Results 81 to 90 of about 600,749 (229)

Seismic constraints on the three-dimensional geometry of low-angle intracrustal reflectors in the Southern Iberia Abyssal Plain

open access: yes, 2008
Several lines of evidence suggest that simple shear rifting of the continental crust, in the formof low-angle detachment faulting, occurred during the final stages of continental breakupbetween West Iberia and the Grand Banks.
Dean, S.M.   +2 more
core   +1 more source

COMPARISON OF DIFFERENT SEISMIC FILTERING TECHNIQUES ON PRESTACK INVERSION FOR PENOBSCOT AREA-NOVA SCOTIA [PDF]

open access: yes, 2016
The goal of this study is to compare three different type of seismic filtering according to their inversion results and their quality of data improvements.
Uygun, Omer Emre
core   +1 more source

Seismic Imaging of Halokinetic Sequences and Structures With High‐Resolution, Dual‐Element Acquisition, and Processing: Applications to the Gassum Structure in Eastern Jutland, Denmark

open access: yesEarth and Space Science, Volume 12, Issue 1, January 2025.
Abstract Understanding the structural intricacies of subsurface halokinetic formations is crucial for various geological applications, including geological capture and storage (geological carbon storage (GCS)). This study focuses on the seismic imaging of the Gassum structure in eastern Jutland, Denmark, employing high‐resolution, dual‐element ...
M. Westgate   +7 more
wiley   +1 more source

ESTIMATING BRITTLENESS USING SEISMIC DATA IN AN UNCONVENTIONAL SHALE RESERVOIR, FORT WORTH BASIN, NORTH CENTRAL TEXAS [PDF]

open access: yes, 2017
Brittleness within unconventional shale plays is a major component in reservoir stimulation. Mineralogy measured in nearby wells estimates brittleness and can be correlated to elastic parameters measured in well logs and surface seismic data ...
Gunther, Megan
core  

Prestack structurally constrained impedance inversion

open access: yes, 2018
Classical prestack impedance inversion methods are based on performing a common-depth point (CDP) by CDP inversion using Tikhonov-type regularization. We refer to it as lateral unconstrained inversion (1D-LUI).
Larry Lines   +2 more
core   +1 more source

Estimation of gas hydrate concentration from multi-component seismic data at sites on the continental margins of NW Svalbard and the Storegga region of Norway [PDF]

open access: yes, 2008
High-resolution seismic experiments, employing arrays of closely spaced, four-component ocean-bottom seismic recorders, were conducted at a site off western Svalbard and a site on the northern margin of the Storegga slide, off Norway to investigate how ...
Mienert, J.   +48 more
core   +1 more source

Uncertainty aware pre-stack seismic inversion using probabilistic neural networks

open access: yesFranklin Open
Seismic inversion, the process of inferring subsurface properties from seismic signals, is a crucial tool to monitor underground structures in applications such as geotechnical engineering, environmental studies, civil engineering, and archaeology.
Marco Morik   +4 more
doaj   +1 more source

Nonlinear FAVO Dispersion Quantification Based on the Analytical Solution of the Viscoelastic Wave Equation

open access: yesGeofluids, 2020
Wave-induced fluid flow is the main cause of seismic attenuation and dispersion. So the estimated velocity dispersion information can be used to identify reservoir fluid and effectively reduce the risk of reservoir drilling.
Yuanqiang Li   +5 more
doaj   +1 more source

Porosity Prediction in Tight Reservoirs via Elastic Decoupling Factor-Constrained Prestack Density Inversion: A Case Study from the Bohai Bay Basin

open access: yesGeosciences
The Paleogene deep tight glutenite reservoirs in the Bohai Sea area feature strong heterogeneity and complex pore structures, posing significant challenges to the seismic prediction of sweet-spot reservoirs.
Cai Li   +4 more
doaj   +1 more source

Development and application of the phase-screen seismic modelling code [PDF]

open access: yes, 2009
As a consequence of the aims of this project, this thesis is divided into two distinct sections. Initially, the computationally efficient phase-screen forward modelling technique is extended to allow investigation of non-normal ray paths.
White, James C.
core  

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