Recent advances and challenges of waveform‐based seismic location methods at multiple scales

L Li, J Tan, B Schwarz, F Staněk, N Poiata… - Reviews of …, 2020 - Wiley Online Library
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 …

Reverse time migration: A prospect of seismic imaging methodology

HW Zhou, H Hu, Z Zou, Y Wo, O Youn - Earth-science reviews, 2018 - Elsevier
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 …

Cross-correlation stacking-based microseismic source location using three metaheuristic optimization algorithms

J Zhou, X Shen, Y Qiu, X Shi, M Khandelwal - Tunnelling and Underground …, 2022 - Elsevier
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 …

Reverse time migration for microseismic sources using the geometric mean as an imaging condition

N Nakata, GC Beroza - Geophysics, 2016 - library.seg.org
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 …

Joint location and source mechanism inversion of microseismic events: Benchmarking on seismicity induced by hydraulic fracturing

D Anikiev, J Valenta, F Staněk… - Geophysical Journal …, 2014 - academic.oup.com
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 …

Data-driven microseismic event localization: An application to the Oklahoma Arkoma basin hydraulic fracturing data

H Wang, T Alkhalifah, U bin Waheed… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The microseismic monitoring technique is widely applied to petroleum reservoirs to
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

F Broggini, R Snieder, K Wapenaar - Geophysics, 2014 - library.seg.org
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 …

[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 …

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 …

Deep learning for efficient microseismic location using source migration‐based imaging

Q Zhang, W Zhang, X Wu, J Zhang… - … Research: Solid Earth, 2022 - Wiley Online Library
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 …