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CO (sub 2) injection monitoring using transient electromagnetic in ground-borehole configuration


Using geophysical methods, specifically transient electromagnetic (TEM), for CO (sub 2) monitoring is an effective way to detect CO (sub 2) diffusion. In this work, a multi-scale finite-difference time-domain (FDTD) algorithm was established to monitor CO (sub 2) by defining new iterative relations and approximating boundary conditions, which achieves unification in the time and space domain. The response curve characteristics of different forms of CO (sub 2) were acquired by changing the receiver's depth and position, CO (sub 2) resistivity, scale, and injection stage. Different models considering a planar, tilted, and large-scale CO (sub 2) bodies, which were established to test the capacity of TEM monitoring for CO (sub 2) . The TEM response of injected CO (sub 2) bodies had obvious characteristics and the response curve had distinguishable differences from background. This phenomenon could provide reference models for real TEM CO (sub 2) monitoring.

ISSN: 1083-1363
EISSN: 1943-2658
Serial Title: Journal of Environmental & Engineering Geophysics
Serial Volume: 23
Serial Issue: 3
Title: CO (sub 2) injection monitoring using transient electromagnetic in ground-borehole configuration
Affiliation: Tianjin University, State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin, China
Pages: 335-348
Published: 201809
Text Language: English
Publisher: Environmental and Engineering Geophysical Society, Englewood, CO, United States
References: 29
Accession Number: 2019-004778
Categories: Environmental geologyApplied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
Secondary Affiliation: Shandong University, CHN, ChinaXi'an Research Institute of China Coal Technology & Engineering Group Corporation, CHN, China
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2019, American Geosciences Institute. Abstract, copyright, Environmental & Engineering Geophysical Society. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201905
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