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NORTH SUMATERA -MERGUI BASINS:The Role of Geological Setting and Hydrocarbon potentiale o e o Geo og ca Sett g a d yd oca bo pote t a
(Indonesia Team; EPPM Launching Seminar, Bangkok, October 9-10, 2008)
GEOLOGICAL SETTINGGEOLOGICAL SETTINGOFOFOFOF
NORTH SUMATERANORTH SUMATERA
Sumatera-Malaya Terrains
(Hutchinson, 1994)(Hutchinson, 1994)
(Cameron and Pulunggono, 1984)(Cameron and Pulunggono, 1984)
THE ROLE OF GEOLOGICALTHE ROLE OF GEOLOGICALTHE ROLE OF GEOLOGICALTHE ROLE OF GEOLOGICALSETTING & PETROLEUM POTENTIALSETTING & PETROLEUM POTENTIAL
SUMATERA (WESTERN INDONESIA)SUMATERA (WESTERN INDONESIA)SUMATERA (WESTERN INDONESIA)SUMATERA (WESTERN INDONESIA)
Sumatera/Western IndonesiaTectono stratigraphyTectono-stratigraphy
1. 1. SynSyn--rift and Associated Riftrift and Associated Rift--valley Fill valley Fill DepositionDeposition (Eocene(Eocene--Oligocene)Oligocene)DepositionDeposition (Eocene(Eocene--Oligocene)Oligocene)
2. 2. ‘‘PostPost--rift’ Transgressive Phase Depositionrift’ Transgressive Phase Deposition(Oligocene(Oligocene--Early Miocene) Early Miocene) (Oligocene(Oligocene Early Miocene) Early Miocene)
3. 3. SynSyn--orogenic Regressive Phase Depositionorogenic Regressive Phase Deposition(Middle Miocene(Middle Miocene--Present)Present)(Middle Miocene(Middle Miocene Present)Present)
Sumatera/Western Indonesia Tertiary Basin DevelopmentTertiary Basin Development
Paleogene PhasePaleogene Phase::RiftRift--valley Basin Formationvalley Basin Formation
Neogene PhaseNeogene Phase::Neogene PhaseNeogene Phase::Compressive Basin Formation: ForeCompressive Basin Formation: Fore--arc and Backarc and Back--arc Basinsarc Basinsarc Basinsarc Basins
Sumatera/Western Indonesia /Paleogene Basin Development
Rifting And RiftRifting And Rift--valley Basinsvalley BasinsRifting And RiftRifting And Rift--valley Basins.valley Basins.Collisions And Foreland Basins.Collisions And Foreland Basins.S bd iS bd i iiSubduction, ForeSubduction, Fore--arc Basins.arc Basins.
Western Indonesia Paleogene Basins
Western Indonesia Neogene Basin
North Sumatera-Mergui Basins, Thai Sector Well Results(Andreason, et al., 1997)
A30 Ma
B16 Ma
A
BASIN EVOLUTION
B
(Andreason, et al., 1997)
C13 Ma
D5 Ma
C
B
(Andreason, et al., 1997)
A B
A
PALEOGEOGRAPHY AND LITHOFACIES
(Andreason, et al., 1997)B
C D
C
B(Andreason, et al., 1997)
Anonym (2008)
Generalized Stratigraphy of North Sumatera Basin (Hakim, et al., 2007)( , , )
PETROLEUM SYSTEMPETROLEUM SYSTEM
Petroleum System of North Sumatera Basin (Hakim, et al., 2007)
Petroleum System of Mergui-North Sumatera Basins(Andreason, et al., 1997)
Productive petroleum Systems of SE Asia-Australasia(Howes, 1997)
Productive petroleum systemsSE Asia-Australia showing Dominant facies and in-placeDominant facies and in-place petroleum resources(Howes, 1997)
O & G RESERVEDO & G RESERVEDFOR INDONESIAFOR INDONESIAFOR INDONESIAFOR INDONESIA
OIL RESERVED OF INDONESIAStatus 1 January 2007
Oil Reserved (MMSTB)
Source: Ditjen MIGAS 2008
GAS RESERVED OF INDONESIAGAS RESERVED OF INDONESIA
Total GasProven = 106.01 TSCFPotential = 58.98 TSCFTOTAL = 164.99 TSCF
FUTURE AND PROGRAMFUTURE AND PROGRAM
More detailed study and research on G G explorationsMore detailed study and research on G-G explorationsand developments in the North Sumatera-Mergui Basins.
Thus, it will open a challenge to enhance for newhydrocarbon discoveries in the near future.