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3D VSP processing and imaging: A case study at Mad Dog, Gulf of Mexico

机译:3D VSP处理和成像:墨西哥湾疯狗的案例研究

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3D VSP data provides a unique opportunity to improve image resolution and fault definition in the vicinity of a well. However, the processing and imaging of VSP data requires special accommodations for its distinctive acquisition geometry. In this abstract, we demonstrate two key VSP pre-processing steps that greatly impacted the final image from the Mad Dog 3D VSP data, including XYZ vector field reorientation based on 3D elastic finite-difference modelling, and shot-to-shot directional designature using near field hydrophone data. We also discuss how utilizing the multiple energy - in addition to primary - extends our capability to image the shallow overburden.
机译:3D VSP数据提供了一个独特的机会,可以在井附近提高图像分辨率和故障定义。然而,VSP数据的处理和成像需要特殊的住宿,以获得其独特的采集几何体。在这个摘要中,我们演示了两个关键的VSP预处理步骤,从疯狂的狗3D VSP数据中大大影响了最终图像,包括基于3D弹性有限差异建模和射击向定向设计的XYZ矢量字段重新定向近场亲水声数据。我们还讨论了如何利用多种能量 - 除了主要 - 扩展我们对浅层覆盖的能力。

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