Characteristics of Geothermal Reservoir and Evaluation of Geothermal Resources in Shahejie Formation of Damintun Depression
刊名 Meteorological and Environmental Research
作者 Wenjin CHEN*, Hongyan LI, Bo PENG, Hailong JIN
作者单位 Liaohe Oilfield Environmental Engineering Company, Panjin 124010, China
DOI 10.19547/j.issn2152-3940.2024.05.018
年份 2024
刊期 5
页码 73-76
关键词 Geothermal reservoir resources; gradient of earth temperature; Liaohe Fault Depression
摘要 Damintun Depression is a key experimental area for promoting geothermal energy construction in Liaohe Oilfield during the dual-carbon period, and has a good potential for geothermal resources. Ascertaining the geological conditions in this area and accurately evaluating the geothermal resources in this area can provide theoretical support for the exploitation and utilization of geothermal resources in mining areas and the transformation of energy structure. In this paper, the geological structure, distribution of geothermal reservoir, earth temperature field and water chemical characteristics of Damintun Depression were analyzed comprehensively. The occurrence characteristics of geothermal resources in this block were revealed, and the amount of the resources was estimated. The results show that the main geothermal reservoir layers in this area are the first and third members of the Paleogene Shahejie Formation, which are the main target layers for geothermal development. The gradient of earth temperature in this ares is 2.8-3.5 ℃/100 m, and it is high in the west and north and low in the east and south. The total amount of geothermal reservoir resources in the favorable area of the research block is 783.28×106 GJ, equivalent to 2 672.69×104 tons of standard coal. The amount of recoverable geothermal reservoir resources is 195.827×106 GJ, equivalent to 668.17×104 tons of standard coal.