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All Journal Jurnal Ilmiah Teknologi Informasi Asia Bulletin of Geology
Eddy Ariyono Subroto
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Computer Science & IT Earth & Planetary Sciences Energy Engineering

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Penentuan Model Total Organic Carbon dengan Menggunakan Metode Artificial Neural Network dan Adaptive Neuro Fuzzy Inference System untuk Estimasi Potensi Gas Serpih di Cekungan Jawa Barat Utara Muhammad Rizqy Septyandy; Eddy Ariyono Subroto; Aveliansyah Aveliansyah
Jurnal Ilmiah Teknologi Informasi Asia Vol 17 No 1 (2023): Volume 17 Nomor 1 (8)
Publisher : LP2M INSTITUT TEKNOLOGI DAN BISNIS ASIA MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/jitika.v17i1.889

Abstract

Gas serpih adalah jenis gas alam yang dihasilkan dan terperangkap dalam batuan serpih yang kaya material organik. Potensi sebagai batuan induk gas serpih harus dibuktikan melalui analisis geokimia. Analisis geokimia hidrokarbon meliputi parameter kekayaan/total karbon organik (TOC), kematangan, dan jenis kerogen. Parameter kekayaan (TOC) hanya tersedia untuk empat sumur (SA-13, SA-11, E-5, dan JB-7), sehingga TOC sintetik harus dimodelkan. Artificial Neural Network (ANN) dan Adaptive Neuro Fuzzy Inference System (ANFIS) adalah jenis kecerdasan artifisial yang memberikan cara paling efektif untuk menentukan nilai TOC di sumur tanpa data hasil analisis laboratorium. Metode ANN adalah metode terbaik di Sub-cekungan Arjuna Selatan, E15, dan Jatibarang bagian barat dengan nilai korelasi 0,98. Metode ANFIS adalah metode terbaik di Jatibarang bagian timur dengan nilai korelasi mencapai 0,88.
LESSON LEARN OF GEOCHEMISTRY OF HYDROCARBON GASES AND CO2 IN MESOZOIC PETROLEUM SYSTEM OF PAPUA NEW GUINEA: IMPLICATION FOR THE FOLD BELT PLAY CONCEPT IN EASTERN PAPUA, INDONESIA Muhammad Saung Penggalih; Eddy Ariyono Subroto; Very Susanto
Bulletin of Geology Vol 8 No 1 (2024): Bulletin of Geology Vol. 8 no. 1
Publisher : Fakultas Ilmu dan Teknologi Kebumian (FITB), Institut Teknologi Bandung (ITB)

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Abstract

Abstract - The potential of oil and gas discovery at the Fold Belt Play concept in eastern Papua could be learned from the multiple production fields in Papua New Guinea Fault and Thrust Belt area which has similar geological condition. Therefore, the characteristic of geochemistry of hydrocarbon gases and CO2 at the Fold Belt Play concept is expected to be predictable by analogous of those gases occurrence in Mesozoic petroleum system of Papua New Guinea Fault and Thrust Belt area. The hydrocarbon gases are thermogenic origin, generated from Type II/III kerogen of Jurassic-Cretaceous source rock with gas maturity of about 1.2 to 2.0% Ro equivalent. The average CO2 percentage in Mesozoic reservoir at Papua New Guinea is ~1.58%. The relatively light d13C-CO2 (-25.2 to -10.4‰) unequivocally confirm that the low volume of CO2 is generated from kerogen maturation mechanism. For the Fold Belt Play concept in eastern Papua, the hydrocarbon gases are expected will have similar characteristic with the gases in Papua New Guinea. The low CO2 probably may only be found at Northern Fold Belt due to the preservation of thin-skinned deformation that have the basal detachment surface in the Kembelangan Group (Kopai Formation). In the other hand, at Central and Southern Fold Belt are predicted to contain moderate to high volume of inorganic CO2 migrated from Modio/Brug Dolomite.
Co-Authors Aveliansyah Aveliansyah Muhammad Rizqy Septyandy Muhammad Saung Penggalih Very Susanto