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3D OBC Seismic Survey Design Offshore Abu Dhabi - with Focal Beam Approach

机译:3D OBC地震测量设计近海阿布扎比 - 焦点梁方法

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Abstract We introduce a 3D ocean bottom cable (OBC) seismic survey design flow with the so-called focal beam method for finding the optimum acquisition geometry to satisfy geophysical requirements. This method is based on the so-called common focus point (CFP) technology, and it is a subsurface oriented and target oriented approach, making it possible to quantitatively analyze sought-after attributes, such as potential resolution and pre-stack amplitude fidelity, for one or more gridpoints in the subsurface of a given acquisition geometry. We implemented the survey design flow offshore Abu Dhabi with several acquisition geometries to understand the effects of essential survey parameters, like 4D spatial sampling intervals with and without symmetric sampling, aspect ratio, roll pattern and wave type to be recorded, on the sought-after attributes. Summarizing these results, the relationship between essential survey parameters and resulting data quality was well understood.
机译:摘要我们引入了3D海底电缆(OBC)地震测量设计流程,采用所谓的焦点光束方法,用于寻找最佳采集几何形状,以满足地球物理要求。该方法基于所谓的公共焦点(CFP)技术,并且它是一种地下面向和目标取向方法,使得可以定量分析寻求的属性,例如潜在的分辨率和堆叠预堆叠幅度保真度,对于给定的采集几何形状的地下中的一个或多个网格点。我们实施了调查设计流动海上Abu Dhabi与几个收购几何形状,了解基本调查参数的影响,如4D空间采样间隔,在寻求的后,如4D空间采样间隔,纵横比,滚动图案和波型,在寻求之后属性。总结这些结果,基本调查参数与导致数据质量之间的关系得到了很好的理解。

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