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GAS IN PLACE PREDICTION OF COAL BED METHANE EXPLORATION WITH PROXIMATE DATA, PIT “HMG”, WEST BANKO, SOUTH SUMATRA REZA MOHAMMAD GANJAR GANI; Hafsanjani Arbi; Yusi Firmansyah; . Nurdrajat; Muhammad Kurniawan Alfadli
Bulletin of Scientific Contribution: GEOLOGY Vol 16, No 2 (2018): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (508.388 KB) | DOI: 10.24198/bsc geology.v16i2.18556

Abstract

The energy demand are increase everyday, but the supply insufficiently if only depends on conventional energy. Coal bed methane exploration are one of the unconventional energy that can fulfill energy demand. The main aspect of coal bed methane exploration are the reserve of gas in place. In this research are use conventional data to approach a prediction and calculation of gas in place at PIT “HMG”, West Banko, Tanjung Enim, South Sumatra. Based on the analysis shows that the gas content are increase as the deeper of seam, and the total gas in place are 235.30 MMcf, with Seam C has the highest value 72.47 MMcf.
ANALISIS SKEMA PENGENDAPAN FORMASI PEMATANG DI SUB-CEKUNGAN AMAN UTARA, CEKUNGAN SUMATERA TENGAH SEBAGAI BATUAN INDUK. Reza Mohammad Ganjar Gani; Yusi Firmansyah
Bulletin of Scientific Contribution: GEOLOGY Vol 15, No 1 (2017): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (700.61 KB)

Abstract

ABSTRAKAnalisis  Formasi Pematang sebagai salah satu penghasil batuan induk di Sub-Cekungan Aman Utara, Cekungan Sematera Tengah merupakan hal yang menarik untuk dikaji, bagaimana Formasi Pematang ini terendapkan dengan mekanisme cekungan belakang busur dengan sistem pengendapn syn-rift menjadi salah satu Formasi yang dikenal sebagai penghasil batuan induk yang baik. Objek penelitian terfokus pada pustaka tentang kondisi geologi, stratigrafi regional daerah penelitian dengan fokus pada grup Formasi pematang dan data seismik daerah penelitian yang nanti akan saling berkaitan.Pada penampang seismik memperlihatkan struktur sesar batas dan sesar-sesar penyerta yang berarah relatif Baratlaut - Tenggaradan geometri antiklin pada blok footwall yang kemungkinan bisa  menjadi perangkap minyak di daerah penelitian.  Formasi yang dapat berperan menjadi batuan induk selain Formasi Brown Shale adalah Formasi Lower Red Bed, karena di beberapa sumur formasi ini memperlihatkan parameter potensi, kualitas dan kematangan yang cukup baik.Kata kunci: seismik stratigrafi, rift-system, Grup PematangABSTRACTPematang Formation as a source rocks potential at North Aman Sub-Basin, Central Sumatra Basin it is interesting to learn, how Pematang Formation formed with syn-rift mekanism is prooved that Pematang Formation is one of the source rocks potential. The object research focused about geological condition, regional stratigraphy with main research at Pematang Formation which related to be analysed. Seismic shows fault system as a border fault with relative northwest – southeast direction with anticlyne geometry at footwall analyzed for the play at research area. Beside Brown Shale Formation which is has a good potential as source rocks, we have a Lower Red Bed Formation also good potensial as a source rocks showed good on potential, quality and matureness.Keywords: stratigraphy seismik, rift-system, Pematan Group, Geochemistry