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绪言一般推断认为,在地壳内蕴藏着的热能是庞大的!近年来,对地壳深部蕴藏着的热能的开发特别受到重视,以日本、欧美各国为中心的高温岩体(HDR)研究正在积极地进行.今后,由于地热开发的部位主要是深部地壳热能的开发,所以利用作为导热面的地下人工裂隙工程设计所需的基础研究是必不可少的.已经得知,利用浅层热水、蒸气的现有地热发电站的所谓热储层也是由天然裂隙和微孔形成的,而从为了增加热能提取的“地下刺激”技术
INTRODUCTION It is generally assumed that there is a huge amount of thermal energy in the earth’s crust. In recent years, the development of thermal energy in the deep crust has been given special attention. The research on high-temperature rock mass (HDR) around Japan, Europe and the United States is actively In the future, basic research required for the design of underground artificial fracturing works as a heat transfer surface is indispensable since geothermal development mainly involves the development of deep crustal heat It has been known that the use of shallow hot water, steam The so-called thermal reservoirs of existing geothermal power stations are also formed by natural fractures and micropores, and from the “underground stimulation” technology to increase thermal energy extraction