公益性氦气资源调查研究进展

    Progress of commonweal helium resource survey and research

    • 摘要: 我国氦气资源调查评价从基础理论到勘查技术方法长期空白。为提高我国氦气资源保障能力,中国地质调查局西安地质调查中心在这一冷门的领域经过十余年坚持探索,依托渭河盆地,利用地质研究、地球物理探测、地球化学勘查、地热井氦气调查、气测录井和现代测试技术手段: 开拓了氦气基础地质调查工作,认识了渭河盆地氦气富集地质条件,圈定了远景区; 提出了壳源氦气弱源成藏概念,构建了不同类型成藏模式,总结了氦气富集成藏(氦含量达到0.1%)基本条件,形成了氦气资源调查技术方法; 支撑我国首个氦气探矿权落户渭河盆地,提出了氦气资源保障路径,引领了“新一轮”氦气热。经过系统整理的公益性氦气资源调查研究进展,可为同行业科研人员开展相关研究提供借鉴。

       

      Abstract: The basic theory and exploration technology of helium resource in China have been lacking for a long time. In order to enhance the support capability of domestic helium resource, Xi'an Center of China Geological Survey took Weihe Basin as a base to carry out a continuous exploration on this unpopular field for over ten years. Geological research, geophysical exploration, geochemical surveying, helium survey of geothermal wells, gas logging, and modern testing technology were employed to pioneer the fundamental geological survey of helium. The geological conditions for helium enrichment have been successfully identified and prospective areas have been delineated in Weihe Basin. Furthermore, the reservoir formation theory of weakly sourced helium from crustal source was proposed and various accumulation models were established. Consequently, the essential requirements for helium-rich formation (with a minimum helium content of 0.1%) have been summarized, and the technical methods for investigating helium resource have been developed. This project has supported the identification of the domestic first mining claims for helium in Weihe Basin, and presented a pathway to secure helium resource, leading a “new round” of helium fever. The comprehensive summary of the progress made in the survey and research of commonweal helium resource was summarized, which could provide valuable insights for colleagues in the same field to carry out related research.

       

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