High-fidelity full-waveform imaging via impedance inversion

Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... from the acoustic wave equation with velocity density : 1 − ∇ ⋅∇ ( ; ; )= ( − ) ( ) , and (1) ( ; ; )= ( ; ; ) where ( ) denotes source...

Seismic Rock-Property Transforms for Estimating Lithology and Pore-Fluid Content, by Haitao Ren, Fred J. Hilterman, Zhengyun Zhou, and Mritunjay Kumar, #40224 (2006).

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A method for inverting the brittleness index in transversely isotropic formations based on the exact reflection coefficient equation

QiYu Yang, Jingye Li, Jinming Cui, Yongping Wang, Yuning Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... A transversely isotropic brittleness index inversion method based on exact reflection coefficient equation equation for P-wave incidence can be expressed...

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... and seismic modeling, acoustic impedance logs, stacking velocities from common depth points, applications of wave equation, three-dimensional surveying...

The Origin and Significance of Some Downcurrent-Dipping Cross-Stratified Sets

Nigel L. Banks

Journal of Sedimentary Research (SEPM)

... is controlled by the dip of the downstream side of the wave, and the velocity of the ripples, Ur, relative to the velocity of the waves, Uw (Allen, 1968, p...

Physics-based preconditioned multidimensional deconvolution in the time domain

David Vargas, Ivan Vasconcelos, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

...-contaminated data. INTRODUCTION To formally describe wavefield propagation between two observation points in terms of data measured at such locations...

Elastic Wave Propagation in Fractured Media Using the Discontinuous Galerkin Method; #41955 (2016)

Jonás D. De Basabe, Mrinal K. Sen

Search and Discovery.com

...., K.T. Nihei, and L.R. Myer, 1996, Numerical Simulation of Elastic Wave Propagation in Fractured Rock with the Boundary Integral Equation Method: Journal...

Supercomputers for Beginners: PART III: GPU-Accelerated Computing

Lasse Amundsen, Martin Landrø, Børge Arntsen

GEO ExPro Magazine

..., and secondly an increase in the volume of acquired seismic data to be imaged. Elastic migration, based on the elastic, anisotropic wave equation...

Automated velocity model building using Fourier neural operators

Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Shragge (2021) and Li et al. (2022) used them to solve the acoustic wave equation. One of main advantages of such operators...

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

...A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods Kriyanti...

Hydrocarbon Expression on Low-Impedance AVO: A Phenomenon of Amplitude Reversal

W. Waluyo

Indonesian Petroleum Association

.... In the case of normal incidence, there is no converted S-wave; therefore, the valid expression is shown in equation (1): Where: Z2: acoustic...

Foundation Settlement Determination: A Simplified Approach; #70256 (2017)

O. O. Adewoyin, M. Omeje, E. S. Joel, O. T. Kayode

Search and Discovery.com

...). The shear modulus on the other hand relates with shear wave velocity as expressed in equation (2). That is,  Vs 2 g (2) Where g...

Abstract: Investigations of Seismic Signatures of CO2 Saturation as Part of a Geological Storage Project; #90187 (2014)

Gautier Njiekak, Douglas R. Schmitt, and Randolf S. Kofman

Search and Discovery.com

.... First, both the P- and S-wave speeds decrease substantially as the CO2 transforms from gas to either liquid or supercritical phase. This observation...

SYNTHETIC SEISMOGRAMS

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Evaluation of the Texaco Dielectric Log in Central Sumatra

P. T. Cox

Indonesian Petroleum Association

... the Helmholtz wave equation using cylindrical coordinates. The program generates values of phase and amplitude of the propagating wave at each receiver...

Estimations of Porosity and Permeability Model on Carbonate Reservoir Using Cross-Plot Analysis and Acoustic Impedance Inversion in "Gandhi" Field, Gumai Carbonate Formation, Sunda Basin

Sandy Indra Purwagandhi, Indah Islamiaty, Sismanto, Arif Yondo

Indonesian Petroleum Association

... is based on linear equation which is obtained from the cross-plot relationship of both values. Whereas the relationship between permeability model...

Multicomponent Seismic Studies of the Gas-hydrate System at the Storegga Slide

Stefan Bunz, Jurgen Mienert, Karin Andreassen

AAPG Special Volumes

..., bandpass filtering of 3110 Hz, prestack wave-equation datuming, true amplitude recovery, frequency-renumber (F-K) filtering, predictive deconvolution...

A Preliminary Study on the Dielectric Properties of a Malaysian "Rock" Saturated with Water and Crude Oil

S. Ibrahim, A. H. Shaari, K. Khalid

Geological Society of Malaysia (GSM)

... incontact with the short circuit. The incident wave travelling in the positive Z direction and the reflected wave combined to form standing waves...

Selective Longshore Transport Rates of Different Grain-size Fractions within a Beach

Paul D. Komar

Journal of Sedimentary Research (SEPM)

... flux of the waves, (ECn)b, evaluated at the breaker zone, and the angle of wave breaking, b, through the equation It = 0.77Pl = 0.77(ECn)bsin bcos b. (3...

An analytical model for squirt flow and viscous shear relaxation in porous rocks

Yury Alkhimenkov

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave dispersion and attenuation due to squirt flow and viscous shear relaxation mechanisms. The results from the analytical model are compared to a 3-D...

Abstract: Q Effects on Thin-bed AVO/AVF Analysis; #90224 (2015)

Wenyong Pan and Kris Innanen

Search and Discovery.com

... on the Zoeppritz equations and their solutions and they describe the transmission and reflection when plane wave impinging upon one single interface which...

Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)

Philip Wild

Search and Discovery.com

... these slowness values are inverted by solving the P-wave anisotropy velocity equation (Thomsen 1986) to yield terms for the anisotropy (Figure 4...

Interpreting Paleoenergy Levels from Sediment Deposited on Ancient Wave-Dominated Shelves

H. Edward Clifton

CSPG Special Publications

...Interpreting Paleoenergy Levels from Sediment Deposited on Ancient Wave-Dominated Shelves H. Edward Clifton 1986 181 190 The interpretation...

Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data

A. A. Tabakov, V.N.Ferentsi, H. Gravini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... media. The main idea of method suggested in this report is in reverse extrapolation of time-field of primary downing wave in the media based on first...

Iterative Modeling and Imaging of Seismic Data in Depth to Help Delineate Petroleum Reservoirs in the Utah Overthrust Belt

Alvin K. Benson

Utah Geological Association

... by the acoustic wave equation. The spatial and time dependence of the amplitudes P of a wave field obeying this equation can be represented...