油页岩原位转化技术发展现状及展望

Development Status and Prospects of In-situ Conversion Technology in Oil Shale

合理高效地开发油页岩资源对中国能源安全与经济发展有重要的战略意义。油页岩地下原位转化技术相比地面干馏技术具有独特的优势,是未来油页岩开采的发展方向。文章系统地分析了代表性的油页岩地下原位转化技术发展现状,对电传导加热、热流体加热、辐射加热、燃烧加热等工艺的特点进行了归纳。结合目前研究现状,从储层造缝、地下储集空间封闭、高效加热与新能源应用等方面提出了下步研究方向。该研究可为实现油页岩绿色高效开采提供技术参考。

Rational and efficient development of oil shale resources is of strategic significance for energy security and economic development of China.The underground in-situ conversion technology of oil shale had unique advantages compared with surface destructive distillation technology,providing a new direction for oil shale exploitation in the future.In this paper,the development status of underground in-situ conversion technology of typical oil shale was systematically analyzed,and the process characteristics were summarized,such as electric conduction heating,thermal fluid heating,radiation heating and combustion heating.Combined with existing studies,the next study targets were proposed from the aspects of reservoir fracturing,underground reservoir space closure,efficient heating and new energy applications.The study can provide technical reference for green and efficient exploitation of oil shale.