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Multicomponent Ocean-Bottom Seismic Data Decomposition Using Separate Calibration Filters
Properly decomposed P- and S-waves are indispensable for the imaging and inversion of multicomponent ocean bottom seismic (OBS) data. Hence,...
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Surface Wave Dispersion Measurement with Polarization Analysis Using Multicomponent Seismic Noise Recorded by a 1-D Linear Array
Linear arrays are popularly used for passive surface wave imaging due to their high efficiency and convenience, especially in urban applications. The...
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A new elastic least-squares reverse-time migration method based on the new gradient equations
Compared with single-component seismic data, multicomponent seismic data contain more P- and S-wave information. Making full use of multicomponent...
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Elastic-energy imaging condition based on energy-flow vector
Elastic reverse-time migration can effectively deal with multicomponent seismic data in which the imaging condition based on energy norm can extract...
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Imaging of Orebodies with Vertical Seismic Profiling Data
Geophysical exploration for volcanogenic massive sulphide (VMS) deposits, a major source for lead, copper, zinc and other metals, is conventionally...
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A Framework for Predicting the Gas-Bearing Distribution of Unconventional Reservoirs by Deep Learning
Multicomponent seismic data can be used to predict unconventional reservoirs; however, this is a challenging task. Although machine learning (ML),...
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Using Remote Sensing Methods of Underwater Studies to Identify Elements and Simulate the Structure of Bottom Landscapes in the Haukaisenlahti Bay (Kuhka Island, Lake Ladoga)
AbstractThe article presents the results of studies of bottom landscapes carried out with the use of an echo sounder with a side-scan location...
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Using Four-Component Geophones: Effect on the Quality and Reliability of Multicomponent Seismic Recording and Analysis of Processing Methods
For seismic observations in mines or wells, instead of three-component geophones, four-component ones with sensors located along the tetrahedral axes...
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The Effect of the Physicochemical Properties and the Composition of Dubna River Water on the State of the Processes of Lipid Peroxidation in Biological Systems
AbstractThe dynamics of water physicochemical properties and hydrochemical characteristics in the Dubna River was studied from April 18, 2021 to July...
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Enhancing Oil Extraction in Sandstone Reservoir with High Water Cut: Exploring the Impact of Low Salinity Sodium Chloride and Molecular Dynamics Consequences
This study aims to assess the effectiveness of using low-salinity water flooding to improve the recovery of oil from a sandstone reservoir in an...
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Parametric elastic full waveform inversion with convolutional neural network
Elastic full waveform inversion (EFWI) is a powerful tool for estimating elastic models by reducing the misfit between multi-component seismic...
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A look at the blind Kumamoto experiment: combining active and passive seismic observations to avoid Rayleigh-wave mode misidentification
We present our pathway through participation in the blind Kumamoto exercise, particularly the Step 1 of site characterization. The combination of...
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Recent Advances in Well Logging Techniques for Exploration of Shale Reservoirs
Well logs play a vital role in the exploration and exploitation of the hydrocarbon. In case of unconventional shale reservoir, exploitation of...
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Analytical and Laboratory Modeling of the Movement of Markers in a Vortex Flow
The changing the direction of floating objects rotation on the vortex surface is discovered and explained. The differences in the behavior of...
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Solving an Inverse Dynamic Seismic Problem by Multicomponent Elastic Full Waveform Inversion
A numerical method for solving an inverse problem of the theory of seismic wave propagation, relying on the modified least square method, is...
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Random noise attenuation in seismic data using an adaptive thresholding and the second-order variant time-reassigned synchrosqueezing transform
Seismic data analysis often faces the challenge of random noise contamination from various sources. To overcome this, innovative noise attenuation...
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Acoustic–Elastic Coupled Equations for Joint Elastic Imaging of TS and Sparse OBN/OBS Data
Elastic wave imaging with ocean-bottom four-component (4C) seismic data offers unique advantages in offshore oil and gas exploration, but for sparse...
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Broadband Marine Seismic Acquisition Technologies: Challenges and Opportunities
AbstractThe paper addresses marine broadband seismic data acquisition technologies, including conventional seismic oil exploration (frequencies no...
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Near-surface Site Characterization Based on Joint Iterative Analysis of First-arrival and Surface-wave Data
Near-surface site characterization is of great significance in the fields of geotechnical engineering and resource exploration. In this paper, we...
