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https://ir.lib.ncu.edu.tw/handle/987654321/103578
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| 題名: | Evaluating the Chingshui geothermal reservoir in northeast Taiwan with a 3D integrated geophysical visualization model |
| 作者: | 張竝瑜;Chang, Ping-Yu;Lo, Wei;Song, Seng-Rong;Ho, Kong-Ruei;Wu, Chia-Shan;Chen, Chow-Son;Lai, Yu-Chi;Chen, Huei-Fen;Lu, Hseuh-Yu |
| 貢獻者: | 地球科學學院地球科學學系 |
| 關鍵詞: | Earth sciences;Earth, ocean, space;Electrical resistivity;Engineering and environment geology. Geothermics;Exact sciences and technology;Faults;Geophysics;Geothermal;Geothermal reservoir;Geothermics;Reservoirs;Three dimensional models;Valleys;Visualization;Visualization model |
| 日期: | 2014-04-01 |
| 上傳時間: | 2026-04-23 11:33:11 (UTC+8) |
| 出版者: | Elsevier Ltd.;Oxford: Elsevier Ltd |
| 摘要: | 摘要： •Integrated 3D geophysical visualization model for the Chingshui Geothermal field.•Data from magnetotelluric and resistivity surveys were utilized.•Collinear Schlumberger and orthogonal bipole–bipole resistivity explorations used.•MT data were processed with 1D and 2D inversion methods. In the current study, we assess the Chingshui geothermal reservoir with a three-dimensional visualization model that integrates geophysical measurements with well logs. To re-evaluate the geothermal reservoir quantitatively, we reprocessed resistivity measurements from a series of studies conducted nearly 40 years ago, as well as from the magnetotelluric (MT) explorations performed recently in the Chingshui area. We established a three-dimensional (3D) visualization model that integrates these different geophysical survey results as well as the well-logs to better perform the spatial relationships between them. From the orthogonal bipole–bipole resistivity surveys, we have identified several regional conductive structures with resistivity of less than 50Ohm-m representing the major fault zones of the Dahsi, Xiaonanao, and Chingshuihsi faults. Among them, the Chingshui fault is located along the Chingshuihsi River valley and is associated with hot spring features. The collinear Schlumberger survey along the Chingshuichi Valley identified three relatively conductive regions with resistivity of less than 20Ohm-m. The MT interpretation shows that the structure associated with the geothermal reservoir extends from these near-surface fractures to a depth of −1500m toward the south in the fault zone. The identified production zone from the core drilling records is consistent with the conductive structure in the MT inverted image. In addition, the structure seems to consist of two sub-regions: a somewhat shallow one at a depth of between −400 and −800m in the north and a somewhat deep one at a depth of between −600 and −1500m in the south. From the 3D model, we estimate that the volume of the Chingshui geothermal reservoir is about 9.54×107m3. Given a gross porosity of 0.1 and 100% saturation for the fracture zones from the core logs, the inferred Chingshui geothermal reservoir contains about 10 million cubic meters of geothermal fluids.
出版者： Oxford: Elsevier Ltd
出版日期： 2014-04-01
出處： Geothermics, 2014-04, Vol.50, p.91-100
版權： 2013 Elsevier Ltd
版權： 2015 INIST-CNRS
識別號： ISSN: 0375-6505
識別號： EISSN: 1879-3576
識別號： DOI: 10.1016/j.geothermics.2013.09.014
識別號： CODEN: GTMCAT |
| 顯示於類別: | [地球科學學系] 期刊論文
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