Recent advances and challenges of waveform‐based seismic location methods at multiple scales
Source locations provide fundamental information on earthquakes and lay the foundation for
seismic monitoring at all scales. Seismic source location as a classical inverse problem has …
seismic monitoring at all scales. Seismic source location as a classical inverse problem has …
Reverse time migration: A prospect of seismic imaging methodology
Reverse time migration (RTM) is a seismic imaging method to map the subsurface reflectivity
using recorded seismic waveforms. The practice in exploration seismology has long …
using recorded seismic waveforms. The practice in exploration seismology has long …
Source location using time‐reverse imaging
B Artman, I Podladtchikov, B Witten - Geophysical Prospecting, 2010 - earthdoc.org
We present the chain of time‐reverse modeling, image space wavefield decomposition and
several imaging conditions as a migration‐like algorithm called time‐reverse imaging. The …
several imaging conditions as a migration‐like algorithm called time‐reverse imaging. The …
Frequency and fluid effects on elastic properties of basalt: Experimental investigations
In order to investigate the effects of fluid and frequency on the elastic properties, we
performed hydrostatic experiments on an Icelandic basalt specimen under both dry and …
performed hydrostatic experiments on an Icelandic basalt specimen under both dry and …
Data-driven microseismic event localization: An application to the Oklahoma Arkoma basin hydraulic fracturing data
The microseismic monitoring technique is widely applied to petroleum reservoirs to
understand the process of hydraulic fracturing. Geophones continuously record the …
understand the process of hydraulic fracturing. Geophones continuously record the …
Time-reverse modelling of acoustic wave propagation in attenuating media
T Zhu - Geophysical Journal International, 2014 - academic.oup.com
Time-reverse modelling (TRM) of acoustic wave propagation has been widely implemented
in seismic migration and time-reversal source imaging. The basic assumption of this …
in seismic migration and time-reversal source imaging. The basic assumption of this …
A passive seismic survey over a gas field: Analysis of low-frequency anomalies
Passive seismic low-frequency (from approximately 1–6 Hz) data have been acquired at
several locations around the world. Spectra calculated from these data, acquired over fields …
several locations around the world. Spectra calculated from these data, acquired over fields …
Time reverse modeling of acoustic emissions in a reinforced concrete beam
The time reverse modeling (TRM) is applied for signal-based acoustic emission (AE)
analysis of reinforced concrete (RC) specimens. TRM uses signals obtained from physical …
analysis of reinforced concrete (RC) specimens. TRM uses signals obtained from physical …
Direct microseismic event location and characterization from passive seismic data using convolutional neural networks
The ample size of time-lapse data often requires significant event detection and source
location efforts, especially in areas such as shale gas exploration regions where a large …
location efforts, especially in areas such as shale gas exploration regions where a large …
Using the Morris sensitivity analysis method to assess the importance of input variables on time-reversal imaging of seismic sources
A Franczyk - Acta Geophysica, 2019 - Springer
The time-reversal imaging method has become a standard technique for seismic source
location using both acoustic and elastic wave equations. Although there are many studies …
location using both acoustic and elastic wave equations. Although there are many studies …