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首页> 外文期刊>First Break >Improved seismic images through full-azimuth depth migration: updating the seismic geological model of an oil field in the pre-neogene base of the Pannonian Basin
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Improved seismic images through full-azimuth depth migration: updating the seismic geological model of an oil field in the pre-neogene base of the Pannonian Basin

机译：通过全方位级深度迁移改进地震图像：更新Pannonian盆地预Neogene底座中油田的地震地质模型

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摘要

A seismic survey was conducted in a production oilfield located in Serbia, confined to the Pre-Neogene (Paleozoic) base of the Pannonian basin. It was assumed that additional significant unrecovered residual reserves still exist in this oil field, as well as additional similar undiscovered reservoirs. The further characterization of the existing reservoirs, and the identification and characterization of the new ones, required the implementation of advanced seismic imaging technology. Hence, a new project was designed composed of the following steps: Obtaining the highest possible seismic resolution in the area, and creating an updated, high-definition subsurface model that includes the structural complexities of the geological layers and the azimuthal anisotropic effects (e.g., fracture systems), especially within the target layers. This enables the identification and characterization of the target productive zones, making it possible to accurately design and plan the well placement.
机译：在位于塞尔维亚的生产油田中进行了地震调查，局限于Pannonian盆地的前Neogene（古生代）底座。 假设该油田中仍存在额外的显着未折叠的剩余储备，以及额外的类似未被发现的水库。 现有储层的进一步表征，以及新的储存器的识别和表征，所以实施先进地震成像技术。 因此，新项目由以下步骤组成：获得该地区的最高可能的地震分辨率，并创建更新的高清地下模型，包括地质层的结构复杂性和方位调效应（例如， 骨折系统），特别是在靶层内。 这使得能够识别和表征目标生产区域，使得可以精确地设计和规划井放置。

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