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Author:
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Year:
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Issue:
li yong wei bo kang po mian jian ce bao ceng
Author(s):
i.szulyovszky
,
DAI Chengxiang
Pages:
68
-
74
Year:
1988
Issue:
2
Journal:
Progress in Exploration Geophysics
Keyword:
伪阻抗
;
声测井
;
地震响应
;
地震剖面
;
伪速度
;
薄层
;
模拟剖面
;
地震资料
;
标定
;
反射系数
;
Abstract:
薄层的常规地震响应近似为入射子波的时间微商,反之,伪阻抗响应近似为入射子波。因而,由薄层组成的地质序列的伪阻抗响应比常规地震响应较简单且易解释。通过用检验炮资料标定声测井资料并执行零相位地震处理,声测井和伪速度剖面的吻合可得到改善,但振幅和相位差异通常被保留。文中描述了一个五步处理和解释程序。用声测井产生的模拟地震剖面进行多道解释是该程序的优点。该方法用野外资料进行了检验,在检验中,用本程序进行薄层检测和油气含量评价比常规地震方法更为可靠。
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