复杂地质构造的变频地震特征——以埃及舒山盆地和美国Arkoma盆地为例

IF 1 Q3 GEOCHEMISTRY & GEOPHYSICS
M. Abdel-Fattah, H. Alrefaee
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引用次数: 17

摘要

地震反射技术在复杂地质构造成像中发挥着至关重要的作用,并且越来越多地被接受为2D/3D视图的数据解释工具。这些地下地质构造由于其几何特性提供了复杂的地震信号。因此,根据地下构造来解释这些地震剖面是极其困难的。本文的主要目的是介绍地震属性作为解释不同地质背景下复杂地质构造的有力工具。为了对这些复杂的地质特征进行成像,对埃及舒山盆地和美国Arkoma盆地的地震数据应用了相干性和曲率等多种地震属性。每种类型的地质构造事件通常会产生独特的地震“特征”,我们可以利用这些地震属性来识别和识别这些地震特征。在舒山盆地(埃及),它们在解释过程中提供了框架和约束,可以帮助防止3D结构建模过程中的错误。在美国Arkoma盆地,地震属性结果为更广泛地分析Ouachita造山带与俄克拉荷马南部裂陷带相交区域的复杂构造关系提供了有用的信息。最后,复杂的地质构造提供了显著的变频地震特征,通过与多种地震属性的常规地震解释技术合作,可以很容易地解释这些特征。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Diacritical Seismic Signatures for Complex Geological Structures: Case Studies from Shushan Basin (Egypt) and Arkoma Basin (USA)
Seismic reflection techniques show an imperative role in imaging complex geological structures and are becoming more acceptable as data interpreting tools in 2D/3D view. These subsurface geological structures provide complex seismic signature due to their geometrical behavior. Consequently, it is extremely difficult to interpret these seismic sections in terms of subsurface configuration. The main goal of this paper is to introduce seismic attributes as a powerful tool to interpret complex geological structures in different geological settings. In order to image these complex geological features, multiple seismic attributes such as coherence and curvature have been applied to the seismic data generated over the Shushan Basin (Egypt) and Arkoma Basin (USA). Each type of geological structure event usually generates a unique seismic “signature” that we can recognize and identify by using these seismic attributes. In Shushan Basin (Egypt), they provide a framework and constraint during the interpretation and can help prevent mistakes during a 3D structural modeling. In Arkoma Basin (USA), the seismic attributes results provide useful information for broader analyses of the complex structural relations in the region where the Ouachita orogenic belt intersects with the southern Oklahoma aulacogen. Finally, complex geological structures provide dramatically diacritical seismic signatures that can be easily interpreted by collaborating conventional seismic interpretation techniques with multiple seismic attributes.
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来源期刊
International Journal of Geophysics
International Journal of Geophysics GEOCHEMISTRY & GEOPHYSICS-
CiteScore
1.50
自引率
0.00%
发文量
12
审稿时长
21 weeks
期刊介绍: International Journal of Geophysics is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles in all areas of theoretical, observational, applied, and computational geophysics.
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