David Alumbaugh
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View article: DeFault: DEep‐Learning‐Based FAULT Delineation Using the IBDP Passive Seismic Data at the Decatur CO2 Storage Site
DeFault: DEep‐Learning‐Based FAULT Delineation Using the IBDP Passive Seismic Data at the Decatur CO2 Storage Site Open
The carbon capture, utilization, and storage (CCUS) framework is an essential component in reducing greenhouse gas emissions, with its success hinging on the comprehensive knowledge of subsurface geology and geomechanics. Passive seismic e…
View article: DeFault: DEep‐Learning‐Based FAULT Delineation Using the IBDP Passive Seismic Data at the Decatur CO<sub>2</sub> Storage Site
DeFault: DEep‐Learning‐Based FAULT Delineation Using the IBDP Passive Seismic Data at the Decatur CO<sub>2</sub> Storage Site Open
The carbon capture, utilization, and storage (CCUS) framework is an essential component in reducing greenhouse gas emissions, with its success hinging on the comprehensive knowledge of subsurface geology and geomechanics. Passive seismic e…
View article: Utah FORGE: LBNL Reports on VEMP Electromagnetic Data Collection and Processing - 2024
Utah FORGE: LBNL Reports on VEMP Electromagnetic Data Collection and Processing - 2024 Open
This archive contains reports related to Vertical Electromagnetic Profiling (VEMP) tool data collection and processing at Utah FORGE in 2024. The first report describes LBNL's effort to collect electromagnetic geophysical data with the too…
View article: SMART – A Comprehensive Research and Development Program to Demonstrate Application of Machine Learning for Supporting CCS Deployment
SMART – A Comprehensive Research and Development Program to Demonstrate Application of Machine Learning for Supporting CCS Deployment Open
Presentation material for a paper presented at the GHGT-17 conference, Calgary, Canada, October 20-24, 2024. The objective of the US Department of Energy’s SMART Initiative, i.e., Science-informed Machine Learning (ML) for Accelerating Rea…
View article: An assessment of controlled source EM for monitoring subsurface CO2 injection at the wyoming carbonSAFE geologic carbon storage site
An assessment of controlled source EM for monitoring subsurface CO2 injection at the wyoming carbonSAFE geologic carbon storage site Open
Here we evaluate if electromagnetic (EM) geophysical methods for monitoring geologic carbon storage (GCS) efforts at the Wyoming CarbonSAFE project adjacent to the Dry Fork Station power plant near Gillette, Wyoming. This first involved ac…
View article: 3D modeling of deep borehole electromagnetic measurements with energized casing source for fracture mapping at the Utah Frontier Observatory for Research in Geothermal Energy
3D modeling of deep borehole electromagnetic measurements with energized casing source for fracture mapping at the Utah Frontier Observatory for Research in Geothermal Energy Open
We present a 3D numerical modelling analysis evaluating the deployment of a borehole electromagnetic measurement tool to detect and image a stimulated zone at the Utah Frontier Observatory for Research in Geothermal Energy geothermal site.…
View article: An assessment of the role of geophysics in future U.S. geologic carbon storage projects
An assessment of the role of geophysics in future U.S. geologic carbon storage projects Open
Geologic carbon storage (GCS) is ramping up worldwide as a viable component of carbon capture, utilization, and storage (CCUS) projects aimed at reducing greenhouse pollution to limit climate change. GCS may be a growth opportunity for the…
View article: Utah FORGE 3-2535: Joint Imaging of Fracture Growth and Estimation of Fracture Properties During EGS Development - 2024 Annual Workshop Presentation
Utah FORGE 3-2535: Joint Imaging of Fracture Growth and Estimation of Fracture Properties During EGS Development - 2024 Annual Workshop Presentation Open
This is a presentation on the Joint Electromagnetic/Seismic/InSAR Imaging of Spatial-Temporal Fracture Growth and Estimation of Physical Fracture Properties During EGS Resource Development by Lawrence Berkeley National Laboratory, presente…
View article: DeFault: Deep-learning-based Fault Delineation Using the IBDP Passive Seismic Data at the Decatur CO2 Storage Site
DeFault: Deep-learning-based Fault Delineation Using the IBDP Passive Seismic Data at the Decatur CO2 Storage Site Open
The carbon capture, utilization, and storage (CCUS) framework is an essential component in reducing greenhouse gas emissions, with its success hinging on the comprehensive knowledge of subsurface geology and geomechanics. Passive seismic e…
View article: Feasibility of FDEM cross-dipole and TDEM loop sources for monitoring CO2 at the Kemper CarbonSAFE site
Feasibility of FDEM cross-dipole and TDEM loop sources for monitoring CO2 at the Kemper CarbonSAFE site Open
Electromagnetics has been shown to be a viable tool to monitor CO2 plumes embedded in saline reservoirs. However, the majority of studies focus on measuring the electric field, which requires cumbersome equipment in the field and it is dif…
View article: The Kimberlina synthetic multiphysics dataset for <scp>CO<sub>2</sub></scp> monitoring investigations
The Kimberlina synthetic multiphysics dataset for <span>CO<sub>2</sub></span> monitoring investigations Open
We present a synthetic multi‐scale, multi‐physics dataset constructed from the Kimberlina 1.2 CO 2 reservoir model based on a potential CO 2 storage site in the Southern San Joaquin Basin of California. Among 300 models, one selected reser…
View article: Transforming microseismic clouds into near real-time visualization of the growing hydraulic fracture
Transforming microseismic clouds into near real-time visualization of the growing hydraulic fracture Open
SUMMARY Microseismic observations during unconventional reservoir stimulation are typically seen as a proxy for clusters of hydraulic fractures and the extent of the stimulated reservoir. Such straightforward interpretation is often mislea…
View article: Utah FORGE 3-2535: Joint EM-Seismic-InSAR Imaging of Fracture Properties - Workshop Presentation
Utah FORGE 3-2535: Joint EM-Seismic-InSAR Imaging of Fracture Properties - Workshop Presentation Open
This is a presentation on the Joint Electromagnetic/Seismic/InSAR Imaging of Spatial-Temporal Fracture Growth and Estimation of Physical Fracture Properties During EGS Resource Development project by Lawrence Berkeley National Laboratory, …
View article: Joint physics-based and data-driven time-lapse seismic inversion: Mitigating data scarcity
Joint physics-based and data-driven time-lapse seismic inversion: Mitigating data scarcity Open
In carbon capture and sequestration, developing rapid and effective imaging techniques is crucial for real-time monitoring of the spatial and temporal dynamics of CO2 propagation during and after injection. With continuing improvements in …
View article: ERT and crosswell EM imaging of CO2: Examples from a shallow injection experiment at the Carbon Management Canada CaMI FRS in Southeast Alberta, Canada
ERT and crosswell EM imaging of CO2: Examples from a shallow injection experiment at the Carbon Management Canada CaMI FRS in Southeast Alberta, Canada Open
Electromagnetic (EM) geophysical techniques offer the possibility of monitoring subsurface CO2 in saline reservoirs due to the fact that CO2 has high electrical resistivity compared to the surrounding geologic materials. In this paper we f…
View article: Deep learning multiphysics network for imaging CO<sub>2</sub> saturation and estimating uncertainty in geological carbon storage
Deep learning multiphysics network for imaging CO<sub>2</sub> saturation and estimating uncertainty in geological carbon storage Open
Multiphysics inversion exploits different types of geophysical data that often complement each other and aims to improve overall imaging resolution and reduce uncertainties in geophysical interpretation. Despite the advantages, traditional…
View article: Enhanced Multi-Dimensional Inversion Through Target-Specific Inversion Parameter Bounds With an Application to Crosswell Electromagnetic for Sequestration Monitoring
Enhanced Multi-Dimensional Inversion Through Target-Specific Inversion Parameter Bounds With an Application to Crosswell Electromagnetic for Sequestration Monitoring Open
In geophysical inversions, lower and upper model parameter bounds are a means of solution stabilization. Further, constraints that intend to let only geologically plausible inverse solutions pass are amenable to lower and upper bounds. Rel…
View article: Real‐time deep‐learning inversion of seismic full waveform data for CO<sub>2</sub> saturation and uncertainty in geological carbon storage monitoring
Real‐time deep‐learning inversion of seismic full waveform data for CO<sub>2</sub> saturation and uncertainty in geological carbon storage monitoring Open
Deep‐learning inversion has recently drawn attention in geological carbon storage research due to its potential of imaging and monitoring carbon storage in real time, significantly improving efficiency and safety of carbon storage operatio…
View article: Extremely Weak Supervision Inversion of Multi-physical Properties
Extremely Weak Supervision Inversion of Multi-physical Properties Open
Multi-physical inversion plays a critical role in geophysics. It has been widely used to infer various physical properties~(such as velocity and conductivity). Among those inversion problems, some are explicitly governed by partial differe…
View article: Kimberlina 1.2 CCUS Geophysical Models and Synthetic Data Sets
Kimberlina 1.2 CCUS Geophysical Models and Synthetic Data Sets Open
This synthetic multi-scale and multi-physics data set was produced in collaboration with teams at the Lawrence Berkeley National Laboratory, National Energy Technology Laboratory, Los Alamos National Laboratory, and Colorado School of Mine…
View article: Distributed electric field sensing using fibre optics in borehole environments
Distributed electric field sensing using fibre optics in borehole environments Open
In the past decade, rapid advances in distributed optical fibre sensing technologies have made it possible to record various geophysical data (e.g. strain, temperature and pressure) continuously in both time and space along the fibre, prov…
View article: Permeability Decline by Clay Fines Migration around a <scp>Low‐Salinity</scp> Fluid Injection Well
Permeability Decline by Clay Fines Migration around a <span>Low‐Salinity</span> Fluid Injection Well Open
Migration of clay fines can be a concern when less saline fluids are injected into brine‐saturated sandstone formations containing clays. If the salinity near fluid injection wells decreases below a critical value, the clay fines near the …
View article: An adaptable technique for comparative image assessment: Application to crosswell electromagnetic survey design for fluid monitoring
An adaptable technique for comparative image assessment: Application to crosswell electromagnetic survey design for fluid monitoring Open
Reservoir integrity stewardship accompanying carbon capture and sequestration considers fluid extraction and reinjection as a risk-mitigating method against overpressuring that could lead to caprock damage and ensuing CO2 leakage. Crosswel…