扬子克拉通与周缘各盆地第二深度空间天然气潜能与供需前景  

Potential,supply and demand prospect of natural gas in the second deep space of Yangtze Craton and its peripheral basins

作　　者：滕吉文[1,2,3] TENG Jiwen(Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China;Jilin University,Changchun 130026,Jilin,China;University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院地质与地球物理研究所,北京100029 [2]吉林大学,吉林长春130026 [3]中国科学院大学,北京100049

出　　处：《矿产勘查》2023年第8期1317-1341,共25页Mineral Exploration

摘　　要：海相碳酸盐岩天然气在全球化石能源配置中占有重要地位。在中国,通过近20年的勘探、开发,相关理论、方法、技术不断提升,全国各大沉积盆地陆续发现新的天然气田,同时气的产出量亦在逐年增长,而在扬子克拉通基础上发育的四川盆地及其东缘地带在诸天然气沉积盆地具有极大的优势,即不论从岩相、埋深、产气量与气质水平均具优势。综合研究表明:(1)第二深度空间的页岩气(≥5000~10000 m)乃21世纪中叶前后在中国化石能源配置中将会占有主要地位,即60%左右的份额;(2)扬子克拉通中四川盆地与其东缘的碳酸盐岩及礁滩相沉积是优质烃源岩和页岩气成藏、成储的主体岩相;(3)高精度三维地震勘探与解释、大深度钻井与井下开发技术的提升是产出率提高的关键;(4)页岩气勘探与开采压裂响应及致灾与污染影响示范是页岩气可持续发展的重要环节。Marine carbonate gas plays an important role in fossil energies.In China,the geological theory,method,and techniques have been significantly improved with petroleum exploration and development in past two decades,and new gas fields have been discovered in sedimentary basins with increasing gas production.Especially,the Sichuan Basin and its eastern margin are preferable with respect to lithofacies,burial depth,gas yield and its gas quality.The results show that:(1)shale gas hosting between 5000 m and 10000 m will be an important fossil energy with a proportion of 60%;(2)carbonates and reef-bank deposits in the Sichuan Basin and its eastern margin could act as high-quality source rocks and main gas reservoirs;(3)High-resolution 3D seismic exploration and interpretation,and improved ultra-deep drilling and exploitation techniques are key to high yields;(4)The fracturing behavior,disaster response and formation contaminant during shale gas production cycle are key to influence sustainable development of shale gas.

关 键 词：四川盆地 第二深度空间 碳酸盐岩 天然气 水平压裂与响应 

分 类 号：P618.13[天文地球—矿床学]