PEMODELAN STRUKTUR BAWAH PERMUKAAN LAPANGAN PANASBUMI BANDA BARU BERDASARKAN ANALISA DATA GRAVITASI
The study using gravity method was done in Banda Baru geothermal field to identify reservoir and fault structure. This study area is about 15 km x 20 km with 171 data points that spread randomly. Data processing begins from the complete Bouguer anomaly mapping, which is transformed into a flat surfa...
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| Main Authors: | , |
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| 格式: | Theses and Dissertations NonPeerReviewed |
| 出版: |
[Yogyakarta] : Universitas Gadjah Mada
2014
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| 在線閱讀: | https://repository.ugm.ac.id/131849/ http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=72356 |
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| 機構: | Universitas Gadjah Mada |
| 總結: | The study using gravity method was done in Banda Baru geothermal field to identify reservoir and fault structure. This study area is about 15 km x 20 km with 171 data points that spread randomly.
Data processing begins from the complete Bouguer anomaly mapping, which is transformed into a flat surface using the method Dampney, with a height of flat surface 600 meters and a depth of field equivalent of 9000 meters. Regional-residual anomaly separation has done using the upward continuation method at an altitude 900 meters.
From the modeling results indicate constituent rocks of the study area is intrusive rock with a density of 2.8 gr/cm3, metamorphic rocks with density 2.6 gr/cm3 that included in the Tehuru complex, sandstones with a density of 2.5 gr/cm3 that included in the Fufa complex is assumed as a reservoir, coral limestone with a density of 2.3 gr/cm3 carrying alluvium with density of 2.2 gr/cm3. In the model also visible graben that formed by several faults structure. |
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