Journal
SENSORS
Volume 21, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/s21092897
Keywords
DAS; distributed; seismology; downhole; seismic; exploration
Funding
- Stanford Exploration Project Affiliate Program
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Distributed Acoustic Sensing (DAS) is increasingly popular in industrial and academic sectors for its high spatial and temporal resolution; a key advantage is the ability to install fibers in boreholes to record seismic signals at depth; this review article summarizes various seismic uses of downhole DAS, highlighting current limitations and potential solutions.
Distributed Acoustic Sensing (DAS) is gaining vast popularity in the industrial and academic sectors for a variety of studies. Its spatial and temporal resolution is ever helpful, but one of the primary benefits of DAS is the ability to install fibers in boreholes and record seismic signals in depth. With minimal operational disruption, a continuous sampling along the trajectory of the borehole is made possible. Such resolution is highly challenging to obtain with conventional downhole tools. This review article summarizes different seismic uses, passive and active, of downhole DAS. We emphasize current DAS limitations and potential ways to overcome them.
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