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Mustika Delimantoro
Penentuan lokasi dan target sumur panas bumi pada wilayah kerja Panas Bumi Jaboi menggunakan aplikasi metode CSAMT dengan pemodelan 2D dengan data pendukung metode gravity = Determination of location and geothermal wells targeting in Jaboi Geothermal working area using CSAMT method application with 2D modeling of gravity method supporting data
Abstrak :
[ABSTRAK
PT. Sabang Geothermal Energi (PT. SGE) akan melakukan pemboran 2 sumur panas bumi pada WKP Jaboi untuk pembangkitan energi listrik 2 x 5 MW sehingga diperlukan penentuan lokasi sumur dan target pemboran yang diperkirakan dapat menghasilkan output uap yang maksimal. Dengan metode CSAMT yang ditunjang metode Gaya Berat akan dilakukan penelitian untuk mencari lokasi zona-zona produksi pada WKP Jaboi. Pemodelan terhadap data resistivitas batuan dari pengukuran dengan metode CSAMT yang dikombinasikan dengan pemodelan Gaya Berat, geologi dan hidrologi akan memberikan gambaran zona-zona produksi tersebut. Pemodelan dilakukan dengan model 2D menggunakan software WinGlinkTM. Penentuan lokasi dan target pemboran yang tepat dapat mengurangi investasi yang diperlukan oleh PT. SGE secara signifikan sehingga memberikan tingkat pengembalian investasi yang lebih baik untuk proyek panas bumi pada WKP Jaboi.
ABSTRACT PT Sabang Geothermal Energi (PT SGE) is planning to drill 2 geothermal wells in Jaboi Geothermal Working Area for 2 x 5 MW generation electricity, so it is required to determination of the well location and drilling targets which is expected to produce maximum steam output. CSAMT method that is supported by gravity method will be conducted to located the production zones in Jaboi Geothermal Working Area. Modeling of rock resistivity data from CSAMT method measurements which is combined with gravity modeling, geology, and hydrology will provide an overview of the production zones. Modeling was performed with a 2D model using WinGlinkTM software. Precise determination of location and drilling targets will reduce the necessary investment by PT SGE significantly, so as to provide the return on investment that is better for the geothermal project in Jaboi Geothermal Working Area.;PT Sabang Geothermal Energi (PT SGE) is planning to drill 2 geothermal wells in Jaboi Geothermal Working Area for 2 x 5 MW generation electricity, so it is required to determination of the well location and drilling targets which is expected to produce maximum steam output. CSAMT method that is supported by gravity method will be conducted to located the production zones in Jaboi Geothermal Working Area. Modeling of rock resistivity data from CSAMT method measurements which is combined with gravity modeling, geology, and hydrology will provide an overview of the production zones. Modeling was performed with a 2D model using WinGlinkTM software. Precise determination of location and drilling targets will reduce the necessary investment by PT SGE significantly, so as to provide the return on investment that is better for the geothermal project in Jaboi Geothermal Working Area., PT Sabang Geothermal Energi (PT SGE) is planning to drill 2 geothermal wells in Jaboi Geothermal Working Area for 2 x 5 MW generation electricity, so it is required to determination of the well location and drilling targets which is expected to produce maximum steam output. CSAMT method that is supported by gravity method will be conducted to located the production zones in Jaboi Geothermal Working Area. Modeling of rock resistivity data from CSAMT method measurements which is combined with gravity modeling, geology, and hydrology will provide an overview of the production zones. Modeling was performed with a 2D model using WinGlinkTM software. Precise determination of location and drilling targets will reduce the necessary investment by PT SGE significantly, so as to provide the return on investment that is better for the geothermal project in Jaboi Geothermal Working Area.]
2015
T45309
UI - Tesis Membership  Universitas Indonesia Library
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Monique Eugenia Dinar Rawung
Karakteristik geologi teknik lapangan EDT-D2, Desa Sobang, Kabupaten Lebak, Provinsi Banten = Geotechnical characteristics of EDT D2 field, Sobang Village, Lebak District, Banten Province
Abstrak :
Belum adanya data pendukung geologi teknik di daerah Gunung Endut membuat pengembangan proyek panas bumi di daerah tersebut terhambat, hal ini karena informasi karakteristik geologi teknik daerah Gunung Endut memiliki peran penting dalam pembangunan fasilitas-fasilitas PLTPB dari tahap eksplorasi hingga produksi. Tujuan penelitian ini adalah untuk mengetahui karakteristik geologi teknik daerah penelitian, kondisi geomorfologi daerah penelitian, serta kesesuaian lahannya untuk pembangunan wellpad eksplorasi panas bumi. Metode yang dilakukan melibatkan pemetaan lapangan, uji lapangan untuk mengetahui kekuatan batuan menggunakan schmidt’s hammer, serta uji lab untuk mengetahui batas-batas Atterberg dan mengetahui parameter-parameter kuat geser tanah, serta menggunakan GIS. Berdasarkan hasil uji lapangan dan lab, ditemukan 7 satuan geologi teknik pada daerah penelitian yang dikelompokkan berdasarkan karakteristik geoteknya, yaitu Batugamping Lapuk Sedang (BGLS), Endapan Koluvium (EK), Andesit Lapuk Rendah (ALR), Andesit Lapuk Sedang (ALS), Batupasir Lapuk Tinggi (BPLT), Tanah Pasir Gradasi Baik Mengandung Lanau Plastisitas Rendah (SW- SML), dan Tanah Pasir Gradasi Baik Mengandung Lanau Plastisitas Tinggi (SW- SMH). Berdasarkan kriteria pembangunan wellpad eksplorasi, daerah penelitian memiliki 5 lahan yang sesuai untuk menjadi lokasi pembangunan wellpad. ......The absence of geotechnical data at Mount Endut area has hampered the development of geothermal projects within the area as geotechnical information plays an important role in the construction of PLTPB facilities from the exploration to production stages. The purpose of this research is to examine the geotechnical characteristics and geomorphological conditions of the research area, and to analyze the land suitability of the research area to build a geothermal wellpad. Research methods that are used include field mapping, field test to know the rock strength using Schmidt’s hammer test, and laboratory test to find the Atterberg limits and shear strength parameters of soil. Based on its geotechnical properties tests, 7 geotechnical units are determined: Moderately Weathered Limestone (MWL), Colluvium Deposits (CD), Slightly Weathered Andesite (SWA), Moderately Weathered Andesite (MWA), Highly Weathered Sandstone (HWS), Well Graded Sand With Low Plasticity Silt (SW-SML), and Well Graded Sand With High Plasticity Silt (SW-SMH). Based upon the wellpad criterion, there are 5 potential areas in the research area to build geothermal wellpad.
Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2022
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UI - Skripsi Membership  Universitas Indonesia Library