Sarkowi, Muh and Wibowo, Rahmat Catur and Karyanto, Karyanto Geothermal Reservoir Identification in Way Ratai Area Based on Gravity Data Analysis. IOP Publishing.
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Abstract
Gravity research in the Way Ratai geothermal prospect area was conducted to determine geothermal reservoirs, heat sources, and the structure of the geothermal reservoir. The research carried out includes 3D inversion modeling of gravity data. The Bouguer anomaly in the study area has 50 mGal to 120 mGal with low anomalies located in the southeast (Ketang and Kelagian), Northeast (Gedong Air, Sungai Langka, Gunung Betung) areas, and in the Pesawaran mountain area. The high anomaly is in Merawan – Hanuberak – Padang Cermin, Sumbersari and Kaliawi. The horizontal gravity gradient map analysis shows a pattern of fault structure trending northwest-southeast and southwest-northeast, according to the main fault structure in the area. 3D inversion modeling obtains a density distribution between 1.8 g/cc to 3 g/cc with a low-density distribution in the south, Mount Pesawaran/Ratai, Gunung Betung, and Sidoharum. The location of the manifestation is 9 km southeast of the Mount Ratai/Pesawaran summit. The existence of geothermal reservoirs is estimated to be in the Lubuk Badak and Miwung Hills areas which are located between the peaks of Mount Ratai/Pesawaran and geothermal manifestations. This is supported by the low-density distribution in the area and the resistivity map from audio-magnetotelluric data.
| Item Type: | Other |
|---|---|
| Subjects: | T Technology > TN Mining engineering. Metallurgy |
| Depositing User: | KARYANTO |
| Date Deposited: | 15 Feb 2022 01:09 |
| Last Modified: | 15 Feb 2022 01:09 |
| URI: | http://repository.lppm.unila.ac.id/id/eprint/39184 |
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