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Brittleness evaluation method for shale gas reservoir based on acoustic P-wave and S-wave testing of rock samples and its logging application
As a clean energy development technology of shale gas is relatively mature worldwide, and its research methods are also remarkably extensive....
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Hard enforcement of physics-informed neural network solutions of acoustic wave propagation
Simulating the temporal evolution of wavefield solutions through models with heterogeneous material properties is of practical interest for many...
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Research on the differential coefficient least-squares optimization method of reverse time migration in acoustic-reflected S-wave imaging logging
The numerical dispersion phenomenon in the finite-difference forward modeling simulations of the wave equation significantly affects the imaging...
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Detection of Signal of Fire Source for Coal Spontaneous Combustion Applied with Acoustic Wave
Coal spontaneous combustion can cause a series of problems in terms of wasted resources, casualties, and environmental pollution. Accurate detection...
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Experimental study of relationship among acoustic wave, resistivity and fluid saturation in coalbed methane reservoir
Experimental study of logging petrophysical parameters is very important for the establishment of logging evaluation model of coalbed methane...
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Three-dimensional acoustic emission source localization method for layered rock considering anisotropic P-wave velocity
Using acoustic emission (AE) technique to locate the microcracking of rock samples in the process of rock mechanics test is one of the most effective...
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Detection of internal crack growth in polyethylene pipe using guided wave ultrasonic testing
Despite the success of guided wave ultrasonic inspection for internal defect detection in steel pipes, its application on polyethylene (PE) pipe...
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Shear wave velocity inversion of marine sediments using deep-water OBS Scholte-wave data
Acoustic velocity varies in deep-water environments, and the variable-velocity seawater can affect the dispersion characteristics of Scholte wave. To...
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Study on in situ stress testing method based on Kaiser effect of acoustic emission and COMSOL simulation
In situ stress testing can improve the safety and efficiency of coal mining. Identifying the Kaiser effect point is vital for in situ stress...
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Influence of textural characteristics and mineral composition on the acoustic behavior under acoustic integrated uniaxial compression
This paper presents acoustic integrated uniaxial compression tests on 11 types of rock specimens to investigate their acoustic behavior and...
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Acoustic response characteristics and sensitivity of briquette and raw coal under temperature and pressure control
Acoustic testing is a widely used technique to measure the coal mechanical properties under high temperature and pressure in situ conditions. This...
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A Pre-peak Elastoplastic Damage Model of Gosford Sandstone Based on Acoustic Emission and Ultrasonic Wave Measurement
The determination of internal material damage is always an arduous challenge. Non-destructive monitoring methods show great potential in...
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Evolution and Correlation of Acoustic Emission and Resistance Parameters During Coal Fracture Propagation
Combining multiple monitoring methods can improve the accuracy of coal damage and fracture behavior detection. In this study, nine coal samples, each...
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Damage evolution and acoustic emission characteristics of hydrochemically corroded limestone
To explore the deterioration characteristics and damage principle of mechanical properties of limestone under the coupling action of aqueous chemical...
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Testing of Mode-I Fracture Toughness of Sandstone Based on the Fracturing Mechanism of an Explosion Stress Wave
The dynamic fracture toughness of rock materials under blast load is the basis for studying the stability of rock blasting engineering. To study the...
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Hybrid Virtual Interferometry Technique Based on Stacking of Neighboring Virtual Traces to Enhance Acoustic Logging Data
The accurate extraction of useful signals from the measurement data is one of the important parts and challenges of the understanding of subsurface...
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Acoustic Characteristics of Rock Samples under Negative Temperatures
AbstractThe authors investigate geophysical parameters of water-saturated and frozen rock samples, and compare the results with the data of natural...
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P-wave and S-wave response of coal rock containing gas-water with different saturation: an experimental perspective
The acoustic response of gas and/or water saturated coal rock is fundamental for establishing the correspondence between the physical properties of...
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Acoustic impedance prediction based on extended seismic attributes using multilayer perceptron, random forest, and extra tree regressor algorithms
Acoustic impedance is the product of the density of a material and the speed at which an acoustic wave travels through it. Understanding this...
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Active waveguide deformation dynamics using acoustic emission technology for landslide early warning system
Multiple active waveguide systems are examined on a universal testing machine (UTM) for their acoustic emission (AE) behavior and correlated with its...
