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湖南弗拉阶地层的分布特征和页岩气有利区
Received:July 11, 2019  Revised:December 24, 2019  点此下载全文
引用本文:WANG Jianpo,WANG Chuanshang,Lü Rong,TIAN Wei. Distribution of the Frasnian strata in Hunan Province and shale gas prospects[J]. Geology in China, 2021, 48(5): 1499-1509(in Chinese with English abstract).
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Author NameAffiliation
WANG Jianpo Hubei Key Laboratory of Paleontology and Geological Environment Evolution, Wuhan 430205, Hubei, China
Wuhan Centre of Geological Survey, China Geological Survey, Wuhan 430205, Hubei, China 
WANG Chuanshang Hubei Key Laboratory of Paleontology and Geological Environment Evolution, Wuhan 430205, Hubei, China
Wuhan Centre of Geological Survey, China Geological Survey, Wuhan 430205, Hubei, China 
Lü Rong Hubei Key Laboratory of Paleontology and Geological Environment Evolution, Wuhan 430205, Hubei, China
Wuhan Centre of Geological Survey, China Geological Survey, Wuhan 430205, Hubei, China 
TIAN Wei Hubei Key Laboratory of Paleontology and Geological Environment Evolution, Wuhan 430205, Hubei, China
Wuhan Centre of Geological Survey, China Geological Survey, Wuhan 430205, Hubei, China 
基金项目:中国地质调查局项目(DD20160179,DD2019823)资助。
中文摘要:湖南上泥盆统弗拉阶佘田桥组泥页岩是重要的页岩气勘探目的层。由于区域上具有岩相分异显著、变化快的特征,佘田桥组存在多个同期地层,容易造成引用和野外识别困难,严重制约其页岩气调查工作进程。通过梳理佘田桥组及其同期地层的历史沿革,明确和圈定了它们的分布区域和使用范围。基于佘田桥组的岩石组合特征、有机碳含量的区域变化和已有调查成果,提出受陆缘碎屑输入影响较强的新化-涟源、邵东地区为页岩气有利勘探区的设想,同时认为找准台盆范围是页岩气调查发现的关键。
中文关键词:页岩气  弗拉期  佘田桥组  分布  有利区  油气勘查工程  湖南
 
Distribution of the Frasnian strata in Hunan Province and shale gas prospects
Abstract:Shale of the Frasnian Shetianqiao Formation in Hunan Province is an important target for shale gas exploration. The Shetianqiao Formation and its multiple coeval strata characterized by regional rapid lithofacies differentiation lead easily to confusion in quotation and difficulty in outcrop identification, which restrict its shale gas exploration process. By clarifying the historical evolution of Shetianqiao Formation and its corresponding strata, their distribution area and application area were defined and delineated. Based on the variation of rock assemblage, organic carbon and existing exploration results of the Shetianqiao Formation, it is proposed that the Xinhua-Lianyuan and Shaodong region with higher inputing of terrestrial detritus are the favorable prospects for shale gas exploration, and exactly locating the range of inter-platform basin in carbonate platform is the key role for further shale gas exploration.
keywords:Shale gas  Frasnian Stage  Shetianqiao Formation  distribution  prospects  oil-gas exploration engineering  Hunan Province
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