Wanida Chantong Phumee Srisuwon Chanida Kaewkor

Charongporn Praipipan Sirichon Ponsri

Distributions of the Permo-Carboniferous rocks in the Khorat Plateau Basin

Department of Mineral Resource, Thailand, 2011

No. Well name Abbreviation

1 Kuchinarai-1 KR-1

2 Nam Phong-1A NP-1A

3 Chonnabot-1 CB-1

4 Kasat Sombun-1 KS-1

5 Phu Horm-1 PH-1

6 Yang Talat-1 YT-1

7 Si That-1 ST-1

8 Nam Phong-2 NP-2

9 Phu Phra-1 PP-1

10 Non Sung-1 NS-1

11 Phu Horm-2 PH-2

12 Nam Phong-3 NP-3

13 Nam Phong-4 NP-4

14 Dong Mun-1 DM-1

15 Dong Mun-2 DM-2

16 Phu Kao-1 PK-1

17 Nam Phong-5 NP-5

18 Nam Phong-6 NP-6

19 Dao Rung-1 DR-1

20 Phu Lop-1 PL-1

21 Kham Palai-1 KP-1

22 Lam Pao-1 LP-1

23 Sakon-1 SK-1

24 Huai Muk-1 HK-1

25 Mukdahan-1 MH-1

26 Nam Phong-7 NP-7

27 Phu Wiang-1 PW-1

28 Si That-2 ST-2

29 Nam Phong-8 NP-8

30 Nam Phong-9 NP-9

31 Phu Din-1 PD-1

32 Phu Horm-3 PH-3

33 Phu Horm-4 PH-4

34 Phu Horm-5 PH-5

35 Phu Horm-6 PH-6

36 Phu Horm-7 PH-7

37 Phu Horm-10 PH-10

38 Dong Mun-3 DM-3

39 South Phu Horm-1 SPH-1

40 Phu Kheng-1 PKh-1

41 Si That-3 ST-3

42 Tew-B Tew-B

43 Tew-E Tew-E

44 Dao Rung-2 DR-2

45 Dao Rung-3 DR-2

46 Ratana-1 RN-1

50 km.

KS-1 PD-1

CB-1 PW-1

RN-1

DR-1 DR-2 DR-3

PK-1

PH-1,2,3,4,5,6,7,10

SPH- 10

NP-1,2,3,4,5,6,7,8,9

YT-1

LP-1

PL-1 PP-1 SK-1

KR-1

NS-1

MH-1

HM-1

KP-1

Tew-B

Tew-E

DM-1 DM-3

DM-2

PKh-1

ST-1 ST-2

ST-3

46 wells

3D seismic

2D seismic

Litho-stratigraphy and petroleum system of the

Khorat Plateau (Chantong, 2011)

| 102º

| 103º

| 104º

| 105º

102º

| 103º

| 104º

| 105º

|

___ 15º

___ 16º

___ 17º

___ 18º

___ 14º

15º ___

16º ___

17º ___

18º ___

14º ___

50 km.

N

46 wells

Basin Plain Platform Interior Platform

Restricted

Bas

in M

argin

Out

er P

latfo

rm

Fore-reef slope Platform-margin reef

Platform-interior reef or mound

Platform-interior mud

Restricted subtidal lagoon

Platform-margin sand

Platform-interior sand

Platform-interior mixed mud & sand

Basin- margin slope

Basin- Margin fan

Basin plain

BASIN PLATFORM

CARBONATE DEPOSTIONAL ENVIRONMENTS

Permian Marine Depositional Environments in Khorat Plateau Basin after Wielchowsky & Young, 1989

50 km.

KS-1 PD-1

CB-1 PW-1

RN-1

DR-1 DR-2 DR-3

PK-1

PH-1,2,3,4,5,6,7,10

SPH- 10

NP-1,2,3,4,5,6,7,8,9

YT-1

LP-1

PL-1 PP-1 SK-1

KR-1

NS-1

MH-1

HM-1

KP-1

Tew-B

Tew-E

DM-1 DM-3

DM-2

PKh-1

ST-1 ST-2

ST-3

No. Well name Abbreviation

1 Kuchinarai-1 KR-1

2 Nam Phong-1A NP-1A

3 Chonnabot-1 CB-1

4 Kasat Sombun-1 KS-1

5 Phu Horm-1 PH-1

6 Yang Talat-1 YT-1

7 Si That-1 ST-1

8 Nam Phong-2 NP-2

9 Phu Phra-1 PP-1

10 Non Sung-1 NS-1

11 Phu Horm-2 PH-2

12 Nam Phong-3 NP-3

13 Nam Phong-4 NP-4

14 Dong Mun-1 DM-1

15 Dong Mun-2 DM-2

16 Phu Kao-1 PK-1

17 Nam Phong-5 NP-5

18 Nam Phong-6 NP-6

19 Dao Rung-1 DR-1

20 Phu Lop-1 PL-1

21 Kham Palai-1 KP-1

22 Lam Pao-1 LP-1

23 Sakon-1 SK-1

24 Huai Muk-1 HK-1

25 Mukdahan-1 MH-1

26 Nam Phong-7 NP-7

27 Phu Wiang-1 PW-1

28 Si That-2 ST-2

29 Nam Phong-8 NP-8

30 Nam Phong-9 NP-9

31 Phu Din-1 PD-1

32 Phu Horm-3 PH-3

33 Phu Horm-4 PH-4

34 Phu Horm-5 PH-5

35 Phu Horm-6 PH-6

36 Phu Horm-7 PH-7

37 Phu Horm-10 PH-10

38 Dong Mun-3 DM-3

39 South Phu Horm-1 SPH-1

40 Phu Kheng-1 PKh-1

41 Si That-3 ST-3

42 Tew-B Tew-B

43 Tew-E Tew-E

44 Dao Rung-2 DR-2

45 Dao Rung-3 DR-2

46 Ratana-1 RN-1

46 wells Si That

Dong Mun

Si That

Key Seismic Profile

Original seismic profile S N

Khorat Group-Flattening

Kh

ora

t G

rou

p

Carbonate platform

Ou

ter

pla

tfo

rm

Basin plain

lagoon

5 km.

S N

N W E

5 km.

Dong Mun

Key Seismic Profile

Original seismic profile NW SE NE

Kh

ora

t G

rou

p

Reef Reef lagoon Outer

platform

Basin margin

Fore-reef slope

5 km.

NW SE NE

Basin PlainBasin PlainPlatform InteriorPlatform InteriorPlatform Platform

RestrictedRestricted

Basin M

arginBasin M

arginOuter Platform

Outer Platform

Fore-reef slopePlatform-margin

reefPlatform-interior reef or mound

Platform-interior mud

Restricted subtidallagoon

Platform-margin sand

Platform-interior sand

Platform-interior mixed mud & sand

Basin-margin slope

Basin-Margin fan

Basin plain

Intertida

l Flat

Supra

tidal F

lat

BASINBASINPLATFORMPLATFORM

Permian Marine Depositional Environments (after Wielchowsky & Young, 1989).

SYMBOLS

Basin PlainBasin PlainPlatform InteriorPlatform InteriorPlatform Platform

RestrictedRestricted

Basin M

arginBasin M

arginOuter Platform

Outer Platform

Fore-reef slopePlatform-margin

reefPlatform-interior reef or mound

Platform-interior mud

Restricted subtidallagoon

Platform-margin sand

Platform-interior sand

Platform-interior mixed mud & sand

Basin-margin slope

Basin-Margin fan

Basin plain

Intertida

l Flat

Supra

tidal F

lat

BASINBASINPLATFORMPLATFORM

Permian Marine Depositional Environments (after Wielchowsky & Young, 1989).

SYMBOLS

Permo-Carboniferous rock distributions in the Khorat Plateau Basin

(Chantong, 2010 in Thai)

Basin PlainBasin PlainPlatform InteriorPlatform InteriorPlatform Platform

RestrictedRestricted

Basin M

arginBasin M

arginOuter Platform

Outer Platform

Fore-reef slopePlatform-margin

reefPlatform-interior reef or mound

Platform-interior mud

Restricted subtidallagoon

Platform-margin sand

Platform-interior sand

Platform-interior mixed mud & sand

Basin-margin slope

Basin-Margin fan

Basin plain

Intertida

l Flat

Supra

tidal F

lat

BASINBASINPLATFORMPLATFORM

Permian Marine Depositional Environments (after Wielchowsky & Young, 1989).

SYMBOLS

Basin PlainBasin PlainPlatform InteriorPlatform InteriorPlatform Platform

RestrictedRestricted

Basin M

arginBasin M

arginOuter Platform

Outer Platform

Fore-reef slopePlatform-margin

reefPlatform-interior reef or mound

Platform-interior mud

Restricted subtidallagoon

Platform-margin sand

Platform-interior sand

Platform-interior mixed mud & sand

Basin-margin slope

Basin-Margin fan

Basin plain

Intertida

l Flat

Supra

tidal F

lat

BASINBASINPLATFORMPLATFORM

Permian Marine Depositional Environments (after Wielchowsky & Young, 1989).

SYMBOLS

Permo-Carboniferous rock distributions in the Khorat Plateau Basin

(Chantong, 2010 in Thai)

Sin Phu Horm

Nam Phong

Sin Phu Horm

Dong Mun

L2/55

6/55

L7/55

L9/55

L8/55

L10/55

L13/55

L15/55

L16/55

L17/55

L11/55

) Next Bidding round

1st Draft

N S L6/55

Carbonate ? Upper clastics

ภูฮ่อม

น ้ำพอง

Khumphawapi Prospect (L6/55)

Phibun Rak Prospect (L2/55) Play type: Reef build-up? & Permian carbonates fault-reactivated anticline Reservior rocks: Permian carbonate reef? & fractured Permian carbonate Source rocks: Si That formation & Triassic pre-Khorat rocks

L6/55 Area = 2642.92 km2

Cover: Kalasin, Nong Bua Lamphu, Udon

2D Seismic = 685 km. Prospect: Phu Kao, Phu Wiang, Khumphawapi, Non Sang Min. Requirement: 1 well Recommended Work Plan: 1 well + 2D seismic 100 km or 3D 50 km2

Prospect map

L6/55

Phu Horm

Nam Phong

3D-50 SQ.Km.

3D-50 SQ.Km.

Phu Horm Nam Phong L6/55

Carbonate ?

Upper clastics

N S

3D-50 SQ.Km.

Non Sang Prospect (L6/55)

ภูฮ่อม

น ้ำพอง

Prospect map

L6/55

Phu Horm

Nam Phong

3D-50 SQ.Km.

3D-50 SQ.Km.

Carbonate ? Upper clastics

L27/43 L7/55 Prospect map

L7/55

3D-100 km2

3D-100 km2

L7/55 Area = 2808.62 km2

Cover: Udon, Sakon, Kalasin, Khon Kaen

2D Seismic = 972 km. Wells: Si That-1, 2, 3 Prospect: Chaiwan, Pha Kra Tae, Si That, Nong Krung Sri & That Phu Wong Min. Requirement: 1 well Recommended Work Plan: 1 well + 2D seismic 150 km or 3D 100 km2

ภูฮ่อม

น ้ำพอง

Nong Krung Sri Prospect (L7/55)

Carbonate ?

Upper clastics

Reef?

Western Dong Mun Prospect (L9/55)

ภูฮ่อม

น ้ำพอง

Prospect map

L9/55 Area = 2425.71 km2

Cover: Khon Kaen, Kalasin, Mahasarakham 2D Seismic = 555 km. Prospect: Western Dong Mun, Kranuan Min. Requirement: 1 well Recommended Work Plan: 1 well + 2D seismic 100 km or 3D 50 km2

S N

Kranuan Prospect (L9/55)

S N

Upper clastics

Kh

ora

t G

rou

p

Prospect map

ภูฮ่อม

น ้ำพอง

L9/55 Area = 2425.71 km2

Cover: Khon Kaen, Kalasin, Mahasarakham 2D Seismic = 555 km. Prospect: Western Dong Mun, Kranuan Min. Requirement: 1 well Recommended Work Plan: 1 well + 2D seismic 100 km or 3D 50 km2

L2/55

6/55

L7/55

L9/55

L8/55

L10/55

L13/55

L15/55

L16/55

L17/55

L11/55

) Next Bidding round

1st Draft