Achievements and prospects of exploitation, utilization and management of geothermal resources in Tianjin
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摘要: 【研究目的】天津市地热资源禀赋优势突出，在地热勘查、开发、保护、管理的诸多方面均处于领先地位。但在生态文明建设、能源资源安全保障和“双碳”目标实现的大背景下，地热资源开发利用和管理仍有不足，需进一步研究探讨。【研究方法】本文基于天津市地热资源开发利用的历程和成就，论述了天津市地热资源开发利用的现状与存在问题，明确了地热管理面临的挑战，提出了科学指导地热资源可持续开发利用的具体对策和方法。【研究结果】未来应整体提高天津市地热勘查控制程度，摸清4 000~6 000 m 地热资源家底，保障资源供给；加强砂岩孔隙型热储回灌衰减防治、储层改造与外源水回灌等关键技术研究工作，提高资源承载力；推动多能联用、并网互通，降低尾水温度，提升供热效率，增加供热能力；加强地热资源管理的统一性、完整性和引导性，营造有利于地热资源开发利用的政策环境。【结论】天津市地热勘查历史悠久方法完善，地热开发与保护并重，管理体系日益规范，对全国地热勘查起到了引领作用。未来应提升勘查程度，挖掘深部热储资源；突破砂岩孔隙型热储回灌衰减技术难点，合理设置采灌布局和开发模式；完善地热井全生命周期管理机制，创新地热资源管理模式，推动地热产业健康有序发展。Abstract: This paper is the results of geothermal resources exploration, utilization and management.[Objective] Tianjin's geothermal resource endowment has outstanding advantages, and it is in a leading position in geothermal exploration, development, protection and management in China. However, under the background of the construction of ecological civilization, the security of energy resources and the realization of the goal of " double carbon, " the utilization and management of geothermal resources are still deficiency, which needs further research and discussion. [Methods] Based on the history and achievements of the utilization of geothermal resources in Tianjin, this paper discusses the current situation and existing problems of the utilization of geothermal resources, clarifies the challenges faced by geothermal management, and puts forward specific countermeasures and methods to scientifically guide the sustainable utilization. [Results] In the future, the control degree of geothermal exploration in Tianjin should be improved, and the geothermal resources of 4 000~6 000 m should be found out to ensure the supply of resources; Key technologies such as prevention and control of sandstone pore-type reinjection attenuation, reservoir reconstruction and injection of exogenous water should be strengthened to improve resource carrying capacity; It is necessary to promote multi-energy combination, grid-connected interconnection, reduce tail water temperature, improve heat supply efficiency and increase heat supply capacity; Strengthen the unity, integrity and guidance of geothermal resource management, and create a policy environment conducive to the development and utilization of geothermal resources. [Conclusions]Tianjin has a long history of geothermal exploration, and the method is perfect. Geothermal development and protection are equally important, and the management system is increasingly standardized, which has played a leading role in the national geothermal exploration. In the future, we should improve the degree of exploration and tap the deep geothermal resources; Break through the technical difficulties of sandstone reservoir reinjection attenuation, reasonably set the layout and development mode of geothermal resources utilization.Improve the life cycle management mechanism of geothermal wells, innovate the management mode of geothermal resources, and promote the healthy and orderly development of geothermal industry.
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Key words:
- geothermal resources /
- exploitation and utilization /
- geothermal management /
- Tianjin
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