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KANGEAN BLOCK NORTHEAST JAVA BASIN

KANGEAN BLOCK NORTHEAST JAVA BASIN. Oleh : Aluwisia Juli H (26139) Herning Dyah K W (26491). LOKASI. Pembagian daerah secara geologi ( geological province ) dan sumur pada blok Kangean (Phillips et al .,1991). GEOLOGI REGIONAL. REGIONAL TECTONIC SETTING Pre tertiary Tertiary

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KANGEAN BLOCK NORTHEAST JAVA BASIN

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  1. KANGEAN BLOCKNORTHEAST 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 • Pre tertiary • Tertiary Back arc basin • Paleogene ekstensional rifting • Neogene compressional wrenching • Plio- Pleistocene Compressing Thrust folding

  4. REGIONAL STRATIGRAPHY • Fase transgresi Eosen – Oligosen Awal • Fase Transgresi Oligosen Akhir – Miosen Awal • Fase regresi Miosen Tengah • 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 Cret. syncline • Paleocene/Eocene backarc extension E – W Half graben • Early – Middle Miocene N – S compressional Uplift of Central High • Late Miocene N – S compressional uplift & inversion half graben Pagerungan young anticline • Present day compressional

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

  9. FOUR DISTINCT STRUCTURAL PROVINCES • Northern Platform • Central high • Kemirian Terrace • 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 : • Structural :Pagerungan Anticline • Stratigraphy :Carbonate (build up) • Seal : Ngimbang Shale LIdah • Oil Migration :10 MA (Peak oil 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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