哥伦比亚北安第斯山脉内华达德尔鲁伊斯地区Valle de Nereidas地热田热流和流体循环的形态构造控制

IF 3.9 2区 工程技术 Q3 ENERGY & FUELS
Luis Alvaro Botero-Gómez , Hugo Murcia , Martha Gabriela Gómez-Vasconcelos , John J. Sánchez , Julián López-Palacio , Julián Andrés Ortiz-González
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引用次数: 0

摘要

形态构造特征是地热资源评价的基础。它们提供了与地热活动有关的地质结构和地表特征的见解,从而提高了勘探和资源表征的效率。本研究利用不同的卫星图像信息和实地调查资源,通过构造轮廓、形态环境和地质单元评估了一个具有公认地热能源的地方,以确定Valle de Nereidas地热田的形态结构框架。结果表明:1)研究区热贡献主要与年龄小于2 Ma的火山喷发中心和喷发单元有关,并延伸至内华达德尔鲁伊斯火山杂岩以外;2)流体循环和补给带对应于裂隙熔岩流,热收缩有利于区域地下水的入渗和运移。研究结果表明,内雷达斯山谷地热系统受火山和构造特征的双重控制,年轻的火山构造作为热源,断裂和断裂带加强了流体循环。从Nereidas-1井获得的数据,包括岩性描述,有助于建立地下地质和地表地热活动表现之间的关系。这些结果有助于确定热异常和补给区域的空间分布,直接影响资源可持续性和油藏管理。进一步完善了地下热输运和流体动力学模型,为改进该区地热勘探策略提供了有价值的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Morphostructural controls on heat flow and fluid circulation in the Valle de Nereidas geothermal field, Nevado del Ruiz, Northern Andes, Colombia
Morphostructural features are essential for geothermal resource evaluation. They provide insights into geological structures and surface features that are linked to geothermal activity, thus enhancing exploration and resource characterization efficiency. This study assesses a place with recognized geothermal energy via structural lineaments, and morphological environments and geological units using diverse satellite images information and fieldwork resources to define the morphostructural framework of the Valle de Nereidas geothermal field. The results indicate that: 1) heat contribution in the study area is primarily associated with volcanic emission centers and units younger than 2 Ma, extending beyond the Nevado del Ruiz volcanic complex; and 2) fluid circulation and recharge zones correspond to fractured lava flows, where thermal contraction facilitates the infiltration and movement of regional groundwater. These findings suggest that the geothermal system in the Valle de Nereidas is controlled by both volcanic and structural features, where young volcanic edifices act as heat sources, and faulted and fractured zones enhance fluid circulation. Data from the drilled well Nereidas-1, including lithological descriptions, helped to establish relationships between subsurface geology and surface expressions of geothermal activity. These results help to define the spatial distribution of thermal anomalies and recharge areas, which directly impact resource sustainability and reservoir management. Furthermore, they provide valuable information for improving geothermal exploration strategies in the area by refining the model of subsurface heat transport and fluid dynamics.
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来源期刊
Geothermics
Geothermics 工程技术-地球科学综合
CiteScore
7.70
自引率
15.40%
发文量
237
审稿时长
4.5 months
期刊介绍: Geothermics is an international journal devoted to the research and development of geothermal energy. The International Board of Editors of Geothermics, which comprises specialists in the various aspects of geothermal resources, exploration and development, guarantees the balanced, comprehensive view of scientific and technological developments in this promising energy field. It promulgates the state of the art and science of geothermal energy, its exploration and exploitation through a regular exchange of information from all parts of the world. The journal publishes articles dealing with the theory, exploration techniques and all aspects of the utilization of geothermal resources. Geothermics serves as the scientific house, or exchange medium, through which the growing community of geothermal specialists can provide and receive information.
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