CAMBAY BASIN

1. BASIN AREA 53,500 Sq. Km. (including 2,500 Sq. Km. in the Gulf of Cambay)

1.1 BASIN LOCATION MAP Refer Sedimentary Basin Map of India in Notice Inviting Offers (NIO)

2. EXISTING DATA BASE 2.1 SEISMIC DATA 2D 104,113 LKM 3D 7,895 Sq Km. 2.2 OTHER SURVEYS GM Survey 12,937 Stations 2.3 WELL DATA Exploratory Wells > 2318 Hydrocarbon Discoveries / Fields

> 97 Oil & Gas Fields (including 2 Giants)

3. BLOCKS ON OFFER 11 Blocks (Onland)

CB-ONN-2005/1

CB-ONN-2005/2

CB-ONN-2005/3

CB-ONN-2005/4

CB-ONN-2005/5

CB-ONN-2005/6

CB-ONN-2005/7

CB-ONN-2005/8

CB-ONN-2005/9

CB-ONN-2005/10

CB-ONN-2005/11

4. BASIN TYPE Intracratonic Rift Basin

5. PROVEN SEDIMENTARY SECTION

Age Range Thickness (m)

Paleocene to Recent ~7000 m 5.1 GENERALISED STRATIGRAPHIC SEQUENCE

6. PETROLEUM GEOLOGY

EXPECTED RESERVOIR ROCKS ● Sandstones in Eocene to Miocene ● Conglomerates, sandstones, siltstones and weathered trap in Paleocene

EXPECTED SOURCE ROCKS Paleocene to Eocene shales

EXPECTED CAP ROCKS Intra-formational shales

AREA

AGE

SUB-SURFACE

SERAU-THARADBLOCK

GUJARAT ALLUVIUMRECENTTO

PLEISTOCENE BUDHANPURFORM ATION

PLIOCENEUP.

MIOCENEANTROL

FORM ATIONDHIM A

FORM ATIONMID.

MIOCENE

LR. MIOCENE

DEODAR FORMATION

OLIGOCENE

TARAPUR SHALE

MID.EOCENE

LR. EOCENE

PALEOCENE

LOWERCRETACEOUSTO JURASSIC

ARCHEAN GRANIT E

SERAUFORMATION

SUB-SURFACEMEHSANA-

AHMEDABAD-DHOLKA BLOCK

CAM BAY-TARAPUR BL OCK

JAM BUS AR-BROACH BLOCK

NARMADABLOCK

G U J A R A T A L L U V I U M

J A M B U S A R F O R M A T I O N

B R O A C H F O R M A T I O N

K A N D F O R M A T I O N

J H A G A D I A F O R M A T I O N

B A B A G U R U F O R M A T I O N

DADHAR FORMATIO N

VASO FORMA TION

TELW A SH ALE

ARD OL MB.UP. EOCENE

UPPERCRETACEOUS

DECCAN TRAP GROUP

BALUTRIFORM ATION

LOWERTHARAD

FORM ATION

UPPER THARAD FORM ATION

K A N D F O R M A T I O N

KANW A SH AL E

HAJAD M EMBERWAVEL MB

KANSARI SHALE

YOUNGER CAMBAY SHALE

OLDER CAMBAY SHAL E

OLPAD FORM ATION

DECCAN TRAP GROUP

DETRO JUNIT

GENERALISED STRATIGRAPHY OF CAMBAY BASINGENERALISED STRATIGRAPHY OF CAMBAY BASIN

CHHATR AL MB.

MEHSAN ALMB.

SOBH ASAN MB

MANDH ALI MB.

SERTHA MB. KAL

OL

FM

AN

KLE

SW

AR

FM

LINCH MB.

UNAW A MB.

CAM

BAY

SHA

LE

N M

*

N MLEGEND

NECK MARKER (LOG)

SOURCE SEQUENCE

RESERVOIR SEQUENCE

TARKESHAWAR FORMATION

SONGIRFORMATION

HAZI

RA

SH

ALE

KAD

I FM

TARAPUR SHALE

NW GM, DHOLK A

GRANITE

SOURCE RES. SEAL OIL/G AS

1

2

1 & 2TOC : 1.5% - 4.0%VRo : 0.6% - 2%KEROGEN TYPE – II & III

AREA

AGE

SUB-SURFACE

SERAU-THARADBLOCK

GUJARAT ALLUVIUMRECENTTO

PLEISTOCENE BUDHANPURFORM ATION

PLIOCENEUP.

MIOCENEANTROL

FORM ATIONDHIM A

FORM ATIONMID.

MIOCENE

LR. MIOCENE

DEODAR FORMATION

OLIGOCENE

TARAPUR SHALE

MID.EOCENE

LR. EOCENE

PALEOCENE

LOWERCRETACEOUSTO JURASSIC

ARCHEAN GRANIT E

SERAUFORMATION

SUB-SURFACEMEHSANA-

AHMEDABAD-DHOLKA BLOCK

CAM BAY-TARAPUR BL OCK

JAM BUS AR-BROACH BLOCK

NARMADABLOCK

G U J A R A T A L L U V I U M

J A M B U S A R F O R M A T I O N

B R O A C H F O R M A T I O N

K A N D F O R M A T I O N

J H A G A D I A F O R M A T I O N

B A B A G U R U F O R M A T I O N

DADHAR FORMATIO N

VASO FORMA TION

TELW A SH ALE

ARD OL MB.UP. EOCENE

UPPERCRETACEOUS

DECCAN TRAP GROUP

BALUTRIFORM ATION

LOWERTHARAD

FORM ATION

UPPER THARAD FORM ATION

K A N D F O R M A T I O N

KANW A SH AL E

HAJAD M EMBERWAVEL MB

KANSARI SHALE

YOUNGER CAMBAY SHALE

OLDER CAMBAY SHAL E

OLPAD FORM ATION

DECCAN TRAP GROUP

DETRO JUNIT

GENERALISED STRATIGRAPHY OF CAMBAY BASINGENERALISED STRATIGRAPHY OF CAMBAY BASIN

CHHATR AL MB.

MEHSAN ALMB.

SOBH ASAN MB

MANDH ALI MB.

SERTHA MB. KAL

OL

FM

AN

KLE

SW

AR

FM

LINCH MB.

UNAW A MB.

CAM

BAY

SHA

LE

N M

*

N MLEGEND

NECK MARKER (LOG)

SOURCE SEQUENCE

RESERVOIR SEQUENCE

TARKESHAWAR FORMATION

SONGIRFORMATION

HAZI

RA

SH

ALE

KAD

I FM

TARAPUR SHALE

NW GM, DHOLK A

GRANITE

SOURCE RES. SEAL OIL/G AS

1

2

1 & 2TOC : 1.5% - 4.0%VRo : 0.6% - 2%KEROGEN TYPE – II & III

7. REPRESENTATIVE SEISMO-GEOLOGICAL SECTION

8. PROVEN/EXPECTED PLAY TYPES

(i) Structural highs and fault closures in Paleocene to Miocene sequences

(ii) Stratigraphic traps (pinchouts / wedgeouts, lenticular sands, oolitic sands, weathered trap) in

Paleocene to Miocene sequences

100

600

1100

1600

1600

1100

600

100

2100

600

CAMBAY GULF NARMADA RIVER

G 243-6G 278-8G 214-1AG 214-1

WSW ENE

DEPTHMSL

SEISMO-GEOLOGICAL SECTION ACROSS BROACH TECTONIC BLOCK

0.5

1.1

1.75

2.5

3.3

4.0

4.7

5.4

6.5

7.8

0.5

1.1

1.75

2.5

3.3

4.0

4.7

5.4

6.5

7.8

RECENT TO PLIOCENE

MIOCENE

LEGEND

OLIGOCENE

EOCENE

PALAEOCENE

DECCAN TRAP (Basalt)TOP OF OIL WINDOWBASE OF OIL WINDOW

O/W

OILWINDOW

v v

BLOCKS ON OFFER

LOCATIONS OF THE BLOCKS

414-19

208

418

319-15

1043

1165231-2

737

837

948

319-12

973

10731090

231-3

728

828

982

290-6

200

300

400

500

633 319-8

836

936

322-3

158

258

358

458

558

600

394-

2 220

320

420

394-

3 330

429

394-

1

233

333

414

414-

13

47

147

247

300

339-21 108

249

319-3

79

179

279

445

319-3A

79

179

279

379

479

579604

414-

15

307

407

507

570

319-

4

81

181

225319-4A

81

181

281

381

481

566

322-15

32

132

232

332

395

319-680

180

280

380

480497

322-6

30

130

230

319

319-9

156

256

356

390

414-2

100

174

414-4

66

166

231

290-1B

1830

394-15

66

166

200

414-12

235

345

414-10

168

268

368

400

322-16

30

130

230

330

414-0666

166

266

366

414-08

66

266

366

466

306

406

506

606

23 4

4 00

23 4

6 00

23

48

00

72 08 00 72 10 00 72 12 00 72 14 00 72 16 00

2104

928

600

430

530

414-

17

72 08 00 72 10 00 72 12 00 72 14 00 72 16 00

23 4

4 00

23 4

6 00

23

48

00

A

BC

DE

N

Ranuj-1

South Patan – 2

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

BLOCK : CB-ONN-2005/1

1. BLOCK AREA 61 sq. km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 400 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

Seismic Coverage Map

2.3 WELL DATA Number of exploratory wells : 2

Hydrocarbon shows : No Hydrocarbon shows encountered in the drilled wells

AGE FORMATION DEPTH(m)

LITHOLOGY DISCRIPTION REMARKS

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

~~~~~~~~

~~~~~~~~~~~~~~~~

~~~~~~~~

~~~~~~~~

~~~~~~~~

~~~~~~~~~~~~~~~~CAMBAY

SHALE

KA

LOL

–K

AD

I

TARAPUR

BABAGURU

KAND

J H

A G

A D

I A

GU

JAR

AT

ALL

UVI

UM

REC

ENT

TO

SUB

REC

ENT

N

E

O

G

E

N

EP

A L

E O

G E

N E

Sand and Clay

Sandstone, Clay,

Claystone, Siltstone

and Coal

Sandstone, Claystone,

Siltstone and Coal

Claystone and Sandstone

Claystone

Sandstone, Claystone,

Coal and Siltstone

Claystone, Shale and

Siltstone

DD : 1700m KB : 83.2mGL : 78.2m

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL SOUTH

PATAN -2

500

1000

1500

2000

2500

3000

3500

4000

T

W

T

I

N

M

S

350 300400 200 150250 100LINE : 414-08

NEAR TOP OF KALOL-KADI FM.

NEAR TOP OF CAMBAY SHALE

NEAR TOP OF OLPAD

TOP DECCAN TRAP

SE

SP

NW

414-19

208

418

319-15

1043

1165

231-2

737

837

948

319-12

973

10731090

231-3

728

828

982

290-6

200

300

400

500

633 319-8

836

936

322-3

158

258

358

458

558

600

394-

2 220

320

420

394-3

330

429

394-

1

233

333

414

414-

13

47

147

247

300

339-21 108

249

319-3

79

179

279

445

319-3A

79

179

279

379

479

579604

414-

15

307

407

507

570

319-

4

81

181

225

319-4A

81

181

281

381

481

566

322-15

32

132

232

332

395

319-680

180

280

380

480497

322-6

30

130

230

319

319-9

156

256

356

390

414-2

100

174

414-4

66

166

231

290-1B

1830

394-15

66

166

200

414-12

235

345

414-10

168

268

368

400

322-16

30

130

230

330

414-06

66

166

266

366

414-08

66

266

366

466

306

406

506

606

2104

928

600

430

530

414-

17

A

BC

DE

414- 19

208

418

319-15

1043

1165

231-2

737

837

948

319-12

973

10731090

231-3

728

828

982

290-6

200

300

400

500

633 319-8

836

936

322-3

158

258

358

458

558

600

394-

2 220

320

420

394-3

330

429

394-

1

233

333

414

414-

13

47

147

247

300

339-21 108

249

319-3

79

179

279

445

319-3A

79

179

279

379

479

579604

414-

15

307

407

507

570

319-

4

81

181

225

319-4A

81

181

281

381

481

566

322-15

32

132

232

332

395

319-680

180

280

380

480497

322-6

30

130

230

319

319-9

156

256

356

390

414-2

100

174

414-4

66

166

231

290-1B

1830

394-15

66

166

200

414-12

235

345

414-10

168

268

368

400

322-16

30

130

230

330

414-06

66

166

266

366

414-08

66

266

366

466

306

406

506

606

2104

928

600

430

530

414-

17

A

BC

DE

4. INTERPRETED PLAY TYPE

SECTION SHOWS A CONSPICOUS STRUCTURAL HIGH INVOLVING OLPAD FORMATION

AND CAMBAY SHALE.

23 42 0023 44 00

414-20

319-

13

840

1020290-8

890

1110

190

320

307-11

1430

1610

319-10

800

1060

319-16

830

1130

319-5

840

1156

319-6A

81

200

331-3

56

125

331-4

78

130

339-20

420

700

372-

10

280

710

372-

12

320

620

372-

14

370

500

372-15

380

780

372-17

340

700

372-

2

30

140

372-

4

103

500

372-

6A

160

402

372-

6B

100

160

372-8

190

690

750

372-13B

209

330

394-0

1

6

160

394-

02

6

130

394-

03

40

100 394-

13

64

90

404-

06

14

130

404-

07

6

95

404-

10

160

230

319-03

668

1079

319-04

444

944

1080

414-19

6

150

414-

15

45

222

231-1

3

251

487

319-09

818

1155

72 04 00 72 06 00 72 08 00 72 10 00

72 04 00 72 06 00 72 08 00 72 10 00

23 4

2 00

23 4

4 00

A

BC

D

E

FCH-4

CH-1

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

23 30 0023 32 00

23 34 0023 36 00

23 38 00

72 02 00 72 04 00 72 06 00 72 08 00

72 02 00 72 04 00 72 06 00 72 08 00

23 3

0 00

23 3

2 00

23 3

4 00

23 3

6 00

23 3

8 00

0 2,000 4,000

MetersScale 1 : 100000

0 2,000 4,000

MetersScale 1 : 100000

90

188-13

188-14

188-15

266-11590

10901120

266-12

590

1120

266-14 580

830

266-15580

830266-17580

810

266-18580

690266-19570

690

266-20

570

680

266-6

140

640

730291-7A

800

970

291-9A

1340

1538

291-9B

140

320

331-11

1140

1248

331-19530

610

331-20520

600

335-1

1460

1603

339-01

840

960

339-03740

930

339-05

410

910940

339-07

420

920940

339-08

420

902339-09

420

920940

339-11690

930

339-12

530

720339-13700

940

339-15

710

940

339-17720

950

339-19750

950

13

70

14

19014

A

B

C

D

E

FG

HI

JK

L

M

N

O

KB-4

BC-17

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

BLOCK : CB-ONN-2005/2

1. BLOCK AREA 82 Sq. Km. (Approx.) (Part – A & B)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 570 LKM

SEISMIC COVERAGE MAP (PART-A)

AGE FORMATIONDEPTH

(M) LITHOLOGY DISCRIPTION REMARKS

~~~~~~~~~~~~~~~~

~~~~~~~~

~~~~~~~~

Sand, Gravel, Clay and Claystone

Claystone and Sand

Claystone and Sand

Sand and Clay

Claystone, Shale, Sand and Siltstone

Sand, Claystone, Clay, Coal, Shale and Siltstone

Claystone, Sand and Siltstone

Holocene Pleistocene

Upp

.Mio

cene

–M

id.M

ioce

neM

id.M

ioce

ne–

Low

.Mio

cene

LOWER MIOCENE

Low.Oligocene– Upp. Eocene

Upp

er E

ocen

e –

Low

er E

ocen

e

Lower Eocene - Paleocene

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

Gujarat Alluvium

Jhagadia

Kand

Babaguru

Tarapur

Kalol - Kadi

CambayShale

Golden Yellow Fob

Moderate Sol. Cut

DD : 1410.6 M

SEISMIC COVERAGE MAP (PART-B) 2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

4

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL BECHRAJI-17

1000

1200

1400

1600

1800

2000

2200

2400

2600

750 700 650 600 550 500 450 400SENW

T W

T

I N

M S

LINE : 372-15SP

NEAR TOP OF KALOL FM.

WITHIN OLPAD

414-20

319-

13

840

1020

290-8

890

1110

190

320

307-11

1430

1610

319-10

800

1060

319-16

830

1130

319-5

840

1156

81

331-3

56

125

331-4

78

130

339-20

420

700

372-

10

280

710

372-

12

320

620

372-

14

370

500

372-15

380

780

372-17

340

700

372-

2

30

140

372-

4

103

500

372-

6A

160

402

372-

6B

100

160

372-8

190

690

750

372-13B

209

330

394-

01

6

160

394-

02

6

130

394-

03

40

100 394-

13

64

90

404-

06

14

130

404-

07

6

95

404-

10

160

230

319-03

668

1079

319-04

444

944

1080

414- 19

6

150

319-06

806

1104

414-

15

45

222

231-

13251

487

319-09

818

1155

A

BC

D

E

F414-20

319-

13

840

1020

290-8

890

1110

190

320

307-11

1430

1610

319-10

800

1060

319-16

830

1130

319-5

840

1156

81

331-3

56

125

331-4

78

130

339-20

420

700

372-

10

280

710

372-

12

320

620

372-

14

370

500

372-15

380

780

372-17

340

700

372-

2

30

140

372-

4

103

500

372-

6A

160

402

372-

6B

100

160

372-8

190

690

750

372-13B

209

330

394-

01

6

160

394-

02

6

130

394-

03

40

100 394-

13

64

90

404-

06

14

130

404-

07

6

95

404-

10

160

230

319-03

668

1079

319-04

444

944

1080

414- 19

6

150

319-06

806

1104

414-

15

45

222

231-

13251

487

319-09

818

1155

A

BC

D

E

F

1000

1250

1500

1750

2000

2250

2500

2750

3000

600

750

640 680 720 760 800WELL: KHAMBEL-4LINE : 266-14

T W

T

I N

M S

NEAR TOP OF KALOL FM

TOP OF CAMBAY SHALE

WITHIN OLPAD FM.

EWSP

90

188-13

188-14

188-15

266-11590

1090

1120

266-12

590

1120

266-14 580

830

266-15580

830266-17580

810

266-18580

690266-19570

690

266-20

570

680

266-6

140

640

730291-7A

800

970

291-9A

1340

1538

291-9B

140

320

331-11

1140

1248

331-19530

610

331-20520

600

335-1

1460

1603

339-01

840

960

339-03740

930

339-05

410

910940

339-07

420

920940

339-08

420

902339-09

420

920940

339-11690

930

339-12

530

720339-13700

940

339-15

710

940

339-17720

950

339-19750

950

13

70

14

19014

A

B

C

D

E

FG

HI

JK

L

M

N

O

90

188-13

188-14

188-15

266-11590

1090

1120

266-12

590

1120

266-14 580

830

266-15580

830266-17580

810

266-18580

690266-19570

690

266-20

570

680

266-6

140

640

730291-7A

800

970

291-9A

1340

1538

291-9B

140

320

331-11

1140

1248

331-19530

610

331-20520

600

335-1

1460

1603

339-01

840

960

339-03740

930

339-05

410

910940

339-07

420

920940

339-08

420

902339-09

420

920940

339-11690

930

339-12

530

720339-13700

940

339-15

710

940

339-17720

950

339-19750

950

13

70

14

19014

A

B

C

D

E

FG

HI

JK

L

M

N

O

SECTION SHOWS THINNING AND SHALLOWING OF STRATIGRAPHIC UNITS TOWARDS SE, i.e., TOWARDS NARMADA TECTONIC BLOCK. KALOL THICKNESS BEING TOO

SMALL, CAMBAY SHALE TOP COULD NOT BE MARKED.

SECTION SHOWS AN ANTICLINAL FEATURE INVOLVING OLDER CAMBAY SHALE AND OLPAD FORMATION.

4. INTERPRETED PLAY TYPE

BLOCK : CB-ONN-2005/3

1. BLOCK AREA 48 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 220 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

2

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

341-03

341-19

341-07

341-06

28513B

28513A

341-05

341-04

365-02

365- 13

365-04

365-06

251-9

365-08

365-10

365-12

365-14

288-4

285-

10

288-5

960

960

1060

1060340

160

260

360

460

560580

1160

1160

160

260

360

460

560

620

440

1660

1760

1860

1960

107

207

307320

1260

1260

1360

200

300

400

500

600

640

1360

1454

1998

1960

540

230

330

430

530

630

680

14601860

88

640

54

154

220

60

1760

160

740

188

220

80

180

240

1660

380

480

540

100

200

1560

840

288

940

100

280

260

1600

1580

120

220

300

1480

140

240

280

1380

1040

388

1100419

72 10 00 72 12 00 72 14 00

23 26 0023 24 00

23 22 0023 20 00

72 10 00 72 12 00 72 14 00

23 2

6 00

23 2

4 00

23 2

2 00

23 2

0 00

0 1,000 2,000 3,000

MetersScale 1 : 100000

A

BC

D

E

F

LM – 8

EB – 3

Block Boundary

Seismic Lines

LEGEND

Wells

341-03

341-19

341-07

341-06

28513B

28513A

341-05

341-04

365-02

365- 13

365-04

365-06

251-9

365-08

365-10

365-12

365-14

288-4

285-

10

288-5

960

960

1060

1060340

160

260

360

460

560580

1160

1160

160

260

360

460

560

620

440

1660

1760

1860

1960

107

207

307320

1260

1260

1360

200

300

400

500

600

640

1360

1454

1998

1960

540

230

330

430

530

630

680

14601860

88

640

54

154

220

60

1760

160

740

188

220

80

180

240

1660

380

480

540

100

200

1560

840

288

940

100

280

260

1600

1580

120

220

300

1480

140

240

280

1380

1040

388

1100419

72 10 00 72 12 00 72 14 00

23 26 0023 24 00

23 22 0023 20 00

72 10 00 72 12 00 72 14 00

23 2

6 00

23 2

4 00

23 2

2 00

23 2

0 00

0 1,000 2,000 3,000

MetersScale 1 : 100000

0 1,000 2,000 3,000

MetersScale 1 : 100000

A

BC

D

E

F

LM – 8

EB – 3

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL BECHRAJI – 3

AGE FORMATION DEPTH

(M) LITHOLOGY DISCRIPTION REMARKS

REC

ENT

–M

IDD

LE M

IOC

ENE

Post Kand

MID

. MIO

CEN

E –

LOW

. MIO

CEN

E

LOWER MIOCENE

Oligocene –Upper Eocene

MIDDEL EOCENE

LOW

ER

EOC

ENE

–U

PPER

PA

LAEO

CEN

E

Kand

Babaguru

Tarapur

Kalol - Kadi

Olpad –Cambay Shale

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

~~~~~~~~

~~~~~~~~

~~~~~~~~

~~~~

Clay and Sand

Sandstone, Claystoneand Siltstone

Claystone, Shale and Sandstone

Shale, Sandstone, Claystone and Coal

Shale, Sandstone and Claystone

DD : 1505 M

AGE FORMATION DEPTH (M) LITHOLOGY DISCRIPTION REMARKS

REC

ENT

–M

IDD

LE M

IOC

ENE

Post Kand

MID

. MIO

CEN

E –

LOW

. MIO

CEN

E

LOWER MIOCENE

Oligocene –Upper Eocene

MIDDEL EOCENE

LOW

ER

EOC

ENE

–U

PPER

PA

LAEO

CEN

E

Kand

Babaguru

Tarapur

Kalol - Kadi

Olpad –Cambay Shale

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~

~~~~~~~~

Clay and Sand

Sandstone, Claystoneand Siltstone

Claystone, Shale and Sandstone

Shale, Sandstone, Claystone and Coal

Shale, Sandstone and Claystone

DD : 1505 M

A STRUCTURAL HIGH INVOLVING OLDER CAMBAY SHALE AND OLPAD FORMATION.

5. INTERPRETED PLAY TYPE

1000

1250

1500

1750

2000

2250

2500

2750

3000

3250

400 500 600 700 800 900 1000

LINE : 285 – 10

T W

T

I N

M S

SP

NNWSSE

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

HORIZON WITHIN OLPAD FORMATION

WELL: LM – 8

341-03

341-19

341-07

341-06

28513B

28513A

341-05

341-04

365-02

365-13

365-04

365-06

251-9

365-08

365-10

365-12

365-14

288-4

285-

10

288-5

960

960

1060

1060340

160

260

360

460

560580

1160

1160

160

260

360

460

560

620

440

1660

1760

186 0

19 60

107

20 7

307320

1260

1260

1360

200

300

400

500

600

640

1360

1454

1998

1960

540

230

330

430

530

630

680

14601860

88

640

54

154

220

60

1760

160

740

188

220

80

18 0

240

1660

380

480

540

100

200

1560

840

288

940

100

280

26 0

1600

1580

120

220

300

1480

140

240

280

1380

1040

388

1100419

A

BC

D

E

F

341-03

341-19

341-07

341-06

28513B

28513A

341-05

341-04

365-02

365-13

365-04

365-06

251-9

365-08

365-10

365-12

365-14

288-4

285-

10

288-5

960

960

1060

1060340

160

260

360

460

560580

1160

1160

160

260

360

460

560

620

440

1660

1760

186 0

19 60

107

20 7

307320

1260

1260

1360

200

300

400

500

600

640

1360

1454

1998

1960

540

230

330

430

530

630

680

14601860

88

640

54

154

220

60

1760

160

740

188

220

80

18 0

240

1660

380

480

540

100

200

1560

840

288

940

100

280

26 0

1600

1580

120

220

300

1480

140

240

280

1380

1040

388

1100419

A

BC

D

E

F

1000

1250

1500

1750

2000

2250

2500

2750

3000

3250

400 500 600 700 800 900 1000

LINE : 285 – 10

T W

T

I N

M S

SP

NNWSSE

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

HORIZON WITHIN OLPAD FORMATION

WELL: LM – 8

341-03

341-19

341-07

341-06

28513B

28513A

341-05

341-04

365-02

365-13

365-04

365-06

251-9

365-08

365-10

365-12

365-14

288-4

285-

10

288-5

960

960

1060

1060340

160

260

360

460

560580

1160

1160

160

260

360

460

560

620

440

1660

1760

186 0

19 60

107

20 7

307320

1260

1260

1360

200

300

400

500

600

640

1360

1454

1998

1960

540

230

330

430

530

630

680

14601860

88

640

54

154

220

60

1760

160

740

188

220

80

18 0

240

1660

380

480

540

100

200

1560

840

288

940

100

280

26 0

1600

1580

120

220

300

1480

140

240

280

1380

1040

388

1100419

A

BC

D

E

F

341-03

341-19

341-07

341-06

28513B

28513A

341-05

341-04

365-02

365-13

365-04

365-06

251-9

365-08

365-10

365-12

365-14

288-4

285-

10

288-5

960

960

1060

1060340

160

260

360

460

560580

1160

1160

160

260

360

460

560

620

440

1660

1760

186 0

19 60

107

20 7

307320

1260

1260

1360

200

300

400

500

600

640

1360

1454

1998

1960

540

230

330

430

530

630

680

14601860

88

640

54

154

220

60

1760

160

740

188

220

80

18 0

240

1660

380

480

540

100

200

1560

840

288

940

100

280

26 0

1600

1580

120

220

300

1480

140

240

280

1380

1040

388

1100419

A

BC

D

E

F

BLOCK : CB-ONN-2005/4

1. BLOCK AREA 31 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 285 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

3

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

0 2,000

MetersScale 1 : 100000

344-03

225

425

625

825

947

289-0170

270280

208-7 270

470

600

384-01

64

133 29219D

370

570

770

930

344-07

240

440

640

840

10401060

289-11

78

278

330

344-09

280

480

680

880

1000

384-02

28

130

289-1278

278309

289-13

78

278300

354-25

343

743760

384-03

28

142

302-7500

700

744

336-

21

651

851

955

336-22

681

881

980

289-3

76

276

425

344 -08

281

481

681

881

930

208-4

284

484

544

302-3

73

273

295 354-10

250

450

650

691

302-6

74

200

344-10

400

600

645

23 22 00

72 36 00 72 38 00 72 40 00543

23 20 00

23 2

2 00

23 2

0 00

72 36 00 72 38 00 72 40 00

A

B

CD

E

F

G

HI

KL-212

AMJ-1

LM-82

Block Boundary

Seismic Lines

LEGEND

Wells0 2,000

MetersScale 1 : 100000

0 2,000

MetersScale 1 : 100000

344-03

225

425

625

825

947

289-0170

270280

208-7 270

470

600

384-01

64

133 29219D

370

570

770

930

344-07

240

440

640

840

10401060

289-11

78

278

330

344-09

280

480

680

880

1000

384-02

28

130

289-1278

278309

289-13

78

278300

354-25

343

743760

384-03

28

142

302-7500

700

744

336-

21

651

851

955

336-22

681

881

980

289-3

76

276

425

344 -08

281

481

681

881

930

208-4

284

484

544

302-3

73

273

295 354-10

250

450

650

691

302-6

74

200

344-10

400

600

645

23 22 00

72 36 00 72 38 00 72 40 00543

23 20 00

23 2

2 00

23 2

0 00

72 36 00 72 38 00 72 40 00

A

B

CD

E

F

G

HI

KL-212

AMJ-1

LM-82

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL LIMODARA - 82

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~

~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~

~~~~

~~~~ ~~~~~~~~

~~~~~~~~~~~~

~~~~~~~~ ~~~~

~~~~~~~~

~~~~

~~~~~~~~ ~~~~

AGE FORMATION

DEPTH (m)

LITHOLOGY DESCRIPTION REMARKS

KB

R E

C E

N T

TO

M

I D

D L

E

M I

O C

E N

E

MID

. MIO

CEN

ETO

LR. M

IOC

ENE

LOW

ER

M

IOC

ENE

OLI

GO

CEN

ETO

UPP

ER

EOC

ENE

UPP

ER E

OC

ENE

TOM

IDDL

E E

OC

ENE

LOW

ER

EO

CEN

E

CAMBAYSHALE

K A

L O

LT

A R

A P

U R

BAB

AGUR

U

K A N D

P O

S T

K

A

N

D Alluvium, Sand, Silt

and Clay

Clay and Claystone

Sand and Clay

Shale, Sand, Siltstone

and Claystone

Shale, Siltstone,

Claystone and Coal

Shale, Siltstone and

Claystone

Yellow Fl. color

*Moderate Sol Cut

Golden Yellow fol

*Moderate to strong

Sol Cut

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~

~~ ~~ ~~ ~~ ~~~~ ~~ ~~ ~~~~ ~~ ~~ ~~ ~~

~~~~~~~~

~~~~~~~~ ~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~ ~~~~~~~~

~~~~~~~~~~~~~~~~

~~~~~~~~

~~~~~~~~~~~~~~~~ ~~~~~~~~

AGE FORMATION

DEPTH (m)

LITHOLOGY DESCRIPTION REMARKS

KB

R E

C E

N T

TO

M

I D

D L

E

M I

O C

E N

E

MID

. MIO

CEN

ETO

LR. M

IOC

ENE

LOW

ER

M

IOC

ENE

OLI

GO

CEN

ETO

UPP

ER

EOC

ENE

UPP

ER E

OC

ENE

TOM

IDDL

E E

OC

ENE

LOW

ER

EO

CEN

E

CAMBAYSHALE

K A

L O

LT

A R

A P

U R

BAB

AGUR

U

K A N D

P O

S T

K

A

N

D Alluvium, Sand, Silt

and Clay

Clay and Claystone

Sand and Clay

Shale, Sand, Siltstone

and Claystone

Shale, Siltstone,

Claystone and Coal

Shale, Siltstone and

Claystone

Yellow Fl. color

*Moderate Sol Cut

Golden Yellow fol

*Moderate to strong

Sol Cut

FAULT BOUNDED STRUCTURAL FEATURE (PROBABLY FAULT CLOSURE) INVOLVING

KALOL-KADI AND CAMBAY SHALE FORMATIONS.

4. INTERPRETED PLAY TYPE

800

1000

1200

1400

1600

1800

2000

900 8001000 700 600 500 400 300

LINE : 344 – 07 T

W T

I

N

M

S

SP

W E

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

F

F

344-03

225

425

625

82 5

947

289-0170

270280

208-7 270

470

600

384-01

64

133 29219D

370

570

770

930

344-07

240

440

640

840

1040106 0

289-11

78

278

330

344-09

280

480

680

880

1000

384-02

28

130

289-1278

278309

289-13

78

278300

354-25

343

743760

384-03

28

142

302-7500

700

744

336-

21

651

851

955

336-22

681

881

980

289-3

76

276

425

344-08

281

481

681

881

930

208-4

284

484

544

302-3

73

273

295 354-10

250

450

650

691

302-6

74

200

344-10

400

600

645

543

A

B

CD

E

F

G

HI

13

800

1000

1200

1400

1600

1800

2000

900 8001000 700 600 500 400 300

LINE : 344 – 07 T

W T

I

N

M

S

SP

W E

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

F

F

344-03

225

425

625

82 5

947

289-0170

270280

208-7 270

470

600

384-01

64

133 29219D

370

570

770

930

344-07

240

440

640

840

1040106 0

289-11

78

278

330

344-09

280

480

680

880

1000

384-02

28

130

289-1278

278309

289-13

78

278300

354-25

343

743760

384-03

28

142

302-7500

700

744

336-

21

651

851

955

336-22

681

881

980

289-3

76

276

425

344-08

281

481

681

881

930

208-4

284

484

544

302-3

73

273

295 354-10

250

450

650

691

302-6

74

200

344-10

400

600

645

543

A

B

CD

E

F

G

HI

13

BLOCK : CB-ONN-2005/5

1. BLOCK AREA 83 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 630 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

3

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

328-22

800

900

1000

11001168

328-21

777

877

977

10771085

328-24

797

897

1097

1201

328-07

403

503

603

703

803

328-20

773

973

1073

1173

1273

1373

332-03

880

108011801280138014801580168017801880

332-05

892

992

10921192

1292139214921592

169217921892

1948

334-27

15861686

178618861986

2086

2186

2286

2386

2453

334-25

100811081208

13081408

15081608

1708180819081952

207-15 231

331

431

445

332-19

112312231323

1423

1523

1723

18231836

332-20

702

802

902

1102

1202

1302

1402

332-18

563

663

763

863

963

1063

1163

1263

13631382

207-21

74

174

274

278

332-12

502

602

702

802

902

1002

1102

1202

1407

328-09

459

559

759

859

889

328-05

772

872

889

328-04

768

868

886328-02

776

876887

328-01

750

850

885

276-29

757

207-18

74

174

274

374384

276-36 132

232

532534

276-37132

232

332

432

536

276-38 232

332

432

532

618

276-39 232

332

432

532

632

276-40 232

332

432

532

632

720

276-41 232

332

432

532

632

676

276-42 132

232

432

532

332-14

103

203

403

503

603

703

803

903

1003

1103

1203

1303

1403

15031512

332-16

103

203

303

503

603

703

803

903

1003

1103

1203

1303

1403

1503

1560

207-16

74

174

274

374

394

23 00 0023 02 00

23 04 0023 06 00

23 08 0023 10 00

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00

888

659

997857

923

403

1450

1002

873

980

1972

303

1623

432

1302

332

605

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00

23 0

0 00

23 0

2 00

23 0

4 00

23 0

6 00

23 0

8 00

23 1

0 00

A

14731481

B C 332D

E F G

H I

J

KL

MN

OP

Q

Walod-4

Walod-3Walod-5

Block Boundary

Seismic Lines

LEGEND

Wells

328-22

800

900

1000

11001168

328-21

777

877

977

10771085

328-24

797

897

1097

1201

328-07

403

503

603

703

803

328-20

773

973

1073

1173

1273

1373

332-03

880

108011801280138014801580168017801880

332-05

892

992

10921192

1292139214921592

169217921892

1948

334-27

15861686

178618861986

2086

2186

2286

2386

2453

334-25

100811081208

13081408

15081608

1708180819081952

207-15 231

331

431

445

332-19

112312231323

1423

1523

1723

18231836

332-20

702

802

902

1102

1202

1302

1402

332-18

563

663

763

863

963

1063

1163

1263

13631382

207-21

74

174

274

278

332-12

502

602

702

802

902

1002

1102

1202

1407

328-09

459

559

759

859

889

328-05

772

872

889

328-04

768

868

886328-02

776

876887

328-01

750

850

885

276-29

757

207-18

74

174

274

374384

276-36 132

232

532534

276-37132

232

332

432

536

276-38 232

332

432

532

618

276-39 232

332

432

532

632

276-40 232

332

432

532

632

720

276-41 232

332

432

532

632

676

276-42 132

232

432

532

332-14

103

203

403

503

603

703

803

903

1003

1103

1203

1303

1403

15031512

332-16

103

203

303

503

603

703

803

903

1003

1103

1203

1303

1403

1503

1560

207-16

74

174

274

374

394

23 00 0023 02 00

23 04 0023 06 00

23 08 0023 10 00

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00

888

659

997857

923

403

1450

1002

873

980

1972

303

1623

432

1302

332

605

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00

23 0

0 00

23 0

2 00

23 0

4 00

23 0

6 00

23 0

8 00

23 1

0 00

A

14731481

B C 332D

E F G

H I

J

KL

MN

OP

Q

Walod-4

Walod-3Walod-5

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN NEARBY WELL

WALOD – 4

AGE FORMATION DEPTH(m)

LITHOLOGY DISCRIPTION REMARKS

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

R E

C E

N T

T

O

M I

D D

L E

M

I O

C E

N E

LOWERMIOCENE

OLIGOCENE

TO

UPPEREOCENE

UPP

ER E

OC

ENE

TO

MID

DLE

EO

CEN

E

LOWER

EOCENECAMBAYSHALE

K

A

L

O

LT

A R

A P

U R

BAB

AG

URU

P

O

S

T

K

A

N

D

~~~~ ~~~~~~ ~~~~~~ ~~

~~

~~~~

~~~~

~~

Sand, Gravel, Clay and

Claystone

Clay and Claystone

Shale, SiltyShale and

Siltstone

Shale, SiltyShale, Coal

and Siltstone

Shale and Siltstone

Golden Yellow Fol.

*

Yellow Fol.

*Moderate Sol. Cut

DD : 1600m

AGE FORMATION DEPTH(m)

LITHOLOGY DISCRIPTION REMARKS

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

R E

C E

N T

T

O

M I

D D

L E

M

I O

C E

N E

LOWERMIOCENE

OLIGOCENE

TO

UPPEREOCENE

UPP

ER E

OC

ENE

TO

MID

DLE

EO

CEN

E

LOWER

EOCENECAMBAYSHALE

K

A

L

O

LT

A R

A P

U R

BAB

AG

URU

P

O

S

T

K

A

N

D

~~~~ ~~~~~~ ~~~~~~ ~~

~~

~~~~

~~~~

~~

Sand, Gravel, Clay and

Claystone

Clay and Claystone

Shale, SiltyShale and

Siltstone

Shale, SiltyShale, Coal

and Siltstone

Shale and Siltstone

Golden Yellow Fol.

*

Yellow Fol.

*Moderate Sol. Cut

DD : 1600m

A LOW AMPLITUDE STRUCTURAL FEATURE INVOLVING KALOL-KADI AND CAMBAY SHALE FORMATIONS IS OBSERVED.

4. INTERPRETED PLAY TYPE

3250

1000

1250

1500

1750

2000

2250

2500

2750

3000

750

1800 17001900 1500 14001600 1200 11001300 1000

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

LINE : 332 – 05 T

W T

I

N

M

S

SP

W E

328-22

800

900

10 00

11 001168

328-21

777

877

97 7

10 7710 85

328-24

797

89 7

1097

1201

328-07

403

503

603

703

803

328-20

773

973

10 73

11 73

12 73

137 3

332-03

880

108011801280138014 801580168017801880

332-05

892

992

10921192129213921492159216 92179218921948

334-27

158616861786

1886198620862186

2286

2386

2453

334-25

1008110812 08

130 814 08150 8160 8

1 7081 8081 908195 2

207-15 231

331

431

445

332-19

112312231323

14 23

1523

1723

18 2318 36

332-20

702

802

902

1102

1202

1302

1402

332-18

563

663

763

863

963

1063

1163

1263

13631382

207-21

74

174

274

278

332-12

502

602

702

802

902

1002

1102

1202

1407

328-09

459

559

759

859

889

328-05

772

872

889

328-04

768

868

886

328-02

776

876887

328-01

750

850

885

276-29

757

207-18

74

174

274

374

384

276-36 132

232

532534

276-37 132

232

332

432

536

276-38 132

232

332

432

532

618

276-39 132

232

332

432

532

632

276-40 132

232

332

432

532

632

720

276-41 132

232

332

432

532

632

676

276-42 132

232

432

532

332-14

103

203

403

503

603

703

803

903

1003

1103

1203

1303

1403

15031512

332-16

103

203

303

503

603

703

803

903

1003

1103

1203

1303

1403

1503

1560

207-16

74

174

274

374

394888

659

997857

923

403

1450

1002

873

980

1972

303

1623

432

1302

332

605

A

147314 81

B C 332D

E F G

H I

J

KL

MN

OP

Q

9

3250

1000

1250

1500

1750

2000

2250

2500

2750

3000

750

1800 17001900 1500 14001600 1200 11001300 1000

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

LINE : 332 – 05 T

W T

I

N

M

S

SP

W E

328-22

800

900

10 00

11 001168

328-21

777

877

97 7

10 7710 85

328-24

797

89 7

1097

1201

328-07

403

503

603

703

803

328-20

773

973

10 73

11 73

12 73

137 3

332-03

880

108011801280138014 801580168017801880

332-05

892

992

10921192129213921492159216 92179218921948

334-27

158616861786

1886198620862186

2286

2386

2453

334-25

100811081208

1308140815081608

1708180819081952

207-15 231

331

431

445

332-19

112312231323

14 23

1523

1723

18 2318 36

332-20

702

802

902

1102

1202

1302

1402

332 -18

563

663

763

863

963

1063

1163

1263

13631382

207-21

74

174

274

278

332-12

502

602

702

802

902

1002

1102

1202

1407

328-09

459

559

759

859

889

328-05

772

872

889

328-04

768

868

886

328-02

776

876887

328-01

750

850

885

276-29

757

207-18

74

174

274

374

384

276-36 132

232

532534

276-37 132

232

332

432

536

276-38 132

232

332

432

532

618

276-39 132

232

332

432

532

632

276-40 132

232

332

432

532

632

720

276-41 132

232

332

432

532

632

676

276-42 132

232

432

532

332-14

103

203

403

503

603

703

803

903

1003

1103

1203

1303

1403

15031512

332-16

103

203

303

503

603

703

803

903

1003

1103

1203

1303

1403

1503

1560

207-16

74

174

274

374

394888

659

997857

923

403

1450

1002

873

980

1972

303

1623

432

1302

332

605

A

147314 81

B C 332D

E F G

H I

J

KL

MN

OP

Q

9

BLOCK : CB-ONN-2005/6

1. BLOCK AREA 102 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 120 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

Nil

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

276-2

68

168

268

368

468470

69

169

269

369

276-28

501

601

701

801

835

393-04458

558

658

758

829

284-23C

386

486

586

686

721417-03

1

101

185

292-06

1388

1488

1588

1633

417-04

1

101

201

301

352

417-13

1

101

201

256

417-

22

295

395

495

537

417-2

3

270

370

470

512

23 00 0023 02 00

23 04 0023 06 00

23 08 0023 10 00

72 28 00 72 30 00 72 32 00 72 34 00 72 36 00

472469

72 28 00 72 30 00 72 32 00 72 34 00 72 36 00

23 0

0 00

23 0

2 00

23 0

4 00

23 0

6 00

23 0

8 00

23 1

0 00

Block Boundary

Seismic Lines

LEGEND

AB

C

D E

FG

H

IJ

K

L

M

N

O

PQ

276-3

276-2

68

168

268

368

468470

69

169

269

369

276-28

501

601

701

801

835

393-04458

558

658

758

829

284-23C

386

486

586

686

721417-03

1

101

185

292-06

1388

1488

1588

1633

417-04

1

101

201

301

352

417-13

1

101

201

256

417-

22

295

395

495

537

417-2

3

270

370

470

512

23 00 0023 02 00

23 04 0023 06 00

23 08 0023 10 00

72 28 00 72 30 00 72 32 00 72 34 00 72 36 00

472469

72 28 00 72 30 00 72 32 00 72 34 00 72 36 00

23 0

0 00

23 0

2 00

23 0

4 00

23 0

6 00

23 0

8 00

23 1

0 00

Block Boundary

Seismic Lines

LEGEND

Block Boundary

Seismic Lines

LEGEND

Block Boundary

Seismic Lines

LEGEND

AB

C

D E

FG

H

IJ

K

L

M

N

O

PQ

276-3

A CONSPICOUS ANTICLINAL FEATURE (PROSPECT) INVOLVING KALOL-KADI AND

CAMBAY SHALE FORMATIONS IS OBSERVED NE OF SP 250.

3. INTERPRETED PLAY TYPE

1000

1200

1400

1600

1800

2000

150 200 250 300 350 400 450

F

F

LINE : 276-2

T W

T

I N

M S

SP

SW NE

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

276-2

68

168

268

368

468470

69

169

269

369

27 6- 28

501

601

701

801

835

393-04458

558

658

758

829

284-23C

386

486

586

686

721417-03

1

101

185

292-06

1388

1488

1588

1633

417-04

1

101

201

301

352

417-13

1

101

201

256

417-2

2

295

395

495

537

417-

23

270

370

470

512

472469

AB

C

D E

FG

H

IJ

K

L

M

N

O

PQ

276-3

1000

1200

1400

1600

1800

2000

150 200 250 300 350 400 450

F

F

LINE : 276-2

T W

T

I N

M S

SP

SW NE

NEAR TOP OF KALOL FM

NEAR TOP OF CAMBAY SHALE

276-2

68

168

268

368

468470

69

169

269

369

27 6- 28

501

601

701

801

835

393-04458

558

658

758

829

284-23C

386

486

586

686

721417-03

1

101

185

292-06

1388

1488

1588

1633

417-04

1

101

201

301

352

417-13

1

101

201

256

417-2

2

295

395

495

537

417-

23

270

370

470

512

472469

AB

C

D E

FG

H

IJ

K

L

M

N

O

PQ

276-3

BLOCK : CB-ONN-2005/7

1. BLOCK AREA 200 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 550 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

4

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

242-27

400

500

566

242-22

51

151

186

242-23

55

155

197

242-28

412

512

568

242-25

415

515

580

242-24

52

152158

242-14

270

370

470

570578

242-16

251

351

451

513

242-05

52

152

252

352

452

552

651

243-12

50

150

250

350

450

550562

194-326

126

226

326

426

526

622

204-10260

360

460

560

660

700

204-2 180

280

380

480

580

680704

204-4

38

138

238

338

438

496

204-5

37

137

237

337

437

482

204-7 440

540

640

740

840

912

243-02

160

260

360

460

560

660

680

243-10

52

152

252270243-14

60

160

260265

243- 15470

570

640

243-16

60

160

260

243-18

50

150

250295

243-20

50

150

250

280

243-22 240

140

50

243-24

56

156

250

243-

25

53

153

253

353

453

553

600

243-26

52

152

252260

243-3

626

526

426

326

226

126

52

243-8

50

130

361-07

52

152

230

361-01

335

435

535

635

735

758

361-09

35

135

235

310

361-11

41

141

241

341

385

361-12

29

129

229

329

429

460

27

110

361-14

30

130

230

330

430450

31

131

231

331

431450

361-16

20

120

220

320

420450

361-17

21

121

221

321

421

450

361-18

110

210

310

410

450

361-19

315

415

515

615

649

379-24

27

127

227

235

361-03

35

135

220

361-05

38

138

180363-09

940

1040

1140

1240

1340

1440

1540

1640

1740

1840

1880

363-09A

550

650

730

21 52 0021 54 00

21 56 0021 58 00

22 00 0022 02 00

22 04 00

72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00

361-15

361-13

73 16 00

21 5

2 00

21 5

4 00

21 5

6 00

21 5

8 00

22 0

0 00

22 0

2 00

22 0

4 00

72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00 73 16 00

ATALI WEST-1

ATALI -1

MATAR-5

MATAR-3

MIYAGAM-1

Block Boundary

Seismic Lines

LEGEND

Wells

AB

C

D

E

FG H

I J

K

242-27

400

500

566

242-22

51

151

186

242-23

55

155

197

242-28

412

512

568

242-25

415

515

580

242-24

52

152158

242-14

270

370

470

570578

242-16

251

351

451

513

242-05

52

152

252

352

452

552

651

243-12

50

150

250

350

450

550562

194-326

126

226

326

426

526

622

204-10260

360

460

560

660

700

204-2 180

280

380

480

580

680704

204-4

38

138

238

338

438

496

204-5

37

137

237

337

437

482

204-7 440

540

640

740

840

912

243-02

160

260

360

460

560

660

680

243-10

52

152

252270243-14

60

160

260265

243- 15470

570

640

243-16

60

160

260

243-18

50

150

250295

243-20

50

150

250

280

243-22 240

140

50

243-24

56

156

250

243-

25

53

153

253

353

453

553

600

243-26

52

152

252260

243-3

626

526

426

326

226

126

52

243-8

50

130

361-07

52

152

230

361-01

335

435

535

635

735

758

361-09

35

135

235

310

361-11

41

141

241

341

385

361-12

29

129

229

329

429

460

27

110

361-14

30

130

230

330

430450

31

131

231

331

431450

361-16

20

120

220

320

420450

361-17

21

121

221

321

421

450

361-18

110

210

310

410

450

361-19

315

415

515

615

649

379-24

27

127

227

235

361-03

35

135

220

361-05

38

138

180363-09

940

1040

1140

1240

1340

1440

1540

1640

1740

1840

1880

363-09A

550

650

730

21 52 0021 54 00

21 56 0021 58 00

22 00 0022 02 00

22 04 00

72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00

361-15

361-13

73 16 00

21 5

2 00

21 5

4 00

21 5

6 00

21 5

8 00

22 0

0 00

22 0

2 00

22 0

4 00

72 58 00 73 00 00 73 02 00 73 04 00 73 06 00 73 08 00 73 10 00 73 12 00 73 14 00 73 16 00

ATALI WEST-1

ATALI -1

MATAR-5

MATAR-3

MIYAGAM-1

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

AB

C

D

E

FG H

I J

K

A STRUCTURAL HIGH INVOLVING OLPAD AND CAMBAY SHALE BETWEEN SP 1425-1700 AND AN ANTICLINAL INVERSION STRUCTURE INVOLVING OLPAD AND YOUNGER STRATA BETWEEN SP 1250-1450.

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL ATALI WEST-1

4. INTERPRETED PLAY TYPE

AGE FORMATION DEPTH (M)

LITHOLOGY DISCRIPTION REMARKS

PLEI

STO

CEN

EPL

IOC

ENE

Upp. Miocene – Mid.Miocene

Mid

. M

ioce

ne –

Low

. M

ioce

ne

Lower Miocene

Low. Miocene –upp. Oligocene

Uppe

r Eo

cene

–M

iddl

e Eo

cene

Lower Eocene – Paleocene

Paleocene to Upp.

CretaceousTrap

Cambay Shale

Tarkeswar

Babaguru

Ankleshwar

Kand

Jhagadia

Broach

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

Sand and Clay

Clay, Claystone, Sand and Shale

Shale and Sand

Sand and Shale

Claystone, Sand and Shale

Coal, Shale and Sand

DD : 1500 M

No fluorescenceNo Cut

AGE FORMATION DEPTH (M)

LITHOLOGY DISCRIPTION REMARKS

PLEI

STO

CEN

EPL

IOC

ENE

Upp. Miocene – Mid.Miocene

Mid

. M

ioce

ne –

Low

. M

ioce

ne

Lower Miocene

Low. Miocene –upp. Oligocene

Uppe

r Eo

cene

–M

iddl

e Eo

cene

Lower Eocene – Paleocene

Paleocene to Upp.

CretaceousTrap

Cambay Shale

Tarkeswar

Babaguru

Ankleshwar

Kand

Jhagadia

Broach

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

Sand and Clay

Clay, Claystone, Sand and Shale

Shale and Sand

Sand and Shale

Claystone, Sand and Shale

Coal, Shale and Sand

DD : 1500 M

No fluorescenceNo Cut

600

800

1000

1200

1400

1600

1800

2000

1100 1200 1300 1400 1500 1600 1700 1800

LINE : 363 – 09

T W

T

I N

M S

SP

N S

NEAR ANKLESHWAR TOP

NEAR CAMBAY SHALE TOP

BASEMENT TOP

F

F

242-27

400

500

566

242-22

51

151

186

242-23

55

155

197

242-28

412

512

568

242-25

415

515

580

242-24

52

152158

242-14

70

170

270

370

470

570578

242-16

51

151

251

351

451

513

242-05

52

152

252

352

452

552

651

243-12

50

150

250

350

450

550562

194-3 26

126

226

326

426

526

622

204-10 260

360

460

560

660

700

204-2 180

280

380

480

580

680704

204-4

38

138

238

338

438

496

204-5

37

137

237

337

437

482

204-7 440

540

640

740

840

912

243-02

160

260

360

460

560

660

680

243-10

52

152

252270243-14

60

160

260265

243-15

470

570

640

243-16

60

160

260

243-18

50

150

250295

243-20

50

150

250

280

243-22 240

140

50

243-24

56

156

250

243-

25

53

153

253

353

453

553

600

243-26

52

152

252260

243-3

626

526

426

326

226

126

52

243-8

50

130

361-07

52

152

230

361-01

335

435

535

635

735

758

361-09 35

135

235

310

361-11

41

141

241

341

385

361-12

29

129

229

329

429

460

27

110

361-14

30

130

230

330

430450

31

131

231

331

431450

361-16

20

120

220

320

420450

361-17

21

121

221

321

421

450

361-18

110

210

310

410

450

361-19

315

415

515

615

649

379-24

27

127

227

235

361-03

35

135

220

361-05

38

138

180

363-09

940

1040

1140

1240

1340

1440

1540

1640

1740

1840

1880

363-09A

550

650

730

361-15

361-13

600

800

1000

1200

1400

1600

1800

2000

1100 1200 1300 1400 1500 1600 1700 1800

LINE : 363 – 09

T W

T

I N

M S

SP

N S

NEAR ANKLESHWAR TOP

NEAR CAMBAY SHALE TOP

BASEMENT TOP

F

F

242-27

400

500

566

242-22

51

151

186

242-23

55

155

197

242-28

412

512

568

242-25

415

515

580

242-24

52

152158

242-14

70

170

270

370

470

570578

242-16

51

151

251

351

451

513

242-05

52

152

252

352

452

552

651

243-12

50

150

250

350

450

550562

194-3 26

126

226

326

426

526

622

204-10 260

360

460

560

660

700

204-2 180

280

380

480

580

680704

204-4

38

138

238

338

438

496

204-5

37

137

237

337

437

482

204-7 440

540

640

740

840

912

243-02

160

260

360

460

560

660

680

243-10

52

152

252270243-14

60

160

260265

243-15

470

570

640

243-16

60

160

260

243-18

50

150

250295

243-20

50

150

250

280

243-22 240

140

50

243-24

56

156

250

243-

25

53

153

253

353

453

553

600

243-26

52

152

252260

243-3

626

526

426

326

226

126

52

243-8

50

130

361-07

52

152

230

361-01

335

435

535

635

735

758

361-09 35

135

235

310

361-11

41

141

241

341

385

361-12

29

129

229

329

429

460

27

110

361-14

30

130

230

330

430450

31

131

231

331

431450

361-16

20

120

220

320

420450

361-17

21

121

221

321

421

450

361-18

110

210

310

410

450

361-19

315

415

515

615

649

379-24

27

127

227

235

361-03

35

135

220

361-05

38

138

180

363-09

940

1040

1140

1240

1340

1440

1540

1640

1740

1840

1880

363-09A

550

650

730

361-15

361-13

BLOCK : CB-ONN-2005/8

1. BLOCK AREA 133 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 650 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

1

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

243-3

149

52

243-

25

600

700711

204-10

261

361

430

243-4

122

222

295

204-7

440

540

615 258-25617

717

817

917

1012

204-9

180

280

370

258-23

980

880

780

680

601

258-29

574

674

774

874

974

988258-28

594

694

794

894

992

258-26585

685

785

885

9851028

204-05

300

400

482

258-24542

642

742

842

942

258-3

352

452

552

652

752

852

952

1052

1160

258-21

373

473

573

673

773

873880

258-19

412

512

612

712

812

912

10121058

258-5

372

472

510

258-9

331

431

531

631

731

831

931

1031

1133

258-11

340

440

540

640

740

840

940

10401110

258-17

440

540

640

740

840

940

10401060

258-20378

478

578

678

778

878

978

1078

1178

1278

1378

1478

15781626

258-18427

527

627727

827

908

258-16440

540

640

740

840

940956

258-14420

520

620

720

820

920

991

258-12

452

552

652

752

836

273-14

370

470

570

670

770

866

273-13

335

435

535

635

735

810

273-12

335

435

535

635

735760

273-11

320

420

520

690

273-10

295

395

590

273-20

102

202302

402502550

273-654

154

254

354

454

600

258-27

80

180

280

380

531

273-22

102

202

302

402

502

630

204-11

200

300

403

258-07

428

528

628

728

828

928

1028

1128

1208

273-16

104

204

304

404435

273-19

164

264

320

273-21

102

202

302

402

502

627

273-5

360

460

273-7

110

210

310

410

510545

273-8

206

306332

24315A

50

150

240

21 42 0021 44 00

21 46 0021 48 00

21 50 0021 52 00

21 54 00

73 04 00 73 06 00 73 08 00 73 10 00 73 12 00

962

480

620

495

602602

554

476

73 02 00

73 04 00 73 06 00 73 08 00 73 10 00 73 12 0073 02 00

21 4

2 00

21 4

4 00

21 4

6 00

21 4

8 00

21 5

0 00

21 5

2 00

21 5

4 00

A

B

C

D

E F

G

H

I

J

JEAA-1

Block Boundary

Seismic Lines

LEGEND

Wells

243-3

149

52

243-

25

600

700711

204-10

261

361

430

243-4

122

222

295

204-7

440

540

615 258-25617

717

817

917

1012

204-9

180

280

370

258-23

980

880

780

680

601

258-29

574

674

774

874

974

988258-28

594

694

794

894

992

258-26585

685

785

885

9851028

204-05

300

400

482

258-24542

642

742

842

942

258-3

352

452

552

652

752

852

952

1052

1160

258-21

373

473

573

673

773

873880

258-19

412

512

612

712

812

912

10121058

258-5

372

472

510

258-9

331

431

531

631

731

831

931

1031

1133

258-11

340

440

540

640

740

840

940

10401110

258-17

440

540

640

740

840

940

10401060

258-20378

478

578

678

778

878

978

1078

1178

1278

1378

1478

15781626

258-18427

527

627727

827

908

258-16440

540

640

740

840

940956

258-14420

520

620

720

820

920

991

258-12

452

552

652

752

836

273-14

370

470

570

670

770

866

273-13

335

435

535

635

735

810

273-12

335

435

535

635

735760

273-11

320

420

520

690

273-10

295

395

590

273-20

102

202302

402502550

273-654

154

254

354

454

600

258-27

80

180

280

380

531

273-22

102

202

302

402

502

630

204-11

200

300

403

258-07

428

528

628

728

828

928

1028

1128

1208

273-16

104

204

304

404435

273-19

164

264

320

273-21

102

202

302

402

502

627

273-5

360

460

273-7

110

210

310

410

510545

273-8

206

306332

24315A

50

150

240

21 42 0021 44 00

21 46 0021 48 00

21 50 0021 52 00

21 54 00

73 04 00 73 06 00 73 08 00 73 10 00 73 12 00

962

480

620

495

602602

554

476

73 02 00

73 04 00 73 06 00 73 08 00 73 10 00 73 12 0073 02 00

21 4

2 00

21 4

4 00

21 4

6 00

21 4

8 00

21 5

0 00

21 5

2 00

21 5

4 00

A

B

C

D

E F

G

H

I

J

JEAA-1

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

TWO FAULT BOUNDED STRUCTURAL HIGHS INVOLVING ANKLESHWAR AND OLPAD FORMATIONS SW OF SP 850.

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL JENOR-1 (JEAA)

4. INTERPRETED PLAY TYPE

AGE FORMATION DEPTH (M) LITHOLOGY

200

400

600

800

MIO

CEN

E A

ND

PO

ST M

IOC

ENE

POST

D

ADH

AR

OLIGOCENE DADHAR

UPPER TO MID EOCENE

PALEOCENE

ANKLESHWAR

OLPAD

TELW A

ARDOLKANW AHAZ AD

1000

1200

1400

1600

1800

DD : 1940 M

1695

175117561840

18671844.5

95/8” CSG AT 696.50 M

DESCRIPTIONAGE FORMATION DEPTH (M) LITHOLOGY

200

400

600

800

MIO

CEN

E A

ND

PO

ST M

IOC

ENE

POST

D

ADH

AR

OLIGOCENE DADHAR

UPPER TO MID EOCENE

PALEOCENE

ANKLESHWAR

OLPAD

TELW A

ARDOLKANW AHAZ AD

1000

1200

1400

1600

1800

DD : 1940 M

1695

175117561840

18671844.5

95/8” CSG AT 696.50 M

DESCRIPTION

1400

1600

1200

2000

2200

1800

2400

2600

1500 1300 1100 900 800 500LINE : 258 – 20

T W

T

I N

M S

SPSW NE

ANKLESHWAR TOP

OLPAD TOP

BASEMENT TOP

WELL: JENORI – 1

243-3

149

52

243-

25

600

700711

204-10

261

361

430

243-4

122

222

295

204-7

440

5 40

615 258-25

617

717

81 7

917

10 12

204-9

180

280

370

258-23

98 0

880

7 80

6 80

6 01

258-29

574

674

774

874

9 74

988

258-28

594

694

7 94

8 94

992

258-26585

68 5

785

885

9 851028

204-05

300

400

482

258-24542

642

742

842

94 2

258-3

352

452

552

652

752

852

952

1052

1160

258-21

373

473

573

673

773

873880

258-19

412

512

612

712

812

912

10121058

258-5

372

472

510

258-9

331

431

531

631

731

831

931

1031

1133

258-11

340

440

540

640

740

840

940

10401110

258-17

440

540

640

740

840

940

10401060

258-20

378

478

578

678

77 8

878

97 8

107 8

11 78

127 8

137 8

1478

157 81626

258-18427

527

627727

827

908

258-16440

540

64 0

740

840

9409 56

258-14420

520

620

720

820

92 0

991

258-12

452

552

6 52

752

8 36

273-14

370

470

570

670

770

866

273-13

335

435

535

635

735

810

273-12

335

435

535

635

735760

273-11

320

420

520

690

273-10

295

395

590

273-20

102

2023 02

4 02502550

273-654

154

254

35 4

45 4

600

258-27

80

180

2 80380

531

273-22

102

202

302

402

502

630

204-11

200

300

403

258-07

428

528

628

728

828

928

1028

1128

1208

273-16

104

204

304

404435

273-19

164

264

320

273-21

102

202

302

402

502

627

273-5

360

460

273-7

110

210

310

410

510545

273-8

206

306332

24315A

50

150

240

962

480

620

495

602602

5 54

476

A

B

C

D

E F

G

H

I

J

F

F

1400

1600

1200

2000

2200

1800

2400

2600

1500 1300 1100 900 800 500LINE : 258 – 20

T W

T

I N

M S

SPSW NE

ANKLESHWAR TOP

OLPAD TOP

BASEMENT TOP

WELL: JENORI – 1

243-3

149

52

243-

25

600

700711

204-10

261

361

430

243-4

122

222

295

204-7

440

5 40

615 258-25

617

717

81 7

917

10 12

204-9

180

280

370

258-23

98 0

880

7 80

6 80

6 01

258-29

574

674

774

874

9 74

988

258-28

594

694

7 94

8 94

992

258-26585

68 5

785

885

9 851028

204-05

300

400

482

258-24542

642

742

842

94 2

258-3

352

452

552

652

752

852

952

1052

1160

258-21

373

473

573

673

773

873880

258-19

412

512

612

712

812

912

10121058

258-5

372

472

510

258-9

331

431

531

631

731

831

931

1031

1133

258-11

340

440

540

640

740

840

940

10401110

258-17

440

540

640

740

840

940

10401060

258-20

378

478

578

678

77 8

878

97 8

107 8

11 78

127 8

137 8

1478

157 81626

258-18427

527

627727

827

908

258-16440

540

64 0

740

840

9409 56

258-14420

520

620

720

820

92 0

991

258-12

452

552

6 52

752

8 36

273-14

370

470

570

670

770

866

273-13

335

435

535

635

735

810

273-12

335

435

535

635

735760

273-11

320

420

520

690

273-10

295

395

590

273-20

102

2023 02

4 02502550

273-654

154

254

35 4

45 4

600

258-27

80

180

2 80380

531

273-22

102

202

302

402

502

630

204-11

200

300

403

258-07

428

528

628

728

828

928

1028

1128

1208

273-16

104

204

304

404435

273-19

164

264

320

273-21

102

202

302

402

502

627

273-5

360

460

273-7

110

210

310

410

510545

273-8

206

306332

24315A

50

150

240

962

480

620

495

602602

5 54

476

A

B

C

D

E F

G

H

I

J

F

F

BLOCK : CB-ONN-2005/9

1. BLOCK AREA 170 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 700 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

1

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

310-53B460

560

660

760

860

9601060

11601265

229-15

200

300

400

500

600

700718

229-13

180

280

380

480

580

680

732310-55B

410510

610710

810

910

10101106

278-7

102

202

302

402

502530

273-10

316

416

516

616

716

816831

273-11

467

567

667

767

864

273-12

456

556

656

756

848

273-13

468

568

668

768

868

968

10681094

273-22

483

683

762

258-27

238

338

438

538

638

680

273-6

375475

575

675

775

826

258-20

1404

1504

1704

1804

1829

273-20

412

512

612

712

812841

204-7A 38

138

238

338

438

470

243-17

50

150

250

350

450

550

643

243-7

50

150

250

350

450

550

650665

243-9

56

156

256

356

456

556

656

698

273-1

502

602

702

802

902

1002

1072

273-15

460

560

660

760

860

960

1060

1160

1195

273-17

660

760

860912

273-18

400

500

600

700

800

900

10001100

12001245

273-3

510

610

710

810

910

101011101142

273-4

410

510

610

710

810

910

1010

11101128

273-9

610

710

810823

A_204-7

38

138

220

A_243-02

1000

1100

1200

1300

1375

A_243-10

590

690

790

890

948

A_243-14

580

680

780

880

920

A_243-16

575

675

775

875

961

A_243-18

625

725

825

925

971

A_243-20

540

640

740

840

940965

A_243-22

1012

912

812

712

612

512

A_243-24

560

660

760

860

964

A_243-26

480

580

680

780

880

931

A_243-4

510

610

710

810

910

951

A_243-8

345

445

545

645

745

796

A_273-2

730

830

930

1030

1130

1230

1330

1430

1534

21 42 0021 44 00

21 46 0021 48 00

21 50 0021 52 00

21 54 0021 56 00

21 58 00

72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00

525

425440

450460

900

475480

490

402

630

510

1604

583

73 06 00

72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00 73 06 00

21 4

2 00

21 4

4 00

21 4

6 00

21 4

8 00

21 5

0 00

21 5

2 00

21 5

4 00

21 5

6 00

21 5

8 00

G H

F

I

A

B

C

D

E

Broach-6

Block Boundary

Seismic Lines

LEGEND

Wells

310-53B460

560

660

760

860

9601060

11601265

229-15

200

300

400

500

600

700718

229-13

180

280

380

480

580

680

732310-55B

410510

610710

810

910

10101106

278-7

102

202

302

402

502530

273-10

316

416

516

616

716

816831

273-11

467

567

667

767

864

273-12

456

556

656

756

848

273-13

468

568

668

768

868

968

10681094

273-22

483

683

762

258-27

238

338

438

538

638

680

273-6

375475

575

675

775

826

258-20

1404

1504

1704

1804

1829

273-20

412

512

612

712

812841

204-7A 38

138

238

338

438

470

243-17

50

150

250

350

450

550

643

243-7

50

150

250

350

450

550

650665

243-9

56

156

256

356

456

556

656

698

273-1

502

602

702

802

902

1002

1072

273-15

460

560

660

760

860

960

1060

1160

1195

273-17

660

760

860912

273-18

400

500

600

700

800

900

10001100

12001245

273-3

510

610

710

810

910

101011101142

273-4

410

510

610

710

810

910

1010

11101128

273-9

610

710

810823

A_204-7

38

138

220

A_243-02

1000

1100

1200

1300

1375

A_243-10

590

690

790

890

948

A_243-14

580

680

780

880

920

A_243-16

575

675

775

875

961

A_243-18

625

725

825

925

971

A_243-20

540

640

740

840

940965

A_243-22

1012

912

812

712

612

512

A_243-24

560

660

760

860

964

A_243-26

480

580

680

780

880

931

A_243-4

510

610

710

810

910

951

A_243-8

345

445

545

645

745

796

A_273-2

730

830

930

1030

1130

1230

1330

1430

1534

21 42 0021 44 00

21 46 0021 48 00

21 50 0021 52 00

21 54 0021 56 00

21 58 00

72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00

525

425440

450460

900

475480

490

402

630

510

1604

583

73 06 00

72 54 00 72 56 00 72 58 00 73 00 00 73 02 00 73 04 00 73 06 00

21 4

2 00

21 4

4 00

21 4

6 00

21 4

8 00

21 5

0 00

21 5

2 00

21 5

4 00

21 5

6 00

21 5

8 00

G H

F

I

A

B

C

D

E

Broach-6

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

A STRATIGRAPHIC PINCHOUT, INVOLVING BASAL PART OF OLPAD FORMATION, AND AN ANTICLINAL FEATURE INVOLVING ANKLESHWAR AND OLPAD FORMATIONS.

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL BROACH-6

4. INTERPRETED PLAY TYPE

~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~

AGE FORMATIONDEPTH (M)

LITHOLOGY DISCRIPTION

AGE

1000

2000

3000

M I

O C

E N

E

-R

E C

E N

TEO

CEN

EM

ID -

LATE

EAR

LY

GUJARAT ALLUVIUM

JAMBUSAR

BROACH

JHAGADIA

KAND

BABAGURU

TARKESHWAR

DADHAR

ANKLESHWAR

CAMBAY SHALE

Alluvium, Clay / Claystone, Gravel, Sand and Shale

Sand, Shale

Sand, Shale

Shale with Minor Sand

TD : 3302.38 m

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~

AGE FORMATIONDEPTH (M)

LITHOLOGY DISCRIPTION

AGE

1000

2000

3000

M I

O C

E N

E

-R

E C

E N

TEO

CEN

EM

ID -

LATE

EAR

LY

GUJARAT ALLUVIUM

JAMBUSAR

BROACH

JHAGADIA

KAND

BABAGURU

TARKESHWAR

DADHAR

ANKLESHWAR

CAMBAY SHALE

Alluvium, Clay / Claystone, Gravel, Sand and Shale

Sand, Shale

Sand, Shale

Shale with Minor Sand

TD : 3302.38 m

1500

1750

2000

2250

2500

2750

3000

3250

3500

1400 1300 1200 1100 1000 900 800 700LINE : A_273-2

T W

T

I N

M S

SP

NNW SSE

ANKLESHWAR TOP

OLPAD TOP

BASEMENT TOP

310-53B460

560

660

760

860

9601060

11601265

229-15

200

300

400

500

600

700718

229-13

180

280

380

480

580

680

732

310-55B

410

510

610

710

810

910

10 101 106

278-7

102

202

302

402

502530

273-10

316

416

516

616

716

816831

273-11

467

567

667

767

864

273-12

456

556

656

756

848

273-13

468

568

668

768

868

968

10681094

273-22

483

683

762

258-27

238

3 38

43 8

5 38

63 8

68 0

273-6

37547 5

5 75

675

775826

258-20

1404

150 4

170 4

18 041 829

273-20

412

5 12

612

71 2

81 28 41

204-7A 38

138

238

338

438

470

243-17

50

150

250

350

450

550

643

243-7

50

150

250

350

450

550

650665

243-9

56

156

256

356

456

556

656

698

273-1

502

602

702

802

902

1002

1072

273-15

460

560

660

760

860

960

1060

1160

1195

273-17

660

760

860

912

273-18

400

500

600

700

800

900

1000

1100

12001245

273-3

510

610

710

810

910

1010

11101142

273-4

410

510

610

710

810

910

1010

11101128

273-9

610

710

810823

A_204-7

38

138

220

A_243-02

1000

1100

1200

1300

1375

A_243-10

590

690

790

890

948

A_243-14

580

680

780

880

920

A_243-16

575

675

775

875

961

A_243-18

625

725

825

925

971

A_243-20

540

640

740

840

940965

A_243-22

1012

912

812

712

612

512

A_243-24

560

660

760

860

964

A_243-26

480

580

680

780

880

931

A_243-4

510

610

710

810

910

951

A_243-8

345

445

545

645

745

796

A_273-2

730

830

930

1030

1130

1230

1330

1430

1534

525

425440

450460

900

475480

490

402

630

510

1604

583

GH

F

I

A

B

C

D

E

F

FPINCHOUT PROSPECT

1500

1750

2000

2250

2500

2750

3000

3250

3500

1400 1300 1200 1100 1000 900 800 700LINE : A_273-2

T W

T

I N

M S

SP

NNW SSE

ANKLESHWAR TOP

OLPAD TOP

BASEMENT TOP

310-53B460

560

660

760

860

9601060

11601265

229-15

200

300

400

500

600

700718

229-13

180

280

380

480

580

680

732

310-55B

410

510

610

710

810

910

10 101 106

278-7

102

202

302

402

502530

273-10

316

416

516

616

716

816831

273-11

467

567

667

767

864

273-12

456

556

656

756

848

273-13

468

568

668

768

868

968

10681094

273-22

483

683

762

258-27

238

3 38

43 8

5 38

63 8

68 0

273-6

37547 5

5 75

675

775826

258-20

1404

150 4

170 4

18 041 829

273-20

412

5 12

612

71 2

81 28 41

204-7A 38

138

238

338

438

470

243-17

50

150

250

350

450

550

643

243-7

50

150

250

350

450

550

650665

243-9

56

156

256

356

456

556

656

698

273-1

502

602

702

802

902

1002

1072

273-15

460

560

660

760

860

960

1060

1160

1195

273-17

660

760

860

912

273-18

400

500

600

700

800

900

1000

1100

12001245

273-3

510

610

710

810

910

1010

11101142

273-4

410

510

610

710

810

910

1010

11101128

273-9

610

710

810823

A_204-7

38

138

220

A_243-02

1000

1100

1200

1300

1375

A_243-10

590

690

790

890

948

A_243-14

580

680

780

880

920

A_243-16

575

675

775

875

961

A_243-18

625

725

825

925

971

A_243-20

540

640

740

840

940965

A_243-22

1012

912

812

712

612

512

A_243-24

560

660

760

860

964

A_243-26

480

580

680

780

880

931

A_243-4

510

610

710

810

910

951

A_243-8

345

445

545

645

745

796

A_273-2

730

830

930

1030

1130

1230

1330

1430

1534

525

425440

450460

900

475480

490

402

630

510

1604

583

GH

F

I

A

B

C

D

E

F

FPINCHOUT PROSPECT

BLOCK : CB-ONN-2005/10

1. BLOCK AREA 270 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 1600 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

2

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

G278-05

103

303

362

G278-12

303

503

703

903

949

G278-08

103

303

503

852

G278-14140

340

540

720

G278-15

103

303

503

610

G278-17

103

303

431

G278-06

103

303

G278-07

160

360

472

G278-10

103

303

321

G278-13

103

493

G278-01

101

301

501516

G278-02

103

303

503

679

G278-16

179

379

579

615

G278-09

103

503

703

770

G195-18

320

425

G195-23

280

405

G204-07A

74

200

G217- 01927

801

G217-02360

160G217-12

602

440G217-14726

526

500

G217-15 380

180

102

G227-14

820

998

G227-15

720

920

G227-22

720

920

1099G229-01620

420

260

G229-02

250

450460

G229-03300

691

G229-04

862

662

462

262

180

G229-05858

658

458

258

140

G229-06

853

653

453

253

120

G229-07

280

480

624

G229- 08

400

600

697

G229-09

380

580

622

G229-10

460

660

706

G229-11

51

251

451

630

G229-12

51

251

451

651

686

G229-13

1272

1072

872

672

520

G229-14 858

658

458

258

62

G229-15

1303

1103

903

703

500

G229-16 844

644

444

244

51

G229-18 380

180

51

G229- 19

51

240

G229-21

480

280

180

G241-03

700

900

G241-04 600

800

10 00

1 01 9

G241-05 600

800

1 00 0 10 50

G241-06 620

820

1029

G241-07 620

820

1020

1059

G24

1-10

500

680

G241-17 740

940

1140

1199

G241-19

760

960

975

G243-05

667

467

280

G243-07

663

463

G243-12

905

705 680

G243-16

963

840

G243-18

971

771

700

G243-2

1376

1260

G243-20

765

720

G243-221012

800

G243-24967

800

G243-26

935

830

G259-01720

520

320

196

G259-02640

440G259-15

560

360

196

G259-16480

280

196

G273-04

1128

940

G300-01500

700

900

1100

1300

1316

G300-02

560

960

1360

1400

G300- 03

107

307

707

907

1107

G300-04

640

840

1040

1240

1406

G300-05

740

940

1140

1340

1392

G300-06

820

1020

1220

1331

G300-07520

320

120107

G300-08

520

320

120105

G300-091404

1204

1004

804

604

404

204

107

G300- 10

180

380

580

780

980

1180

13801390

G300-11 1400

1200

1020

G300-121442

1242

1042

842

442

242

107

G300-131442

1242

1042

842

642

442

280

G300-14

1472

1272

1072

872

672

472

360

G310-53B

1420

1220

1020

920

G310-RL-5

5B

1931

1731

1531

1331

1160

G314-RL-55

1620

1820

2220

2314

G24

1 -08

304

504

704

740

G24

1-09

300

500

700

720

G241-20

1119

1319

1419

2900

3100

3300

3500

3595

G32

0-R

L-18

340

540

740

940

1140

1340

1540

1740

1878

G22

7-03

344

544

720

G22

7-04

98

319

G22

7-05

359

559

792

G22

7-06

149

349

G22

7-07

366

566

631

G227-16

375

569

G22

7-21

354

547

21 44 0021 46 00

21 48 0021 50 00

21 52 0021 54 00

21 56 0021 58 00

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

320

10050

507

965

642

103

3031260

503541

703

303

1160

2020

620520

759

G32

0-20

536

500

760

AB

CD

E F

G

H I

JK

L M

OP

Q

N

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

21 4

4 00

21 4

6 00

21 4

8 00

21 5

0 00

21 5

2 00

21 5

4 00

21 5

6 00

21 5

8 00

Pakhajan-3

Gandhar-172

Block Boundary

Seismic Lines

LEGEND

Wells

G278-05

103

303

362

G278-12

303

503

703

903

949

G278-08

103

303

503

852

G278-14140

340

540

720

G278-15

103

303

503

610

G278-17

103

303

431

G278-06

103

303

G278-07

160

360

472

G278-10

103

303

321

G278-13

103

493

G278-01

101

301

501516

G278-02

103

303

503

679

G278-16

179

379

579

615

G278-09

103

503

703

770

G195-18

320

425

G195-23

280

405

G204-07A

74

200

G217- 01927

801

G217-02360

160G217-12

602

440G217-14726

526

500

G217-15 380

180

102

G227-14

820

998

G227-15

720

920

G227-22

720

920

1099G229-01620

420

260

G229-02

250

450460

G229-03300

691

G229-04

862

662

462

262

180

G229-05858

658

458

258

140

G229-06

853

653

453

253

120

G229-07

280

480

624

G229- 08

400

600

697

G229-09

380

580

622

G229-10

460

660

706

G229-11

51

251

451

630

G229-12

51

251

451

651

686

G229-13

1272

1072

872

672

520

G229-14 858

658

458

258

62

G229-15

1303

1103

903

703

500

G229-16 844

644

444

244

51

G229-18 380

180

51

G229- 19

51

240

G229-21

480

280

180

G241-03

700

900

G241-04 600

800

10 00

1 01 9

G241-05 600

800

1 00 0 10 50

G241-06 620

820

1029

G241-07 620

820

1020

1059

G24

1-10

500

680

G241-17 740

940

1140

1199

G241-19

760

960

975

G243-05

667

467

280

G243-07

663

463

G243-12

905

705 680

G243-16

963

840

G243-18

971

771

700

G243-2

1376

1260

G243-20

765

720

G243-221012

800

G243-24967

800

G243-26

935

830

G259-01720

520

320

196

G259-02640

440G259-15

560

360

196

G259-16480

280

196

G273-04

1128

940

G300-01500

700

900

1100

1300

1316

G300-02

560

960

1360

1400

G300- 03

107

307

707

907

1107

G300-04

640

840

1040

1240

1406

G300-05

740

940

1140

1340

1392

G300-06

820

1020

1220

1331

G300-07520

320

120107

G300-08

520

320

120105

G300-091404

1204

1004

804

604

404

204

107

G300- 10

180

380

580

780

980

1180

13801390

G300-11 1400

1200

1020

G300-121442

1242

1042

842

442

242

107

G300-131442

1242

1042

842

642

442

280

G300-14

1472

1272

1072

872

672

472

360

G310-53B

1420

1220

1020

920

G310-RL-5

5B

1931

1731

1531

1331

1160

G314-RL-55

1620

1820

2220

2314

G24

1 -08

304

504

704

740

G24

1-09

300

500

700

720

G241-20

1119

1319

1419

2900

3100

3300

3500

3595

G32

0-R

L-18

340

540

740

940

1140

1340

1540

1740

1878

G22

7-03

344

544

720

G22

7-04

98

319

G22

7-05

359

559

792

G22

7-06

149

349

G22

7-07

366

566

631

G227-16

375

569

G22

7-21

354

547

21 44 0021 46 00

21 48 0021 50 00

21 52 0021 54 00

21 56 0021 58 00

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

320

10050

507

965

642

103

3031260

503541

703

303

1160

2020

620520

759

G32

0-20

536

500

760

AB

CD

E F

G

H I

JK

L M

OP

Q

N

72 42 00 72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

21 4

4 00

21 4

6 00

21 4

8 00

21 5

0 00

21 5

2 00

21 5

4 00

21 5

6 00

21 5

8 00

Pakhajan-3

Gandhar-172

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

THINNING OF CAMBAY SHALE TOWARDS SE AND FORMATION OF A STRATIGRAPHIC PINCHOUT PROSPECT.

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL PAKHAJAN – 3

4. INTERPRETED PLAY TYPE

~~ ~~ ~~ ~~~~~~~~

~~

~~~~

~~ ~~ ~~ ~~~~~~ ~~ ~~ ~~

~~~~~~~~

AGE FORMATION DEPTH(m) LITHOLOGY DISCRIPTION REMARKS

PLIOCENE

UPPER

MIOCNE

MIDDLE

MIOCNE

LOWER

MIOCNE

LOWER

MIOCNE

OLIGOCENE

UPP

ER E

OC

ENE

TO

MID

DLE

EOC

ENE

LOWER EOCNE

CAMB AY SHALE

A N

K L

E S

W A

R

DADHAR

TARKESHW AR

BABA

GUR

UK

A

N

D

JHAGADIA

JAMBUSARAND

BROACH1800

1900

2000

2100

2200

2300

2400

2500

2600

2700

2800

2900

3000

3100

3200

3300

3400

3500

3600

3700

3800

3900

DD : 3925m

Pebble and Claystone

Claystone, Siltstone, Sand and Shale

Shale, Claystone

Siltstone and Sand

Shale and Sand

Claystone and Sand

Shale and Siltstone

Shale and Sandstone

Shale

Golden Yellow flo

*Very strong sol. cut

~~ ~~ ~~ ~~~~~~~~

~~

~~~~

~~ ~~ ~~ ~~~~~~ ~~ ~~ ~~

~~~~~~~~

AGE FORMATION DEPTH(m) LITHOLOGY DISCRIPTION REMARKS

PLIOCENE

UPPER

MIOCNE

MIDDLE

MIOCNE

LOWER

MIOCNE

LOWER

MIOCNE

OLIGOCENE

UPP

ER E

OC

ENE

TO

MID

DLE

EOC

ENE

LOWER EOCNE

CAMB AY SHALE

A N

K L

E S

W A

R

DADHAR

TARKESHW AR

BABA

GUR

UK

A

N

D

JHAGADIA

JAMBUSARAND

BROACH1800

1900

2000

2100

2200

2300

2400

2500

2600

2700

2800

2900

3000

3100

3200

3300

3400

3500

3600

3700

3800

3900

DD : 3925m

Pebble and Claystone

Claystone, Siltstone, Sand and Shale

Shale, Claystone

Siltstone and Sand

Shale and Sand

Claystone and Sand

Shale and Siltstone

Shale and Sandstone

Shale

Golden Yellow flo

*Very strong sol. cut

2000

2500

3000

3500

4000

700 800 900 1000 1100 1200 1300LINE : G300-10

T W

T

I N

M S

SP

NW SE

NEAR ANKLESHWAR TOP

NEAR CAMBAY SHALE TOP

G278-05

103

303

362

G278-12

303

503

703

903949

G278-08

103

303

503

852

G278-14

140

340

540

720

G278-15

103

303

503

610

G278-17

103

303

431

G278-06103

30 3

G278-07

160

3 60

472

G278-10

103

30332

1

G278-13

103

493

G278-01

101

301

501516

G278-02

103

303

503

679

G278-16

179

379

579

615

G278-09

103

503

703

770

G195-18

320

425

G195-23

280

405

G204-07A

74

200

G217-01

927

801

G217-02 360

160G217-12

602

440G217-14

726

526

500

G217-15 380

180

102

G227-14

820

998

G227-15

720

920

G227-22

720

920

1099

G229-01620

420

260

G229-02

250

450460

G229-03

300

691

G229-04

862

662

462

262

180

G229-05858

658

458

258

140

G229-06

853

653

453

253

120

G229-07

280

480

624

G229-08

400

600

697

G229-09

380

580

622

G229-10

460

660

706

G229-11

51

251

451

630

G229-12

51

251

451

651

686

G229-13

1272

1072

872

672

520

G229-14 858

658

458

258

62

G229-15

1303

1103

903

703

500

G229-16 844

644

444

244

51

G229-18380

180

51

G229-19

51

240

G229-21

480

280

180

G241-03

700

900

G241-04 600

800

1000

1019

G241-05 600

800

1000 1050

G241-06 620

820

1029

G241-07 620

82 0

1020

1059

G24

1-10

500

680

G241-17 740

940

11 40

1199

G241-19

760

9 60

97 5

G243-05

667

467

280

G243-07

663

463

G243-12

905

705 680

G243-16

963

840

G243-18

971

771

700

G243-2 1376

1260

G243-20

765

720

G243-22 1012

800

G243-24967

800

G243-26

935

830

G259-01720

520

320

196

G259-02 640

440G259 -15

560

360

196

G259-16

480

280

196

G273-04

1128

940

G300-01

500

700

900

1100

13001316

G300-02

560

960

1360

1400

G300-03

107

307

707

907

1107

G300-04

640

840

1040

1240

1406

G300-05

740

940

1140

1340

1392

G300-06

820

1020

1220

1331

G300-07520

320

120107

G300-08

520

320

120105

G300-091404

1204

1004

804

604

404

204

107

G300-10

180

380

580

780

980

1180

13801390

G300-11 1400

1200

1020

G300-12 1442

1242

1042

842

442

242

107

G300-131442

1242

1042

842

642

442

280

G300-14

1472

1272

1072

872

672

472

360

G310-53B

1420

1 220

1020

920

G310-RL-55

B

1931

1731

1531

1331

1160

G314-RL-55

1620

1820

2220

2314

G24

1-08

304

504

704

740

G2 4

1-09

300

500

700

720

G241-20

1119

1319

1419

2900

3100

3300

3500

3595

G32

0-RL

-18

340

540

740

940

1140

1340

1540

1740

1878

G22

7-03

344

544

720

G22

7-04

98

319

G22

7-05

359

559

792

G22

7-06

149

349

G22

7-07

366

566

631

G227-16

375

569

G22

7-21

354

547

320

100

50

507

965

642

103

3031260

503541

703

303

1160

2020

620520

759

G3 2

0-20

536

500

760

AB

CD

E F

G

H I

JK

L M

OP

Q

N

PINCHOUT PROSPECT

2000

2500

3000

3500

4000

700 800 900 1000 1100 1200 1300LINE : G300-10

T W

T

I N

M S

SP

NW SE

NEAR ANKLESHWAR TOP

NEAR CAMBAY SHALE TOP

G278-05

103

303

362

G278-12

303

503

703

903949

G278-08

103

303

503

852

G278-14

140

34 0

540

72 0

G278-15

103

303

503

610

G278-17

103

303

431

G278-06103

30 3

G278-07

160

3 60

472

G278-10

103

30332

1

G278-13

103

493

G278-01

101

301

501516

G278-02

103

303

503

679

G278-16

179

379

579

615

G278-09

103

503

703

770

G195-18

320

425

G195-23

280

405

G204-07A

74

200

G217-01

927

801

G217-02 360

160G217-12

602

440G217-14

726

526

500

G217-15 380

180

102

G227-14

820

998

G227-15

720

920

G227-22

720

920

1099

G229-01620

420

260

G229-02

250

450460

G229-03

300

691

G229-04

862

662

462

262

180

G229-05858

658

458

258

140

G229-06

853

653

453

253

120

G229-07

280

480

624

G229-08

400

600

697

G229-09

380

580

622

G229-10

460

660

706

G229-11

51

251

451

630

G229-12

51

251

451

651

686

G229-13

1272

1072

872

672

520

G229-14 858

658

458

258

62

G229-15

1303

1103

903

703

500

G229-16 844

644

444

244

51

G229-18380

180

51

G229-19

51

240

G229-21

480

280

180

G241-03

700

900

G241-04 600

800

1000

1019

G241-05 600

800

1000 1050

G241-06 620

820

1029

G241-07 620

82 0

1020

1059

G24

1-10

500

680

G241-17 740

940

11 40

1199

G241-19

760

9 60

97 5

G243-05

667

467

280

G243-07

663

463

G243-12

905

705 680

G243-16

963

840

G243-18

971

771

700

G243-2 1376

1260

G243-20

765

720

G243-22 1012

800

G243-24967

800

G243-26

935

830

G259-01720

520

320

196

G259-02 640

440G259 -15

560

360

196

G259-16

480

280

196

G273-04

1128

940

G300-01

500

700

900

1100

13001316

G300-02

560

960

1360

1400

G300-03

107

307

707

907

1107

G300-04

640

840

1040

1240

1406

G300-05

740

940

1140

1340

1392

G300-06

820

1020

1220

1331

G300-07520

320

120107

G300-08

520

320

120105

G300-091404

1204

1004

804

604

404

204

107

G300-10

180

380

580

780

980

1180

13801390

G300-11 1400

1200

1020

G300-12 1442

1242

1042

842

442

242

107

G300-131442

1242

1042

842

642

442

280

G300-14

1472

1272

1072

872

672

472

360

G310-53B

1420

1 220

1020

920

G310-RL-55

B

1931

1731

1531

1331

1160

G314-RL-55

1620

1820

2220

2314

G24

1-08

304

504

704

740

G2 4

1-09

300

500

700

720

G241-20

1119

1319

1419

2900

3100

3300

3500

3595

G32

0-RL

-18

340

540

740

940

1140

1340

1540

1740

1878

G22

7-03

344

544

720

G22

7-04

98

319

G22

7-05

359

559

792

G22

7-06

149

349

G22

7-07

366

566

631

G227-16

375

569

G22

7-21

354

547

320

100

50

507

965

642

103

3031260

503541

703

303

1160

2020

620520

759

G3 2

0-20

536

500

760

AB

CD

E F

G

H I

JK

L M

OP

Q

N

PINCHOUT PROSPECT

BLOCK : CB-ONN-2005/11

1. BLOCK AREA 257 Sq. Km. (Approx.)

2. EXISTING DATA BASE

2.1 SEISMIC DATA 2D : 850 LKM

2.2 OTHER SURVEYS GM Surveys : (Entire block)

2.3 WELL DATA

Number of exploratory wells Hydrocarbon Discoveries

3

Commercial oil & gas reserves in Eocene, Oligocene and Miocene sediments in adjoining areas.

G278-10

G214-38

754

860

G24

1 -08

98

298

389

G22

7 -03

98

449

G227-17 540

740

940

1061

G22

7 -6

98

249

G22

7-7

98

298

499

G32

0-20

3360

3560

3760

3960

4193

G22

7 -21

98

298

474

G32

0-RL

-18

1750

1950

2150

23502361

G278-09

650

850

920

G278-06

300

500

700

900

1100

1300

1500

1640

G278-07

340

540

740

940

11401158

G278-17

280

480

680

880

1080

1294

G278-15

430

630

830

1030

1230

1430

1540

G278-14

530

730

930

1130

1330

1530

1660

G278-08

640

840

1040

1240

1440

1640

1742

G278-12

777

977

1177

1377

1577

1784

G314-RL-55

1620

1820

2020

2115

G227-16

360

518

G278-16

400

600

800

1010

G278- 02

500

700

900

1100

1151

G278-01

360

560

760

960

1114

G300-04

1240

1406

G278-13

340

540

740

940

1109

G300-02

1130

1330

1400

G300-01

1065

1265

1316

G300-14

1290

1472G227-1898

298

498

541

G241-20

1040

1240

1419

G227-19 98

298

498

608G241-21 980

1180

1378

G273-181245

1040

G278-03

180

380

580

780

850

G278-04

103

303

503

703

808

G278-05

103

303

503

703

903

986

103

303

503

703

894

G278-11

420

620

820

1050

G320-RL-57

3487

3287

3087

2887

2687

2487

2287

2087

1960

G22

7-23

98

298

353

G22

7 -5

98

298

451

G22

7 -8

98

298

322

21 38 0021 40 00

21 42 0021 44 00

21 46 00

72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

298

160

72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

21 3

8 00

21 4

0 00

21 4

2 00

21 4

4 00

21 4

6 00

A

B

C

EGH

I

D

F

JK

LM

N

Pakhajan-10

Pakhajan-12

Gandhar-315

Block Boundary

Seismic Lines

LEGEND

Wells

G278-10

G214-38

754

860

G24

1 -08

98

298

389

G22

7 -03

98

449

G227-17 540

740

940

1061

G22

7 -6

98

249

G22

7-7

98

298

499

G32

0-20

3360

3560

3760

3960

4193

G22

7 -21

98

298

474

G32

0-RL

-18

1750

1950

2150

23502361

G278-09

650

850

920

G278-06

300

500

700

900

1100

1300

1500

1640

G278-07

340

540

740

940

11401158

G278-17

280

480

680

880

1080

1294

G278-15

430

630

830

1030

1230

1430

1540

G278-14

530

730

930

1130

1330

1530

1660

G278-08

640

840

1040

1240

1440

1640

1742

G278-12

777

977

1177

1377

1577

1784

G314-RL-55

1620

1820

2020

2115

G227-16

360

518

G278-16

400

600

800

1010

G278- 02

500

700

900

1100

1151

G278-01

360

560

760

960

1114

G300-04

1240

1406

G278-13

340

540

740

940

1109

G300-02

1130

1330

1400

G300-01

1065

1265

1316

G300-14

1290

1472G227-1898

298

498

541

G241-20

1040

1240

1419

G227-19 98

298

498

608G241-21 980

1180

1378

G273-181245

1040

G278-03

180

380

580

780

850

G278-04

103

303

503

703

808

G278-05

103

303

503

703

903

986

103

303

503

703

894

G278-11

420

620

820

1050

G320-RL-57

3487

3287

3087

2887

2687

2487

2287

2087

1960

G22

7-23

98

298

353

G22

7 -5

98

298

451

G22

7 -8

98

298

322

21 38 0021 40 00

21 42 0021 44 00

21 46 00

72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

298

160

72 44 00 72 46 00 72 48 00 72 50 00 72 52 00 72 54 00 72 56 00 72 58 00 73 00 00

21 3

8 00

21 4

0 00

21 4

2 00

21 4

4 00

21 4

6 00

A

B

C

EGH

I

D

F

JK

LM

N

Pakhajan-10

Pakhajan-12

Gandhar-315

Block Boundary

Seismic Lines

LEGEND

Wells

Block Boundary

Seismic Lines

LEGEND

Wells

THINNING AND SHALLOWING OF OLPAD AND CAMBAY SHALE FORMATIONS TOWARDS SE, i.e., AT SOUTHERN FLANK OF BROACH DEPRESSION.

3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN THE WELL PAKHAJAN – 12

4. INTERPRETED PLAY TYPE

AGE FORMATION DEPTH(m)

LITHOLOGY DISCRIPTION REMARKS

3200

3300

3400

3500

3600

3700

3800

3900

POST

OLIGOCENE

O L

I G

O C

E N

EUP

PER

EO

CEN

E T

O

MID

DLE

M

IOC

ENE

LOWER

EOCENE

P O

S T

D

A D

H A

RD

A

D

H

A

R

A

N

K

L

E

S

W

A

R

CAMBAYSHALE

~~ ~~

~~~~~~ ~~

~~~~~~ ~~~~ ~~

~~

~~~~

~~

~~~~

~~~~

~~ ~~

~~~~

DD : 4000m

*Moderatesol. cut

Clay, Claystone, Shale

and Siltstone

Sand, Shale and

Siltstone

Sand and Shale

Shale and Sand

AGE FORMATION DEPTH(m)

LITHOLOGY DISCRIPTION REMARKS

3200

3300

3400

3500

3600

3700

3800

3900

POST

OLIGOCENE

O L

I G

O C

E N

EUP

PER

EO

CEN

E T

O

MID

DLE

M

IOC

ENE

LOWER

EOCENE

P O

S T

D

A D

H A

RD

A

D

H

A

R

A

N

K

L

E

S

W

A

R

CAMBAYSHALE

~~ ~~

~~~~~~ ~~

~~~~~~ ~~~~ ~~

~~

~~~~

~~

~~~~

~~~~

~~ ~~

~~~~

DD : 4000m

*Moderatesol. cut

Clay, Claystone, Shale

and Siltstone

Sand, Shale and

Siltstone

Sand and Shale

Shale and Sand

2750

3000

3250

3500

3750

4000

4250

4500

4750

200 300 400 500 600 700 800 900LINE : G278 – 05

T W

T

I N

M S

SP

NW SE

2500

W ELL: PAKH AJAN-12

NEAR ANKLESHWAR TOP

NEAR CAMBAY SHALE TOP

NEAR OLPAD TOP

W ELL: PAKH AJAN-10

G278-10

G214-38

754

860

G24

1-08

98

298

389

G22

7-03

98

449

G227-17540

740

940

1061

G22

7-6

98

249

G22

7-7

98

298

499

G32

0 -20

3360

3560

3760

3960

4193

G22

7-21

98

298

474

G32

0-R

L-18

1750

1950

2150

23502361

G278-09

650

850

920

G278-06

300

500

700

900

1100

1300

1500

1640

G278-07

340

540

740

940

1140

1158

G278-17

280

480

680

880

1080

1294

G278-15

430

630

830

1030

1230

1430

1540

G278-14

530

730

930

1130

1330

1530

1660

G278-08

640

840

1040

1240

1440

1640

1742

G278-12

777

977

1177

1377

1577

1784

G314-RL-55

1620

1820

2020

2115

G227-16

360

518

G278-16

400

600

800

1010

G278-02

500

700

900

1100

1151

G278-01

360

560

760

960

1114

G300-04

1240

1406

G278-13

340

540

740

940

1109

G300-02

1130

1330

1400

G300-01

1065

1265

1316

G300-14

1290

1472

G227-1898

298

498

541

G241-20

1040

1240

1419

G227-19 98

298

498

608G241-21 980

1180

1378

G273-181245

1040

G278-03

180

380

580

780

850

G278-04

103

303

503

703

808

G278-05

103

303

503

703

903

986

103

303

503

703

894

G278-11

420

620

820

1050

G320-RL-57

3487

3287

3087

2887

2687

2487

2287

2087

1960

G22

7-23

98

298

353

G22

7-5

98

298

451

G22

7-8

98

298

322

298

160

A

B

C

EG

HI

D

F

JK

LM

N

2750

3000

3250

3500

3750

4000

4250

4500

4750

200 300 400 500 600 700 800 900LINE : G278 – 05

T W

T

I N

M S

SP

NW SE

2500

W ELL: PAKH AJAN-12

NEAR ANKLESHWAR TOP

NEAR CAMBAY SHALE TOP

NEAR OLPAD TOP

W ELL: PAKH AJAN-10

G278-10

G214-38

754

860

G24

1-08

98

298

389

G22

7-03

98

449

G227-17540

740

940

1061

G22

7-6

98

249

G22

7-7

98

298

499

G32

0 -20

3360

3560

3760

3960

4193

G22

7-2 1

98

298

474

G32

0-R

L-18

1750

1950

2150

23502361

G278-09

650

850

920

G278-06

300

500

700

900

1100

1300

1500

1640

G278-07

340

540

740

940

1140

1158

G278-17

280

480

680

880

1080

1294

G278-15

430

630

830

1030

1230

1430

1540

G278-14

530

730

930

1130

1330

1530

1660

G278-08

640

840

1040

1240

1440

1640

1742

G278-12

777

977

1177

1377

1577

1784

G314-RL-55

1620

1820

2020

2115

G227-16

360

518

G278-16

400

600

800

1010

G278-02

500

700

900

1100

1151

G278-01

360

560

760

960

1114

G300-04

1240

1406

G278-13

340

540

740

940

1109

G300-02

1130

1330

1400

G300-01

1065

1265

1316

G300-14

1290

1472

G227-1898

298

498

541

G241-20

1040

1240

1419

G227-19 98

298

498

608G241-21 980

1180

1378

G273-181245

1040

G278-03

180

380

580

780

850

G278-0410

3

303

503

703

808

G278-05

103

303

503

703

903

986

103

303

503

703

894

G278-11

420

620

820

1050

G320-RL-57

3487

3287

3087

2887

2687

2487

2287

2087

1960

G22

7-23

98

298

353

G22

7-5

98

298

451

G22

7-8

98

298

322

298

160

A

B

C

EG

HI

D

F

JK

LM

N