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井震联合分析预测神狐海域天然气水合物可能的垂向分布
Authors
张光学
徐华宁
+5 more
杨睿
杨胜雄
梁蓓雯
王明君
郑晓东
Publication date
1 January 2014
Publisher
Abstract
已有的地质与地球物理信息表明南中国海北部陆坡神狐海域存在天然气水合物,2007年钻井和取样结果证实其以细颗粒均匀存在于水合物稳定带内,但区域分布范围极不规则.由于测井记录长度和取样深度的范围有限,天然气水合物垂向分布特征难以确定.为了深入了解此区域天然气水合物深度上的分布规律,对SH7井的多种测井数据进行综合分析并与地震反射特征建立联系,得到三个主要的沉积物性变化层位并以此为基础进行叠后数据的伪井约束反演,结果表明在已证实的含水合物层之下还存在高速层.而AVO叠前正演模拟分析结果与实际地震数据对比表明,研究区的天然气水合物稳定带可能由含水合物沉积物与饱水沉积物的薄互层组成,这就意味着在取样获得天然气水合物样品的深度之下,很可能存在另一个含水合物层
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/19415
Last time updated on 05/12/2019
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/31688
Last time updated on 04/12/2021
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/19417
Last time updated on 05/12/2019