深部地热能开发保温管技术研究现状及发展趋势  

Research status and consideration of thermal insulation pipe technology for deep geothermal energy development

作　　者：杜垚森[1] 封优生 伍晓龙[1] 师敏 高鹏举[1,4] 汤小仁[1] 赵远[1] 王晓赛 王庆晓 董向宇[1] 李秀峰[2] DU Yaosen;FENG Yousheng;WU Xiaolong;SHI Min;GAO Pengju;TANG Xiaoren;ZHAO Yuan;WANG Xiaosai;WANG Qingxiao;DONG Xiangyu;LI Xiufeng(Institute of Exploration Techniques,CAGS,Langfang Hebei 065000,China;Handan Weiye Geothermal Development Co.,Ltd.,Handan Hebei 056000,China;Langfang Polytechnic Institute,Langfang Hebei 065000,China;China University of Geosciences,Beijing 100083,China)

机构地区：[1]中国地质科学院勘探技术研究所,河北廊坊065000 [2]邯郸市伟业地热开发有限公司,河北邯郸056000 [3]廊坊职业技术学院,河北廊坊065000 [4]中国地质大学(北京),北京100083

出　　处：《钻探工程》2022年第6期138-145,共8页Drilling Engineering

基　　金：中国地质调查局地质调查项目“智能化深部钻探技术升级与应用示范”(编号:DD20211421);中国地质科学院勘探技术研究所项目“深部地热能开发真空纳米保温管导热系数影响机制研究”(编号:YB202205)。

摘　　要：地热能是一种清洁的可再生能源,用地热能替代高碳能源是减少碳排放的有效途径之一。井下保温管技术是影响地热能开采效率的关键技术之一。本文从保温管的结构、材料、保温材料及制作工艺方面介绍了井下保温管的发展研究现状,指出纳米保温材料与真空油管的融合将是未来的发展趋势,真空纳米保温管是用于深部地热能开采的首选,同时也指出了真空纳米保温管的基础结构因素对保温性能的影响机制是研究的重点,为优化保温管的制作工艺、降本增效提供参考。Geothermal energy is a kind of clean and renewable energy,and replacing high carbon energy with geothermal energy is one of the effective ways to reduce carbon emission.Underground pipe insulation technology is one of the key technologies that influence efficiency of geothermal energy exploitation.This paper describes the development situation of underground thermal insulation pipe in terms of the structure,pipe materials,insulation materials,and production process;and points out that the blend of nano insulation materials and vacuum pipe will be the development trend in the future with vacuum nano insulated pipe as the first choice for deep geothermal energy exploitation;meanwhile,it is pointed out that research should be focused on the influence mechanism of basic structure factors on thermal insulation performance of vacuum nano insulated pipe,which has guiding significance for optimization of the production process of thermal insulation tube,reduction of cost and increase of efficiency.

关 键 词：地热能 保温管技术 真空纳米保温管 真空油管 研究现状 发展趋势 

分 类 号：TE249[石油与天然气工程—油气井工程]