Results 91 to 100 of about 13,531 (202)

.Design of acquisition system of multi-channel microseismic signal

open access: yesGong-kuang zidonghua, 2018
In view of problems of high cost and low universality existed in current acquisition systems of mine microseismic signal, an acquisition system of multi-channel microseismic signal was designed.
CAI Jianxian   +4 more
doaj   +1 more source

Full-waveform Based Complete Moment Tensor Inversion and Stress Estimation from Downhole Microseismic Data for Hydrofracture Monitoring [PDF]

open access: yes, 2011
Downhole microseismics has gained increasing popularity in recent years as a way to characterize hydraulic fracturing and to estimate in-situ stress state.
Song, Fuxian, Toksoz, M. Nafi
core  

Differences between downhole and surface micro-seismic monitoring

open access: yesMining Science, 2015
The article presents usage of microseismic monitoring for location of microseismic events in polish geological conditions. For location of one synthetic microseismic event, two methods of acquisition were applied: surface and downhole monitoring array ...
Eryk Święch, Paweł Wandycz
doaj   +1 more source

Analysis Of Microseismic Location Accuracy For Hydraulic Fracturing At The DWTI Site, Jasper, Texas [PDF]

open access: yes, 1995
This report presents the results of a feasibility study designed to assess whether microseismic location techniques can provide enough accuracy and precision to enable a high resolution study of the spatial distribution of microseismic events induced ...
Rieven, Shirley, Rodi, William
core  

Microseismic study of the interandine valley between Latacunga and Cuayllabamba [PDF]

open access: yes
The present state of two active volcanoes and the principal active seismic faults in a 100 km area from Quito to Toacaso, Ecuador was studied.
Hall, M., Ramon, M.
core   +1 more source

MA_W-Net-Based Dual-Output Method for Microseismic Localization in Strong Noise Environments

open access: yesApplied Sciences
With the continuous depletion of conventional oil and gas reservoir resources, the beginning of exploration and development of unconventional oil and gas reservoir resources has led to the rapid development of microseismic monitoring technology ...
Qiang Li, Fengjiao Zhang, Liguo Han
doaj   +1 more source

A Method for Predicting the Timing of Mine Earthquakes Based on Deformation Localization States

open access: yesMathematics
As a prevalent geological hazard in underground engineering, the accurate prediction of mine earthquakes is crucial for ensuring operational safety and enhancing mining efficiency.
Chenli Zhu   +3 more
doaj   +1 more source

Stability Evaluation on Surrounding Rocks of Underground Powerhouse Based on Microseismic Monitoring

open access: yesShock and Vibration, 2015
To study the stability of underground powerhouse at Houziyan hydropower station during excavation, a microseismic monitoring system is adopted. Based on the space-time distribution characteristics of microseismic events during excavation of the main ...
Feng Dai   +4 more
doaj   +1 more source

Study of seismic activity in the Haiyuan-Liupanshan region using automated microseismic detection techniques

open access: yesGeomatics, Natural Hazards & Risk
Using continuous waveform data from 27 fixed seismic stations in Ningxia spanning nearly a decade from 2013 to September 2022, the automatic detection matching method (PALM) was employed to capture 34,373 seismic events across the region, which is twelve
MengYa Li   +4 more
doaj   +1 more source

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