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Identification of prospective significance levels for potential geothermal fields of India

机译:确定印度潜在地热田的潜在显着性水平

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This study aims to predict prospective significance levels of potential geothermal fields already identified by Geological Survey of India (GSI) and National Geophysical Research Institute (NGRI) by field investigations. Wide range of criteria's are considered in determining the relative significance level of each geothermal field in terms of cumulative score. These criteria's include useful resource base (URBfieid). Areal extent (A(field)), Minimum temperature as per geothermometry (T-min), Maximum temperature as per geothermometry (T-max), Utilization score (USfield), Cumulative discharge of thermal springs (Q), Minimum electrical resistivity (R-min), Maximum electrical resistivity (R-max) and Representative reservoir temperature as per Gas thermometry (T-gas). Fuzzy Analytical Hierarchy Process (Fuzzy AHP) is used to study the dominance of each geothermal field, evaluated over the aforementioned criteria to find cumulative score. URBfieid depends on possible extraction temperature of reservoir estimated by COMSOL Multiphysics (R) modelling and simulation software. The geothermal fields are conceptualized as shallow homogenous reservoirs with injection and extraction wells. The attributes of remaining criteria are collected from published works of NGRI and GSI. The results of this study ratify that Puga geothermal field is the most significant site among the identified potential geothermal fields, to conduct further developmental works and for commercial extraction of geothermal energy. (C) 2018 Elsevier Ltd. All rights reserved.
机译:这项研究的目的是预测印度地质调查局(GSI)和国家地球物理研究所(NGRI)通过野外调查已经确定的潜在地热田的潜在重要水平。在根据累积得分确定每个地热场的相对显着性水平时,考虑了广泛的标准。这些条件包括有用的资源库(URBfieid)。地域范围(A(场)),根据地热法的最低温度(T-min),根据地热法的最高温度(T-max),利用率得分(USfield),热泉的累积排放量(Q),最小电阻率( R-min),最大电阻率(R-max)和根据气体温度计(T-gas)的代表性储层温度。模糊层次分析法(Fuzzy AHP)用于研究每个地热场的优势,并根据上述标准进行评估,以找到累积得分。 URBfieid取决于COMSOL Multiphysics(R)建模和仿真软件估计的可能的储层提取温度。地热场在概念上被认为是具有注入和抽取井的浅层均质油藏。其余标准的属性是从NGRI和GSI发表的作品中收集的。这项研究的结果证明,在确定的潜在地热田中,Puga地热田是最重要的场所,可以开展进一步的开发工作并进行地热能的商业开采。 (C)2018 Elsevier Ltd.保留所有权利。

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