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Tertiary Sedimentary Basins in IndonesiaTertiary Sedimentary Basins in Indonesia Location Map of The Kutei BasinLocation Map of The Kutei Basin

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TECTONIC ELEMENTTECTONIC ELEMENT

The SW portion is occupied by Sunda Continental Crust

The NE portion is bounded by Mangkaliat Platform

The North and South of the basin are bounded by NW-SE

trending Adang-Paternosfer and Mangkaliat Fault Zone.

The SW portion is occupied by Sunda Continental Crust

The NE portion is bounded by Mangkaliat Platform

The North and South of the basin are bounded by NW-SE

trending Adang-Paternosfer and Mangkaliat Fault Zone.

Tectonic Element of Kutei BasinTectonic Element of Kutei Basin

GENERAL STRATIGRAPHYGENERAL STRATIGRAPHY

Lower Eocene Lower Middle Oligocene marine sediment

of Kuaro and Telakai Formations

Upper Oligocene Lower Miocene of deep marine sediment

of Pamaluan

Lower Miocene platform carbonate of Bebulu Fm.

Middle Late Miocene deltaic sediment of Pulau Balang

Pliocene paralic deltaic sediment of Kampung Baru

Formation.

Lower Eocene Lower Middle Oligocene marine sediment

of Kuaro and Telakai Formations

Upper Oligocene Lower Miocene of deep marine sediment

of Pamaluan

Lower Miocene platform carbonate of Bebulu Fm.

Middle Late Miocene deltaic sediment of Pulau Balang

Pliocene paralic deltaic sediment of Kampung Baru

Formation.

General Stratigraphy of The Kutei BasinGeneral Stratigraphy of The Kutei Basin

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Lithopacies Map Middle Miocene (N9-N15)Lithopacies Map Middle Miocene (N9-N15)

Regional Geological Cross section of The Kutei BasinRegional Geological Cross section of The Kutei Basin

Lithopacies Map Late Miocene (N16-N17)Lithopacies Map Late Miocene (N16-N17)

PETROLEUM SYSTEMPETROLEUM SYSTEM

SOURCE ROCK POTENTIALParalic/delta/restricted shallow marine carbonaceous mudstone ofthe Tanjung FormationShale of the Bongan Formation

SOURCE ROCK POTENTIALParalic/delta/restricted shallow marine carbonaceous mudstone ofthe Tanjung FormationShale of the Bongan Formation

RESERVOAR POTENTIALEocene Tanjung Formation

Carbonate facies of the Berai Formation Equiv. Kerendan limestoneMiocene deltaic sediments of Balikpapan and Kp. Baru Formation

RESERVOAR POTENTIALEocene Tanjung Formation

Carbonate facies of the Berai Formation Equiv. Kerendan limestoneMiocene deltaic sediments of Balikpapan and Kp. Baru Formation

SEAL POTENTIALOligocene shalesIntraformational seal within deltaic sediments

SEAL POTENTIALOligocene shalesIntraformational seal within deltaic sediments

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TRAP POTENTIAL

Structural trap

Monocl inal d ips s trat igraphic traps

Stratigraphic/structural trap (Oligocene carbonate buildup)

Clast ic stratigraphic traps

TRAP POTENTIAL

Structural trap

Monocl inal d ips s trat igraphic traps

Stratigraphic/structural trap (Oligocene carbonate buildup)

Clast ic stratigraphic traps

HYDROCARBON MIGRATION

Vertical Fault

Up Dip

HYDROCARBON MIGRATION

Vertical Fault

Up Dip

PETROLEUM SYSTEMPETROLEUM SYSTEM

Regional Stratigraphy ofKutei Basin

Regional Stratigraphy ofKutei Basin

Hydrocarbon Play Model of Kutei basinHydrocarbon Play Model of Kutei basin

Offering new exploration acreage area; especially focus in

the offshore area

Increasing production from mature fields

Today 70% oil produce from 30 years old fields.Ultimate recovery from these fields are often