Enrichment mechanism and resource potential of shale-type helium:A case study of Wufeng Formation-Longmaxi Formation in Sichuan Basin

作     者：Haikuan NIE Quanyou LIU Wei DANG Pei LI Haikun SU Hanyong BAO Liang XIONG Zhujiang LIU Chuanxiang SUN Peixian ZHANG Haikuan NIE;Quanyou LIU;Wei DANG;Pei LI;Haikun SU;Hanyong BAO;Liang XIONG;Zhujiang LIU;Chuanxiang SUN;Peixian ZHANG

作者机构：State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Efficient DevelopmentBeijing 102206China Sinopec Key Laboratory of Shale Oil/Gas Exploration and Production TechnologyBeijing 102206China Petroleum Exploration and Production Research InstituteSINOPECBeijing 102206China Institute of Energy ResearchPeking UniversityBeijing 100871China School of Earth Sciences and EngineeringXi’an Shiyou UniversityXi’an 710065China School of Energy ResourcesChina University of Geosciences(Beijing)Beijing 100083China Research Institute of Exploration and DevelopmentJianghan Oilfield CompanySINOPECWuhan 430223China Research Institute of Exploration and DevelopmentSouthwest Oil&Gas CompanySINOPECChengdu 610041China Sinopec Exploration CompanyChengdu 610041China Research Institute of Exploration and DevelopmentEast China Petroleum&Gas BranchSINOPECNanjing 210019China 

出 版 物：《Science China Earth Sciences》 (中国科学（地球科学英文版）)

年 卷 期：2023年第66卷第6期

页      面：1279-1288页

核心收录：

学科分类：081803[工学-地质工程] 08[工学] 0818[工学-地质资源与地质工程] 

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.42141021 41872124&42130803) 

主　　题：Shale Helium content Enrichment mechanism Resource potential Sichuan Basin 

摘      要：China’s helium resource is highly dependent on overseas ***-rich and U/Th-rich shale reservoirs generally contain helium,and although the helium content is low,the total reserve is ***,the effective development and utilisation of shale-type helium resources is a realistic way to improve the security of helium resources in *** this study,the generation mechanism,helium source and content,migration modes and pathways,controlling factors of enrichment,distribution pattern,and resource potential of the helium were analysed,using the Wufeng-Longmaxi shale in the Sichuan Basin and its ***,countermeasures were proposed for shale-type helium exploration and *** results show that the Wufeng-Longmaxi shale has a high content of U and Th and a good ability to generate *** helium is generated by a typical crustal source of helium and is characterised by self-generation,self-storage,and wide *** helium resource potential is a product of its content and the resources of the associated natural *** continuous supply of helium and effective preservation are the main geological factors that control the enrichment of shale-type *** preliminary evaluation results show that the reserves of helium in proven shale gas reserves are 10.8×10^(8)m^(3)in the Sichuan Basin and its periphery,where the extra-large helium fields are likely to be ***,0.0912×10^(8)m^(3)of helium was produced,along with the annual production of shale *** avoid the waste of helium and to improve the self-supply ability,it is suggested that research on the resource potential,enrichment mechanism,and distribution pattern of shale-type helium should be carried out as soon as possible,and helium extraction techniques for helium-bearing natural gas should be studied.