Results 1 to 10 of about 7,669 (224)

Research Developments and Prospects on Microseismic Source Location in Mines

open access: yesEngineering, 2018
Microseismic source location is the essential factor in microseismic monitoring technology, and its location precision has a large impact on the performance of the technique.
Jiulong Cheng, Laifu Wen
exaly   +4 more sources

Numerical simulation study on sub-regional evolution of microseismic characteristics of mining overburden rock [PDF]

open access: yesMeitan kexue jishu, 2023
In order to explore the fracture zone characteristics and microseismic evolution within overburden rock above mining coal seam, based on the geological engineering conditions of a mine, a microseismic simulation method was constructed according to the ...
Guotao YUAN   +4 more
doaj   +2 more sources

Curvelet-Based Stochastic Noise Suppression for Downhole DAS Microseismic Data [PDF]

open access: yesSensors
Distributed acoustic sensing (DAS) converts fiber cables into dense strain-rate sensor arrays, capturing direct, reflected and guided seismic phases with ultra-fine spatial sampling.
Youyuan Zhang   +6 more
doaj   +2 more sources

A dual branch model for predicting microseismic magnitude time series named DTFNet [PDF]

open access: yesScientific Reports
Microseismic monitoring is crucial in realizing intelligent early warning of coal mine rockbursts. Utilizing historical microseismic monitoring data to predict future microseismic events effectively enhances the accuracy of impact disaster prediction and
Hao Luo   +5 more
doaj   +2 more sources

Time series prediction of microseismic energy level based on feature extraction of one-dimensional convolutional neural network

open access: yes工程科学学报, 2021
With the gradual transition of coal mining to deep mining, the number and intensity of rock burst events in the deep mining process are gradually increasing.
Yan-yu PEI   +5 more
doaj   +1 more source

Study on the dynamic response and the hazard of rock burst under the influence of fault slip

open access: yesFrontiers in Earth Science, 2023
In the process of coal mine production, rock burst accidents near faults occur frequently. In order to further reveal the induced mechanism of fault slip rock burst, a numerical simulation method for dynamic calculation of fault slip under the influence ...
Peng Kong   +7 more
doaj   +1 more source

Influence Evaluation of Sensor Coordinate Error on Microseismic Source Location

open access: yesFrontiers in Earth Science, 2022
In microseismic (MS) source localization, it is usually assumed that the sensor coordinates are accurate. However, there are generally measurement errors for the sensor coordinates in practical engineering, which severely affect the location accuracy of ...
Tao Li   +10 more
doaj   +1 more source

Effect of Velocity Anisotropy in Shale on the Acoustic Emission Events Matching and Location

open access: yesFrontiers in Earth Science, 2022
Accurate source event location is important in fracturing monitoring and characterization. Velocity anisotropy has a great influence on both events matching and events location. Failure to take into account the velocity anisotropy can lead to huge errors
Peng Wang, Feng Zhang, Xiang-Yang Li
doaj   +1 more source

Transfer learning for self-supervised, blind-spot seismic denoising

open access: yesFrontiers in Earth Science, 2022
Noise is ever present in seismic data and arises from numerous sources and is continually evolving, both spatially and temporally. The use of supervised deep learning procedures for denoising of seismic datasets often results in poor performance: this is
Claire Birnie, Tariq Alkhalifah
doaj   +1 more source

Microseismic Events Cause Significant pH Drops in Groundwater

open access: yesGeophysical Research Letters, 2021
Earthquakes cause rock fracturing, opening new flow pathways which can result in the mixing of previously isolated geofluids with differing geochemistries.
M. Stillings   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy