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Ir. Sukardjo M.Sc

MAIN COAL BASINS OF INDONESIA

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Indonesian Coal Bearing FormationsIndonesian Coal Bearing Formations

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INDONESIAN COAL RESOURCES AND RESERVESINDONESIAN COAL RESOURCES AND RESERVES (2005)(2005)(Continue)(Continue)

QUALITYQUALITYNoNo ISLANDISLAND

CALORYCALORY CRITERIACRITERIA

1.1. JAWAJAWA Low Low -- MediumMedium < 5100 < 5100 -- 61006100 19,2419,24 0,000,00

High High -- Very HighVery High 6100 6100 -- >7100>7100 2,972,97 0,000,00

2.2. SUMATERASUMATERA Low Low -- MediumMedium < 5100 < 5100 -- 61006100 26.872,526.872,5 2.636,622.636,62

High High -- Very HighVery High 6100 6100 -- 71007100 1.780,661.780,66 134,11134,11

3.3. KALIMANTANKALIMANTAN Low Low -- MediumMedium < 5100 < 5100 -- 61006100 25.375,6925.375,69 2.769,012.769,01

High High -- Very HighVery High 6100 6100 -- 71007100 6.844,446.844,44 1.219,11.219,1

4.4. SULAWESISULAWESI Low Low -- MediumMedium < 5100 < 5100 -- 61006100 218,42218,42 0,060,06

5.5. MALUKUMALUKU LowLow < 5100< 5100 2,132,13 0,000,00

6.6. PAPUAPAPUA Low Low -- MediumMedium < 5100 < 5100 -- 61006100 120,35120,35 0,000,00

High High -- Very HighVery High 6100 6100 -- 71007100 30,9130,91 0,000,00

TOTALTOTAL 61.273,9961.273,99 6.758,906.758,90

High High -- Very HighVery High 6100 6100 -- 71007100 14,6814,68 0,000,00

RESOURCES RESOURCES

( M Ton)( M Ton)RESERVESRESERVES

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INDONESIAN COAL RESOURCES INDONESIAN COAL RESOURCES ( Based on calorific value )( Based on calorific value )

1% 24%13%

62%

Low CaloryMedium CaloryHigh CaloryVery High Calory

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KALIMANTAN COAL RESOURCESKALIMANTAN COAL RESOURCES( Based on Calorific Value )( Based on Calorific Value )

1,761.30

23,614.40

6,213.60

630.90

0

5,000

10,000

15,000

20,000

25,000

LowCalory

MediumCalory

HighCalory

VeryHigh

Calory

LowCalory

MediumCalory

HighCalory

VeryHighCalory

M

Tonn

es

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Coal Basin in KALIMANTANCoal Basin in KALIMANTAN

WAHAU COAL FIELD

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Kutai Basin is the biggest and deepest basin in Indonesia, very economic, oil gas and coal producing sequences.

Coal Bearing Formation : Ayau, Wahau and Balikpapan Formation.

KUTAI BASINKUTAI BASIN

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GEOLOGYGEOLOGYBasin Setting : back arch basinBasin Setting : back arch basin

Influenced by sea floor spreading at Influenced by sea floor spreading at Makassar strait Makassar strait

Stratigraphy of Kutai Basin mostly Stratigraphy of Kutai Basin mostly define from oil exploration datadefine from oil exploration data

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STRUCTURE GEOLOGY STRUCTURE GEOLOGY KUTAIKUTAI--BARITOBARITO--ASAMASAM--ASAM BASINASAM BASIN

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STRATIGRAPHY OF EAST KALIMANTAN BASINSSTRATIGRAPHY OF EAST KALIMANTAN BASINS

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THE MORFOLOGY OF WAHAU COALFIELD

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STRATIGRAPHY OF WAHAU COALFIELDSTRATIGRAPHY OF WAHAU COALFIELD

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FORMATION DESCRIPTION

BATUAYAU( Tea )

HOLOCENE

PLIOCENEM

IOC

EN

EO

LIG

OC

EN

E

QU

AR

TE

RN

AR

YT

ER

TIA

RY

EO

CE

NE

AGE

LATE

MIDDLE

EARLY

LATE

MIDDLE

EARLY

LATE

ALLUVIAL( Qa )

BALIKPAPAN( Tmbp )

WAHAU( Tomw )

Consists of the older rock reworks and mudstone.

Consists of quartz sandstone interbedded of claystone, siltstone, shale, limestone and coal

Consists of interbedded of of claystone, quartz sandstone, clayey sandstone and coal intercalations limestone at the bottom of formation.

Consists of sandstone mudstone, and small amount of limestone. Coal and carbonaceous clay found in some arean.

S .Ngen

S. J ok

S.

Jo

kn

g

a n

S .S o

n gl e

n g

S . G e n g

S . Bu sa ng

S .T e ng e u

S .Ge b l eo

S.D

a n K

anan

S. D

a n

Ki r i

S.N

ge l

im

S.

Lu

nu

k

S.

Lu

nd

uk

S.B

ek

ua

k

S. A

s ak

S . M a r a h

S .P a k

S . Pa s i rp u t i hS . S a k a Hu l u

S . Lo a H u l u

S . L o ba

ng

S. S

aw

ah

S . B

an

g

S. A

pa

k

S.

Go

da

ng

S . M a r a h

S .

T ug ang

S .Ma ha i

S . Ma

ra

h

S. K

a pu r

B e s a r

S . M e n y i u

S . P i ng

S. D

ur

i a n

S.

La

u

S. G

o n g s o n g

S.

Le

es

S.

Li

m

S.

Ba

ya

k S . K e l i nj

au

Gema Baru

Muara Dun

Long Nah

Teluk Baru

Temaning Baru

Toma

Tmbp

S.

Ke

li

nj

au

S.

Ke

li

nj

a u

S . T e m a n i n g

S.

T em a

n in g

S . T i nj a u

S . J o r

Long Tesak

A

L T 3438NH - 03

NH - 05

NH - 10

NH - 02

NH - 06

NH - 08

NH - 09

NH - 07

NH - 01

Toma

S . T i nj a u

S.

Lo

ng

Jo

B

C

D

C DD

C

D

C

G E

J

BA

F

BLOK 2

BLOK 1

NH - 04

Gema Baru

Muara Dun

Long Nah

Teluk Baru

Temaning Baru

Tea

Tea

Tmbp

Toma

Tmbp

Qa

Qa

Tea

Tmbp

Tmbp

Tmbp

Tmbp

Tmbp

Tea

S.

Ke

li

nj

au

S.

Ke

li

nj

a u

S . T e m a n i n g

S.

T em a

n in g

S . T i nj a u

S . J o r

Long Tesak

A

L T 3438NH - 03

NH - 05

NH - 10

NH - 02

NH - 06

NH - 08

NH - 09

NH - 07

NH - 01

Toma

S . T i nj a u

S.

Lo

ng

Jo

B

C

D

C DD

C

D

C

G E

J

BA

F

BLOK 2

BLOK 1

NH - 04

BW-04

BW-06

B

A

B

A

S.

T a n a h me

r

ah

S.

K

al

se

t

S.

Te

l en

S.

Be

ki k

in

g

Marahaloq

Marahkenyah

Muaramarah

S.

N

an

ga

B

es

ar

S.

N

an

ga

K

ec

il

S.

L

iu

k

S.

K

at

ak

Lo

a B

et

un

g

S.

So k

a K

i ri

S.

So

ka

Ka

na

n

S . P o r e

S . P a si

r

Pu

ti

h

S . L o n g H u l u

S . N or a

n

Long Noran

Bat uredi

Jukayak

KUTAIMuarawahau

Muarapantun

S . L o n g k o l

Rantaupan jang

Long Segar

BMH-1 BMH-2

BMH-3

BMH-4

BMH-5

BMH-6

BMH-7

BMH-8

BMH-9

S . M a r a

h

S. G

ep

uk

S.

Na

ng

a

S

.I

m am

S.

Be

nt

ia

n

LE-03

LE-02

LE-04

LE-01

LE-05

LE-06

LE-09

LE-08

LE-07

LE-10

Tea

Tea

Tmbp

TmbpQa

Qa

Tea

TmbpTmbp

Tmbp

Tmbp

Tea

Qal

Tomw

Tomw

Qal

QalQal

Qal

Tomw

BLOCK MUARA WAHAU

BLOCK LONG LEES

BLOCK MARAH HALOQ

BLOCK LONG NAH

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COAL SEAM DATACOAL SEAM DATA

BLOCKBLOCK FORMATIONNUMBER OF SEAM

THICKNESSTHICKNESS

( m )( m )DIP ( O )

MUARA WAHAUMUARA WAHAU WAHAUWAHAU 66 1.5 1.5 45.0045.00 44OO -- 1515OO

44OO -- 6565OO

1010OO -- 2020OO

77OO -- 2020OO

55OO -- 2020OO

55OO -- 2121OO

3030OO -- 4545OO

MARAH HALOQMARAH HALOQ WAHAUWAHAU 44 1.70 1.70 26.8026.80

LONG LELONG LEESESBALIK PAPANBALIK PAPAN

WAHAUWAHAU

BATU AYAUBATU AYAU

44

33

33

2.50 2.50 -- 22.6022.60

1.00 1.00 -- 18.8018.80

1.00 1.00 -- 14.7014.70

LONG NAHLONG NAHBALIKPAPANBALIKPAPAN

BATU AYAUBATU AYAU22

2214.80 14.80 -- 18.2018.20

1.20 1.20 -- 8.108.10

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BORE HOLE CORRELATION OF BLOCK LONG LEES

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BORE HOLE CORRELATION OF BLOCK MARAH HALOQ

COAL RESOURCES OF WAHAU COALFIELDCOAL RESOURCES OF WAHAU COALFIELD

BLOCKBLOCKNUMBER NUMBER

OF SEAMOF SEAM

COAL RESOURCES / COAL RESOURCES / TONNESTONNES

( 100 m below from surface)( 100 m below from surface)

WAHAUWAHAU 66 4,385,000,0004,385,000,000

MARAH HALOQMARAH HALOQ 44 543,900,000543,900,000

LONG LELONG LEESES 1010 1,403,000,0001,403,000,000

LONG NAHLONG NAH 44 424,400,000424,400,000

TOTALTOTAL 6,756,300,0006,756,300,000

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COAL QUALITY BY FORMATION (COAL QUALITY BY FORMATION (ar/adbar/adb))

FORMATION FM%TM%

IM%

VM%

FC%

ASH%

St%

SG CVCal/gr

HGI

34,8561,69

44,5065,38

9,64 14,79

37,6344,18

35,0240,00

2,269,39

0,150,35

1,381,409

51005620 60

49,35 55,64 11,94 40,61 37,55 6,06 0,30 1,30 5440 60

36,73 45,16 11,46 44,89 36,97 5,33 0,17 1,42 5380 53

45,64 51,31 11,84 47,28 37,49 4,19 0,14 1,40 5540 61

19,1251,87

26,4056,67

9,0012,50

33,6450,76

30,2940,25

2,2812,40

0,110,45

1,381,55

48705635 41-76

39,9049,39

47,4953,35

10,0615,04

46,2048,16

36,9037,72

3,435,21

0,130,15

1,361,43

52455665 47-67

BALIKPAPAN

WAHAU

BATUAYAU

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FORMATIONFORMATION

ELEMENELEMENBT. AYAUBT. AYAU WAHAUWAHAU B. PAPANB. PAPAN

C (%)C (%) 70.1070.10 69,9069,90 70,7070,70

H (%)H (%) 4,904,90 5,005,00 5,205,20

N (%)N (%) 0,770,77 0,950,95 0,910,91

S (%)S (%) 0,430,43 0,220,22 0,120,12

O (%)O (%) 23,9023,90 23,9023,90 23,7023,70

COAL ULTIMATE ANALYSIS

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POSSIBLE TRANSPORTATION AND PORT

Positive side / StrengthPositive side / Strength

Clean CoalClean Coal

Huge ResourcesHuge Resources

No need to carry out preliminary surveyNo need to carry out preliminary survey

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Possible Constrain / WeaknessPossible Constrain / Weakness

Transportation and logisticTransportation and logisticRoad Road : distance, capital cost for road : distance, capital cost for road development, trucks, number of vehicles, development, trucks, number of vehicles, operation cost, safety. operation cost, safety. RiverRiver : distance, capital cost for barge, size and : distance, capital cost for barge, size and barge needed, operational cost, possibility to barge needed, operational cost, possibility to built stockpilesbuilt stockpilesTrainTrain : cost, long waiting time: cost, long waiting timeOtherOther : possibility of : possibility of unofficialyunofficialy taxtax

Surety of landSurety of land--rightright

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Indonesian Coal Bearing FormationsINDONESIAN COAL RESOURCES AND RESERVES (2005)(Continue)INDONESIAN COAL RESOURCES ( Based on calorific value )KALIMANTAN COAL RESOURCES( Based on Calorific Value )Coal Basin in KALIMANTANGEOLOGYSTRUCTURE GEOLOGY KUTAI-BARITO-ASAM-ASAM BASINSTRATIGRAPHY OF EAST KALIMANTAN BASINSCOAL SEAM DATA COAL RESOURCES OF WAHAU COALFIELDCOAL QUALITY BY FORMATION (ar/adb)Positive side / StrengthPossible Constrain / Weakness