MN-DWN-2004/4 | RIL (100% and Operator) | 
	
    | MN-DWN-2004/5 | RIL (100% and Operator) | 
	
    | NEC-DWN-2004/1 | Santos (100% and Operator) | 
	
    | NEC-DWN-2004/2 | Santos (100% and Operator) | 
	
    | GS-OSN-2004/1 | ONGC (100%) | 
	
    | CB-OSN-2004/1 | Focus (10% and Operator) Newbury (90%)
 | 
	
    | MB-OSN-2004/1 | GSPC (20% and Operator) IOC (20%)
 GAIL (20%)
 HPCL (20%)
 Petrogas (20%)
 | 
	
    | MB-OSN-2004/2 | Petrogas (20% and Operator) GSPC (20% )
 IOC (20%)
 GAIL (20%)
 HPCL (20%)
 | 
	
    | PR-OSN-2004/1 | Cairn (35%) ONGC (35%)
 Tata (35%)
 | 
	
    | KG-OSN-2004/1 | ONGC (55% and Operator) BG (45%)
 | 
	
    | Oil India (75% and Operator) | Suntera (10%) Shiv-Vani (15%)
 | 
	
    | MZ-ONN-2004/2 | Naftogaz (10% and Operator) RNRL (10%)
 REL (70%)
 Geopetrol (10%)
 | 
	
    | AA-ONN-2004/1 | Oil India (85 and Operator) Shiv Vani (15%)
 | 
	
    | AA-ONN-2004/2 | Oil India (90 and Operator) Suntera (10%)
 | 
	
    | AA-ONN-2004/3 | Essar Oil (10% and Operator) Essar Energy (90%)
 | 
	
    | AA-ONN-2004/4 | Naftogaz (10% and Operator) Adani Enterprises (35%)
 Adani Port (20%)
 Jaycee (35%)
 | 
	
    | AA-ONN-2004/5 | Essar Oil (10% and Operator) Essar Energy (90%)
 | 
	
    | PA-ONN-2004/1 | ONGC (100% and Operator) | 
	
    | GV-ONN-2004/1 | ONGC (100% and Operator) | 
	
    | SR-ONN-2004/1 | Prize Petroleum (10% and Operator) Jaiprakash Associates (90%)
 | 
	
    | VN-ONN-2004/1 | ONGC (100% and Operator) | 
	
    | VN-ONN-2004/2 | ONGC (100% and Operator) | 
	
    | RJ-ONN-2004/1 | GSPC (20% and Operator) GAIL (20%)
 HPCL (20%)
 Hallworthy (10%)
 Nitin Fire (10%)
 BPCL (10%)
 Silverwave (10%)
 | 
	
    | RJ-ONN-2004/2 | Oil India (75% and Operator) GeoGlobal (25%)
 | 
	
    | RJ-ONN-2004/3 | Oil India (60% and Operator) GeoGlobal (25%)
 | 
	
    | CB-ONN-2004/1 | HPCL (15%) and Operator) ONGC (50%)
 GSPC (40%)
 Heramec (10%)
 | 
	
    | CB-ONN-2004/2 | ONGC (50% and Operator) GSPC (40%)
 | 
	
    | CB-ONN-2004/3 | ONGC (40%and Operator) Suntera (10%)
 GSPC (35%)
 Ensearch (25%)
 | 
	
    | CB-ONN-2004/4 | ONGC (50% and Operator) GSPC (40%)
 Heramec (10%)
 | 
	
    | CB-ONN-2004/5 | Naftogaz (10% and Operator) Adani Enterprises (35%)
 Adani Port (20%)
 Welspun (35%)
 | 
	
    | DS-ONN-2004/1 | GeoGlobal (100%) | 
	
    | G-ONN-2004/1 | Oil India (90% and Operator) GeoGlobal (10%)
 | 
	
    | KG-ONN-2004/2 | GSPC (40% and Operator) GAIL (40%)
 Petrogas (20%)
 | 
	
    | CY-ONN-2004/1 | ONGC (80% and Operator) BPCL (20%)
 | 
	
    | CY-ONN-2004/2 | ONGC (80% and Operator) BPCL (20%)
 |