贵州省深部地热钻井现状与发展建议

Present Situation of Deep Geothermal Well in Guizhou and the Development Suggestion

摘要:

介绍了贵州省地热资源的主要类型、储层构造和储层及地理分布情况，阐述了当前贵州省深部地热钻井使用的钻井工艺技术与主要设备情况，包括井身结构、常用钻机与钻具组合、常用泥浆泵与固控系统、钻井液及固井技术研究现状等，分析了贵州省地热钻井存在的问题，提出了引进新工艺与新设备、加强相关研究的建议。

Abstract:

The paper introduces the main types of geothermal resource and the structure of the reservoir as well as the reservoir and geographical distribution in Guizhou, describes the current drilling technology and major equipments used for deep geothermal drilling, including well structure, commonly-used drilling rig, bottom hole assembly, commonly-used mud and solid control system, drilling fluid and the research situation of cementing technology. The existing problems of geothermal drilling in Guizhou are analyzed, and the suggestion of introducing new technology and new equipment is put forward.