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arXiv 2403.04083physics.geo-phcs.CEcs.NAmath-phmath.MPmath.NA
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时移全波形渗透率反演:可行性研究

Time-lapse full-waveform permeability inversion: a feasibility study

Ziyi Yin, Mathias Louboutin, Olav Møyner, Felix J. Herrmann

AI总结:

本文研究从叠前时移地震数据直接反演渗透率的端到端框架,利用Compass模型模拟北海咸水层CO2封存,通过实验评估其对初始模型和建模误差的敏感性,验证方法可行性。

摘要:

时移地震监测需要将地震建模与储层建模相结合的综合工作流程,以增强储层性质估计。我们提出了一项端到端反演框架的可行性研究,该框架直接从叠前时移地震数据中反演渗透率。为了评估该方法的稳健性,我们设计了实验,重点关注其对初始模型的敏感性以及建模中可能存在的误差。我们的研究利用Compass模型来模拟咸水层中的CO2封存,该模型来源于北海的井数据和地震数据,而北海是地质碳封存的一个候选场地。

英文摘要:

Time-lapse seismic monitoring necessitates integrated workflows that combine seismic and reservoir modeling to enhance reservoir property estimation. We present a feasibility study of an end-to-end inversion framework that directly inverts for permeability from prestack time-lapse seismic data. To assess the method's robustness, we design experiments focusing on its sensitivity to initial models and potential errors in modeling. Our study leverages the Compass model to simulate CO2 storage in saline aquifers, which is derived from well and seismic data from the North Sea, a candidate site for geological carbon storage.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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