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Fiber-optic seismology
Distributed acoustic sensing (DAS) is an emerging technology that repurposes a fiber-optic
cable as a dense array of strain sensors. This technology repeatedly **s a fiber with laser …
cable as a dense array of strain sensors. This technology repeatedly **s a fiber with laser …
Using the shallow strain tensor to characterize deep geologic reservoirs
Storing and recovering water, carbon, and heat from geologic reservoirs is central to
managing resources in a changing climate. We tested the hypothesis that the strain tensor …
managing resources in a changing climate. We tested the hypothesis that the strain tensor …
Modeling subsurface explosions recorded on a distributed fiber optic sensor
Fiber optic distributed acoustic sensors (DAS) are becoming a widely used tool for seismic
sensing. Here we examine recordings of two subsurface chemical explosions, DAG‐1 and …
sensing. Here we examine recordings of two subsurface chemical explosions, DAG‐1 and …
Geophysical monitoring using active seismic techniques at the Citronelle Alabama CO2 storage demonstration site
Abstract Between August 2012 and September 2014, about 114,000 metric tonnes of CO 2
was captured from the coal-fired Plant Barry Power Station at Bucks Alabama and injected …
was captured from the coal-fired Plant Barry Power Station at Bucks Alabama and injected …
Toward improved distributed acoustic sensing sensitivity for surface-based reflection seismics: Configuration tests at the Aquistore CO2 storage site
Alternative fiber configurations have been tested in an attempt to improve the sensitivity of
surface-deployed distributed acoustic sensing (DAS) fiber cables for the purpose of …
surface-deployed distributed acoustic sensing (DAS) fiber cables for the purpose of …
Seasonal effects on DAS using buried helically wound cables
In recent years, distributed acoustic sensing (DAS) has gained large popularity in applied
geophysics. Development of helically wound cables (HWC) has pushed the technology …
geophysics. Development of helically wound cables (HWC) has pushed the technology …
Performance of synthetic DAS as a function of array geometry
Distributed Acoustic Sensing (DAS) can record acoustic wavefields at high sampling rates
and with dense spatial resolution difficult to achieve with seismometers. Using optical …
and with dense spatial resolution difficult to achieve with seismometers. Using optical …
Time-Lapse Analysis of Surface Waves Recorded Using a Helically Wound Das Cable and Surface Orbital Vibrators
In time-lapse seismic data analysis, extraction of the desired signal requires an
understanding of patterns and characteristics of noise. In particular, onshore seismic data …
understanding of patterns and characteristics of noise. In particular, onshore seismic data …
Multiwell DAS VSP monitoring of a small-scale CO2 injection: experience from the Stage 3 Otway Project
Seismic monitoring is an important tool for CO 2 geosequestration projects because it is
capable of both imaging large volumes of the injected fluid and detecting smaller volumes …
capable of both imaging large volumes of the injected fluid and detecting smaller volumes …
Evaluation of Potential DAS Array Geometries for the Source Physics Experiment, Phase III
TW Luckie, RW Porritt - 2023 - osti.gov
Distributed Acoustic Sensing (DAS) is a rapidly develo** technology that can record
acoustic wavefields at high sampling rates and with dense spatial spacing difficult to achieve …
acoustic wavefields at high sampling rates and with dense spatial spacing difficult to achieve …