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KANGEAN BLOCK NORTHEAST JAVA BASIN Oleh : Aluwisia Juli H (26139) Herning Dyah K W (26491)

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Presentation on theme: "KANGEAN BLOCK NORTHEAST JAVA BASIN Oleh : Aluwisia Juli H (26139) Herning Dyah K W (26491)"— Presentation transcript:

1 KANGEAN BLOCK NORTHEAST JAVA BASIN Oleh : Aluwisia Juli H (26139) Herning Dyah K W (26491)

2 LOKASI Pembagian daerah secara geologi (geological province) dan sumur pada blok Kangean (Phillips et al.,1991)

3 GEOLOGI REGIONAL REGIONAL TECTONIC SETTING REGIONAL TECTONIC SETTING Pre tertiaryPre tertiary TertiaryTertiary Back arc basin Back arc basin  Paleogene ekstensional rifting  Neogene compressional wrenching  Plio- Pleistocene Compressing Thrust folding

4 REGIONAL STRATIGRAPHY Fase transgresi Eosen – Oligosen Awal Fase transgresi Eosen – Oligosen Awal Fase Transgresi Oligosen Akhir – Miosen Awal Fase Transgresi Oligosen Akhir – Miosen Awal Fase regresi Miosen Tengah Fase regresi Miosen Tengah Fase regresi Miosen Akhir - Pliosen Fase regresi Miosen Akhir - Pliosen

5 REGIONAL TECTONIC SETTING (Manur, H. & Barraclough, R., 1994)

6 HIGH & LOW PATTERN (Mudjiono R & Pireno G., 2001 dengan modifikasi)

7 LOCAL TECTONIC Cretaceous subducting Cretaceous subducting Cret. syncline Cret. syncline Paleocene/Eocene backarc extension Paleocene/Eocene backarc extension E – W Half graben Early – Middle Miocene N – S compressional Early – Middle Miocene N – S compressional Uplift of Central High Late Miocene N – S compressional Late Miocene N – S compressional uplift & inversion half graben Pagerungan young anticline Present day compressional Present day compressional

8 Tectonic Model of East Java – Biliton Basinal Area (Purnomo J & Purwoko 1994)

9 FOUR DISTINCT STRUCTURAL PROVINCES Northern Platform Northern Platform Central high Central high Kemirian Terrace Kemirian Terrace Southern Basin Southern Basin

10 Structural Province Pembagian daerah secara geologi (geological province) (Phillips et al.,1991)

11 BASIN CONFIGURATION Syn – rift : Paleocene – Mid. Eocene Pre – Ngimbang :ss, shale, coal Ngimbang Clastic :q ss-shale, coal Rifting : Eocene Ngimbang Carbonate Sagging : Late Eocene Ngimbang Shale Kujung Fm: carbonate, shale PrupuhFm : carbonate Cepu Fm : shale Rancak Fm: carbonate Inversion : Late Miosen Mundu Fm: shale Paciran: carbonate Lidah: shale

12 LOCAL STRATIGRAFI COLUMN (Phillips et al.,1991)

13 Cross section of Northern Platform (Phillips et al.,1991)

14 PETROLEUM SYSTEM  Source rock :  Clastic Pre –Ngimbang  Clastic Ngimbang  Pre Tersier (post mature)  Reservoar :  Ngimbang: SS, Carbonate  Prupuh: Carbonate  Paciran : SS, Carbonate

15 Trap: Trap: Structural :Pagerungan Anticline Structural :Pagerungan Anticline Stratigraphy :Carbonate (build up) Stratigraphy :Carbonate (build up) Seal: Seal:Ngimbang Shale ShaleLIdah Oil Migration :10 MA (Peak oil Ngimbang) Oil Migration :10 MA (Peak oil Ngimbang) 10 MA ( Peak gas Pre Ngimbang ) 10 MA ( Peak gas Pre Ngimbang )

16 Regional Tectonic Setting (Manur, H. & Barraclough, R., 1994)

17 Major Tectonic Framework In Western Indonesia (Purnomo J & Purwoko 1994)

18 Regional Stratigraphy (Purnomo J & Purwoko 1994)

19 Seismic Cross Section Northern Platform (Phillips et al.,1991)


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