Distributed acoustic sensing using dark fiber for near-surface characterization and broadband seismic event detection
We present one of the first case studies demonstrating the use of distributed acoustic
sensing deployed on regional unlit fiber-optic telecommunication infrastructure (dark fiber) …
sensing deployed on regional unlit fiber-optic telecommunication infrastructure (dark fiber) …
Urban seismic site characterization by fiber‐optic seismology
Accurate ground motion prediction requires detailed site effect assessment, but in urban
areas where such assessments are most important, geotechnical surveys are difficult to …
areas where such assessments are most important, geotechnical surveys are difficult to …
Downhole monitoring using distributed acoustic sensing: fundamentals and two decades deployment in oil and gas industries
M Soroush, M Mohammadtabar, M Roostaei… - SPE EOR Conference …, 2022 - onepetro.org
Abstract Distributed Acoustic Sensing (DAS) through fiber optic has been deployed in
downhole monitoring for over two decades. Several technological advancements led to a …
downhole monitoring for over two decades. Several technological advancements led to a …
A literature review: Distributed acoustic sensing (DAS) geophysical applications over the past 20 years
Y Li, M Karrenbach… - … Acoustic Sensing in …, 2021 - Wiley Online Library
We briefly review the history of distributed acoustic sensing (DAS) as applied to geophysical
problems over the past 20 years, including a bibliography of about 900+ DAS‐related …
problems over the past 20 years, including a bibliography of about 900+ DAS‐related …
Seismic velocity estimation using passive downhole distributed acoustic sensing records: Examples from the San Andreas fault observatory at depth
Structural imaging and event location require an accurate estimation of the seismic velocity.
However, active seismic surveys used to estimate it are expensive and time‐consuming …
However, active seismic surveys used to estimate it are expensive and time‐consuming …
Horizontally orthogonal distributed acoustic sensing array for earthquake-and ambient-noise-based multichannel analysis of surface waves
SUMMARY A 2-D orthogonal distributed acoustic sensing (DAS) array designed for seismic
experiments was buried horizontally beneath the Kafadar Commons Geophysical …
experiments was buried horizontally beneath the Kafadar Commons Geophysical …
Pubdas: A public distributed acoustic sensing datasets repository for geosciences
During the past few years, distributed acoustic sensing (DAS) has become an invaluable
tool for recording high‐fidelity seismic wavefields with great spatiotemporal resolutions …
tool for recording high‐fidelity seismic wavefields with great spatiotemporal resolutions …
Measurement of surface‐wave phase‐velocity dispersion on mixed inertial seismometer–distributed acoustic sensing seismic noise cross‐correlations
A Nayak, J Ajo‐Franklin - Bulletin of the Seismological …, 2021 - pubs.geoscienceworld.org
The application of ambient seismic noise cross‐correlation to distributed acoustic sensing
(DAS) data recorded by subsurface fiber‐optic cables has revolutionized our ability to obtain …
(DAS) data recorded by subsurface fiber‐optic cables has revolutionized our ability to obtain …
Exploiting the Potential of Urban DAS Grids: Ambient‐Noise Subsurface Imaging Using Joint Rayleigh and Love Waves
Distributed acoustic sensing (DAS) data become important for seismic monitoring of
subsurface structures in urban areas. Different from the previous studies that only focused …
subsurface structures in urban areas. Different from the previous studies that only focused …
Using telecommunication fiber infrastructure for earthquake monitoring and near‐surface characterization
Summary The Stanford Fiber Seismic Observatory (SFSO) has been recording data using a
distributed acoustic sensing (DAS) laser interrogator attached to a fiber‐optic cable that was …
distributed acoustic sensing (DAS) laser interrogator attached to a fiber‐optic cable that was …