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All Journal Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Jurnal Neutrino : jurnal fisika dan aplikasinya Jurnal Spektra Journal of Natural Sciences and Mathematics Research PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL)
Tati Zera, Tati
Universitas Islam Negeri Syarif Hidayatullah Jakarta
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Other

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Application of the Acoustic Impedance (AI) Seismic Inversion and Multi-Attribute Method for Reservoir Characterization in Bonaparte Basin Maurin Puspitasari; Ambran Hartono; Egie Wijaksono; Tati Zera
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.4
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v4i1.19788

Abstract

Research on the application of the acoustic impedance (AI) seismic inversion and multi-attribute method was conducted with the aim to characterize the reservoir in the Bonaparte Basin. The modeling which used in the acoustic impedance inversion seismic method is model-based. Meanwhile, the multi-attribute seismic method used log porosity that appliying the linear regression method and using the stepwise regression technique. Based on the result of the sensitivity analysis and analysis using the seismic inversion acoustic impedance method, the sandstone reservoir zone that has the prospect of hydrocarbons containing gas is located in the Northeast-Southwest part of the study area which in WCB-1, WCB-3 and WCB-4 well with the acoustic impedance values are in the range of 4,800 - 13,000 (m / s) * (g / cc), and the porosity values generated from the analysis using the multi-attribute seismic method are in the range of 5 - 16% in WCB-1 and WCB-4, 2 - 10% on WCB-3.
Identification of Characteristics and Distribution of Subsurface Coal Using the 2D Geoelectric Method in Tanjung Palas Timur District, North Kalimantan Putri Sekar Ayuningsih; Sutrisno Dipl.Seis; Tati Zera; Nur Hidayat S.T, M,Si
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics AL-FIZIYA JOURNAL OF MATERIALS SCIENCE, GEOPHYSICS, INSTRUMENTATION AND THEORETICAL PHYSICS VOL.5, N
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v5i2.23106

Abstract

Based on regional geology, Tanjung Palas Timur Subdistrict is included in the only formation, which includes coal seams. The depletion of oil and gas energy sources in Indonesia results in the need for other alternative energy sources, one of which is coal. This study aims to determine the characteristics of coal in the study area. This research was conducted in Tanjung Palas Timur Subdistrict, North Kalimantan using the geoelectric resistivity method with a pole-pole configuration and 8 tracks which are divided into 2 track blocks. The resistivity geoelectric method is used because it is very suitable for mining exploration. Data processing was done in 2D using Res2dinv software and 3D using Rockworks15 software. The results of the geoelectric data processing of line 1 to 8 show that the coal seam in the study area has a resistivity of 10-30 Ωm with a thickness varying from 17.22 m - 60 m as a type of lignite coal. In addition, the research area is also dominated by layers of clay and sandstones. The continuity of the coal seam is also seen in block 1 from line 3 in the southwest direction to line 1 in the northeast direction.
SUMEDANG EARTHQUAKE RELOCATION PERIOD DECEMBER 31, 2023 – JANUARY 4, 2024 USING DOUBLE DIFFERENCE METHOD Maftuha, Ninda; Zera, Tati; NurFaizi, Mochamad
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 16, No 2 (2024): APRIL
Publisher : Universitas Islam Negeri Maulana Malik Ibrahim Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v16i2.26552

Abstract

On December 31, 2023, an earthquake occurred in Sumedang with a magnitude of M=4.8. The location of the epicenter is at coordinates 6.85'S and 107.94'E, or precisely on land at a distance of 2 km northeast of the center of Sumedang City, with a hypocenter of 5 km. This earthquake is categorized as a shallow earthquake (M
Co-Authors Adya Nur Syafitri Wijaya Ambran Hartono Ambran Hartono Ardhyastuti, Sri Dwi Haryanto Egie Wijaksono Maftuha, Ninda Maurin Puspitasari Muhammad Nafian Muhammad Thariq Almuqtadir Nur Hidayat Nur Hidayat S.T, M,Si NurFaizi, Mochamad Putri Sekar Ayuningsih Rahadian, Rahadian Rahmah, Safira Siva Dwi Harum Sutrisno Dipl.Seis Sutrisno Sutrisno Suwondo Suwondo Taufan Wiguna, Taufan Warto Utomo Wildan Cahara bg, ST.