Sl. No.

Basin

Block Name

Ref. No. On Map

Consortium (Participating Interest)

Date of Signing Contract

Approx. Area (Sq. Km.)

DEEP WATER

1.

KRISHNA-GODAVARI
 
 
 

KG-DWN-98/1

D1

RIL (100) - Niko

12-04-2000

10,810

2.

KG-DWN-98/2

D2

CAIRN (100)

12-04-2000

9,800

3.

KG-DWN-98/3

D3

RIL (90) & NIKO (10)

12-04-2000

7,645

4.

KG-DWN-98/4

D4

ONGC (85) & OIL (15)

12-04-2000

9,940

5.

KG-DWN-98/5

D5

ONGC (100)

12-04-2000

8,980

6.

MAHANADI
 

MN-DWN-98/2

D6

RIL (100) - Niko

12-04-2000

9,605

7.

MN-DWN-98/3

D7

ONGC (100)

12-04-2000

10,005

TOTAL AREA

66,742

SHALLOW OFFSHORE

8.

GUJARAT-KUTCH

GK-OSN-97/1

N-1

RIL (100) - Niko

12-04-2000

1,465

9.

SAURASHTRA

SR-OSN-97/1

N-2

RIL (100) - Niko

12-04-2000

5,040

10.

MUMBAI
 
 

MB-OSN-97/2

N-3

RIL (100) - Niko

12-04-2000

5,270

11.

MB-OSN-97/3

N-4

RIL (100) - Niko

12-04-2000

5,740

12.

MB-OSN-97/4

N-5

ONGC (70) & IOC (30)

12-04-2000

18,870

13.

KERALA-KONKAN
 

KK-OSN-97/2

N-6

RIL (100)

12-04-2000

19,450

14.

KK-OSN-97/3

N-7

ONGC (100)

12-04-2000

15,910

15.

CAUVERY
 

CY-OSN-97/2

N-8

OIL (100)

12-04-2000

5,215

16.

CY-OSN-97/1

N-9

HOEC  (30), MIL (35) & EEIPL (35)

08-01-2001

4,940

17.

KRISHNA-GODAVARI

KG-OSN-97/4

N-10

RIL (100)

12-04-2000

4,020

18.

KG-OSN-97/3

N-11

RIL (100)

12-04-2000

2,460

19.

KG-OSN-97/2

N-12

RIL (100)

12-04-2000

4,790

20.

KG-OSN-97/1

N-13

ONGC (100)

12-04-2000

4485

21.

MAHANADI

MN-OSN-97/3

N-14

ONGC (85) & GAIL (15)

12-04-2000

5420

22.

BENGAL
 

NEC-OSN-97/2

N-1 5

RIL (90), NIKO (10)

12-04-2000

14,535

23.

NEC-OSN-97/1

N-16

OAO GAZPROM (50) & GAIL (50)

03.10.2000

10,425

 TOTAL AREA

124,980

ONLAND

24.

GANGA VALLEY

GV-ONN-97/1

N-1 7

ONGC (100)

12-04-2000

36,750

TOTAL AREA

36,750

GRAND TOTAL

228,472
Sq. Km.