Quantitative evaluation system of geothermal resources based on analytic hierarchy process: A case study of middle-deep hydrothermal sandstone reservoir in Caofeidian of Hebei Province
HE Dongbo, REN Lu, HAO Jie, et al. Quantitative evaluation system of geothermal resources based on analytic hierarchy process: A case study of middle-deep hydrothermal sandstone reservoir in Caofeidian of Hebei Province[J]. Petroleum Reservoir Evaluation and Development, 2023, 13(6): 713-725.
HE Dongbo, REN Lu, HAO Jie, et al. Quantitative evaluation system of geothermal resources based on analytic hierarchy process: A case study of middle-deep hydrothermal sandstone reservoir in Caofeidian of Hebei Province[J]. Petroleum Reservoir Evaluation and Development, 2023, 13(6): 713-725. DOI: 10.13809/j.cnki.cn32-1825/te.2023.06.002.
To quantitatively assess the quality of deep hydrothermal geothermal resources in the target area
with a focus on middle-deep hydrothermal resources in sedimentary basins
a comprehensive analysis is conducted. This analysis delves into the effects of geothermal geological conditions
the nature of the geothermal resources themselves
and the quality of geothermal fluids on the overall resource quality. For this assessment
sixteen indicators that significantly impact the quality of geothermal resources are identified. These indicators are then incorporated into an Analytic Hierarchy Process(AHP) framework
which assigns weights to each indicator
facilitating a quantitative evaluation. The middle-deep hydrothermal geothermal resources are divided into three levels and seven categories. Level Ⅰ areas are resource advantage areas that can be efficiently developed; Level Ⅱ areas are resource rich areas that meet the requirements of industrial development; Level Ⅲ areas are resource non enriched areas. Ultimately
a quantifiable resource evaluation system is formed to provide data analysis conclusions on whether geothermal resources can be utilized. The relevance and practicality of this evaluation system are demonstrated through its application in a case study. The example of geothermal development and usage in the Caofeidian District of Tangshan City
Hebei Province
serves as a testament to the system's effectiveness in guiding decision-making processes for geothermal resource utilization.