Sl No

Basin

Block Name

Ref. No. On Map

Consortium (Participating Interest)

Date of Signing Contract

Approx. Area
(Sq. Km.)

DEEP WATER

1.

GUJARAT SAURASHTRA
 

GS-DWN-2000/1

D8

ONGC (100)

17-07-2001

13937

2.

GS-DWN-2000/2

D9

ONGC(85) & GAIL(15)

17-07-2001

14825

3.

MUMBAI
 

MB-DWN-2000/1

D10

ONGC (85) & IOC (15)

17-07-2001

11239

4.

MB-DWN-2000/2

D11

ONGC (50), IOC (15) GAIL (15), OIL (10) &GSPC(10)

17-07-2001

19106

5.

KERALA-KONKAN

KK-DWN-2000/1

D12

RIL(90) & HEPI (10)

17-07-2001

18113

6.

KK-DWN-2000/2

D13

ONGC (85) & GAIL (15)

17-07-2001

20998

7.

KK-DWN-2000/3

D14

RIL(90) & HEPI (10)

17-07-2001

14889

8.

KK-DWN-2000/4

D15

ONGC (100)

17-07-2001

26149

TOTAL AREA

39,256

SHALLOW OFFSHORE

9.

GUJARAT-SAURASHTRA

GS-OSN-2000/1

N18

RIL(90)&HEPI (10)

17-07-2001

8841

10.

MUMBAI

MB-OSN-2000/1

N19

ONGC (75), IOC (15) & GSPC (10)

17-07-2001

18414

11.

KERALA-KONKAN

KK-OSN-2000/1

N20

ONGC (100)

17-07-2001

16125

12.

CAUVERY
 

CY-OSN-2000/1

N21

ONGC (100)

17-07-2001

5920

13.

CY-OSN-2000/2

N22

ONGC (100)

17-07-2001

3530

14.

MAHANADI
 

MN-OSN-2000/1

N23

ONGC (100)

17-07-2001

6730

15.

MN-OSN-2000/2

N24

ONGC (40), IOC (20), GAIL (20) & OIL (10)

17-07-2001

8330

16.

BENGAL

WB-OSN-2000/1

N25

ONGC (85) & IOC (15)

17-07-2001

6700

TOTAL AREA

74,590

ONLAND

17.

BENGAL

WB-ONN-2000/1

N26

ONGC (85) & IOC (15)

17-07-2001

12505

18.

GANGA VALLEY

GV-ONN-2000/1

N27

ONGC (85) & IOC (15)

17-07-2001

23500

19.

RAJASTHAN

RJ-ONN-2000/1

N28

OIL (100)

17-07-2001

2535

20.

CAMBAY

CB-ONN-2000/1

N29

GSPC (60), GAIL (40)

17-07-2001

1424

21.

CB-ONN-2000/2

N30

NIKO (100)

17-07-2001

419

22.

MAHANADI

MN-ONN-2000/1

N31

OIL (40), ONGC (20), IOC (20) & GAIL (20)

17-07-2001

7900

23.

UPPER ASSAM

AS-ONN-2000/1

N32

RIL(90) & HEPI (10)

17-07-2001

6215

TOTAL AREA

54,498