Experience with Using Controlled Source Electromagnetics (CSEM) for CCUS Monitoring and Future Applications
CCUSモニタリングのためのCSEM（制御源電磁法）の使用経験と将来の応用 (AI 翻訳)
P. Kirmizakis, P. Soupios, C. Benetatos, C. Barajas, S. Davydycheva, H. Freitag, M. Silva, K. Strack, F. Verga
🤖 gxceed AI 要約
日本語
米国ノースダコタ州で実施されたCSEM（制御源電磁法）を用いた地中CO2プルームモニタリングの実証研究。表面ログスケールの分解能を達成し、流体プルームの境界特定や体積推定に高い精度を示した。3D異方性モデルとノイズ評価により、CO2飽和度に伴う比抵抗変化の検出が可能となり、貯留層の完全性監視や漏洩経路特定に有効。水素貯蔵や地熱など他の地下エネルギー貯蔵への応用可能性も示唆。
English
This study demonstrates the feasibility of Controlled Source Electromagnetic (CSEM) methods for monitoring subsurface CO2 plumes in a CCS project in North Dakota, USA. Surface log-scale resolution was achieved, accurately delineating plume boundaries and estimating fluid volumes. A robust 3D anisotropic model incorporating petrophysical analysis and noise assessment enabled detection of subtle resistivity changes from CO2 saturation, crucial for storage integrity and leakage detection. The approach shows promise for time-lapse (4D) monitoring and can be extended to other subsurface storage systems like hydrogen and geothermal.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本ではCCSの実証・事業化が進んでおり、SSBJ開示基準でもCCS関連の情報開示が注目される。本論文はCSEMという具体的なモニタリング技術の有効性を示しており、日本のCCSプロジェクトにおけるモニタリング手法の選択肢として参考になる。
In the global GX context
As global CCUS deployment accelerates, reliable monitoring technologies are critical for verifying storage integrity and meeting regulatory requirements. This paper provides empirical evidence that CSEM can effectively track CO2 plumes, offering a complementary tool to seismic methods. The findings are relevant for international frameworks like the IPCC guidelines and for operators seeking cost-effective monitoring solutions.
👥 読者別の含意
🔬研究者:Provides a detailed case study of CSEM application for CO2 monitoring, including petrophysical modeling and noise assessment, useful for advancing geophysical monitoring techniques.
🏢実務担当者:Demonstrates a practical method for monitoring CCS sites, offering insights into survey design and data integration for operators and service companies.
🏛政策担当者:Highlights the potential of CSEM as a verification tool for carbon storage projects, which could inform regulatory standards for monitoring and reporting.
📄 Abstract（原文）
Abstract An electromagnetic (EM) geophysical survey using Controlled Source Electromagnetic (CSEM) methods was conducted in North Dakota, USA, to evaluate its feasibility for monitoring subsurface CO2 fluid plumes. This study assesses the advantages, constraints, and necessary enhancements of both passive and active electromagnetic techniques in the context of carbon capture and storage (CCS). Surface log-scale resolution was successfully achieved, demonstrating the method's capability to delineate fluid plume boundaries and estimate fluid volumes with high accuracy. These findings underscore CSEM's ability to detect subtle resistivity changes associated with CO2 saturation, an essential factor in monitoring fluid migration and ensuring storage integrity. A detailed petrophysical analysis supported the construction of a robust 3D anisotropic model, which accounted for heterogeneities in reservoir properties and included local noise assessments to optimize survey parameters and data quality. Integrating magnetic and electric field measurements proved crucial in enhancing spatial resolution and sensitivity to subsurface changes, facilitating precise characterization of geological formations and fluid distributions. Results confirmed the effectiveness of this integrative geophysical approach for dynamic reservoir monitoring, enabling time-lapse (4D) imaging to track plume evolution over time. The promising outcomes suggest significant potential for CSEM in ongoing and planned CO2 storage projects, particularly for verifying containment, detecting leakage pathways, and informing injection strategies. Furthermore, the techniques and insights gained from this study hold broader implications for monitoring other subsurface energy storage systems, including underground hydrogen storage, recharge aquifers, and even geothermal reservoir development. As global interest in subsurface storage technologies grows, advanced EM methods like CSEM are poised to be pivotal in supporting sustainable and secure energy transition initiatives.
🔗 Provenance — このレコードを発見したソース
- openaire https://doi.org/10.2118/225486-msfirst seen 2026-05-05 19:07:59
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