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 …
Cross-correlation stacking-based microseismic source location using three metaheuristic optimization algorithms
Microseismic location systems tend to be high-speed and precise. However, the requirement
of high precision tends to slow down the calculation speed. Fortunately, metaheuristics are …
of high precision tends to slow down the calculation speed. Fortunately, metaheuristics are …
Reverse time migration for microseismic sources using the geometric mean as an imaging condition
Time reversal is a powerful tool used to image directly the location and mechanism of
passive seismic sources. This technique assumes seismic velocities in the medium and …
passive seismic sources. This technique assumes seismic velocities in the medium and …
Joint location and source mechanism inversion of microseismic events: Benchmarking on seismicity induced by hydraulic fracturing
Seismic monitoring can greatly benefit from imaging events with a low signal-to-noise ratio
(SNR) as the number of the events with a low signal grows exponentially. One way to detect …
(SNR) as the number of the events with a low signal grows exponentially. One way to detect …
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 …
Data-driven wavefield focusing and imaging with multidimensional deconvolution: Numerical examples for reflection data with internal multiples
Standard imaging techniques rely on the single scattering assumption. This requires that the
recorded data do not include internal multiples, ie, waves that have bounced multiple times …
recorded data do not include internal multiples, ie, waves that have bounced multiple times …
[HTML][HTML] 地面与井中观测条件下的微地震干涉逆时定位算法
王晨龙, 程玖兵, 尹陈, 刘鸿 - 地球物理学报, 2013 - html.rhhz.net
勘探和开发非常规油气藏已经成为国际油气工业界的新热点. 由于这类油藏具有低渗透率的特点
, 开采过程中往往需要多级压裂形成能够使烃类自由流动的裂隙. 通过定位分析压裂过程中诱导 …
, 开采过程中往往需要多级压裂形成能够使烃类自由流动的裂隙. 通过定位分析压裂过程中诱导 …
Fast waveform detection for microseismic imaging using unsupervised machine learning
Y Chen - Geophysical Journal International, 2018 - academic.oup.com
Automatic arrival picking of certain seismic or microseismic phases has been studied for
decades. However, automatic detection of continuous signal waveforms has been seldom …
decades. However, automatic detection of continuous signal waveforms has been seldom …
Deep learning for efficient microseismic location using source migration‐based imaging
Migration‐based location methods (eg, time‐reverse imaging based on wave equation,
Kirchhoff summation, and diffraction stacking) can effectively locate events of low signal‐to …
Kirchhoff summation, and diffraction stacking) can effectively locate events of low signal‐to …