Results 1 to 10 of about 63,975 (205)

Model-Driven Processing of Passive Seismic While Drilling Data Acquired Using Distributed Acoustic Sensing Without Conventional Drill-Bit Pilot Measurements [PDF]

open access: yesSensors
This article presents an advanced processing workflow for a Seismic While Drilling (SWD) dataset acquired using Distributed Acoustic Sensing (DAS) in a cross-well setting at the Otway International Test Centre (OITC) in Victoria, Australia, where no ...
Emad Al-Hemyari   +2 more
doaj   +2 more sources

Supervised Deep Learning for Detecting and Locating Passive Seismic Events Recorded with DAS: A Case Study [PDF]

open access: yesSensors
Exploring shallow mineral resources requires acquiring denser seismic data, for which Distributed Acoustic Sensing is an effective enabler and relevant to mining operations monitoring.
Emad Al-Hemyari   +3 more
doaj   +2 more sources

Near-surface structure of the Sodankylä area in Finland, obtained by passive seismic interferometry [PDF]

open access: yesSolid Earth, 2021
Controlled-source seismic exploration surveys are not always possible in nature-protected areas. As an alternative, the application of passive seismic techniques in such areas can be proposed.
N. Afonin   +6 more
doaj   +1 more source

Weak Signal Enhancement for Passive Seismic Data Reconstruction Based on Deep Learning

open access: yesRemote Sensing, 2022
In conventional passive seismic exploration, it is often necessary to make a long-period seismic record. On the one hand, the passive seismic records with long period allowed us to screen several good passive seismic records with long period for seismic ...
Binghui Zhao   +3 more
doaj   +1 more source

Review of progress in passive seismic reflection exploration

open access: yes地球与行星物理论评, 2023
Seismic exploration is a key method for the study of underground structures. Active seismic surveys can acquire high signal-to-noise ratio reflection data; however, the operation of active seismic surveys is complicated, and the exploration cost is high.
Xiaomin Ruan   +6 more
doaj   +1 more source

Interpretation and analysis of seismic and analog modeling data of triangle zone: a case study from the frontal part of western Kura foreland fold-and-thrust belt, Georgia

open access: yesFrontiers in Earth Science, 2023
2D seismic reflection profiles revealed the presence of a triangle zone at the frontal part of the western Kura foreland fold-and-thrust belt of the pro-wedge of the Greater Caucasus.
Victor Alania   +5 more
doaj   +1 more source

Microseismic Location Error Due to Eikonal Traveltime Calculation

open access: yesApplied Sciences, 2021
The accuracy of computed traveltimes in a velocity model plays a crucial role in localization of microseismic events. The conventional approach usually utilizes robust fast sweeping or fast marching methods to solve the eikonal equation numerically with ...
Dmitry Alexandrov   +2 more
doaj   +1 more source

Characterization of a complex near-surface structure using well logging and passive seismic measurements [PDF]

open access: yesSolid Earth, 2016
We combine geophysical well logging and passive seismic measurements to characterize the near-surface geology of an area located in Hontomin, Burgos (Spain). This area has some near-surface challenges for a geophysical study.
B. Benjumea   +3 more
doaj   +1 more source

Seismic Vulnerability Analysis Using the Horizontal to Vertical Spectral Ratio (HVSR) Method on the West Palu Bay Coastline

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2023
This research was carried out to make a map of the dominant frequency (f0), amplification factor (A0), seismic susceptibility index (Kg), Vs30, Sediment Layer Thickness (H) and Peak ground acceleration (PGA).
Amirudin, Iktri Madrinovella, Sofian
doaj   +1 more source

4D Physics‐Based Pore Pressure Monitoring Using Passive Image Interferometry

open access: yesGeophysical Research Letters, 2023
This study introduces a technique for four‐dimensional pore pressure monitoring using passive image interferometry. Surface‐wave velocity changes as a function of frequency are directly linked to depth variations of pore pressure changes through ...
Eldert Fokker   +3 more
doaj   +1 more source

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