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The AAPG/Datapages Combined Publications Database

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Meramec Velocity Systematics

Jing Fu, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... corrected based on the Thomsen’s compressional wave anisotropy parameter and the systematics were generated. Using the first equation, Vs= 1.54 + 0.31*Vp...

2020

Extended Abstract: Full Waveform Inversion for Detailed Velocity Analysis

Jerry Kapoor, Denes Vigh

GCAGS Transactions

...) is an advanced velocity model building process that uses the full two-way wave equation. Existing methods use a ray-tracing approach to distribute velocity...

2016

Operator chains and seismic data decomposition

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... decomposition replaces a chain of one-dimensional filters in equation (19) with a chain of two-dimensional plane-wave destruction (PWD) filters (Fomel, 2002) P1 (σ1...

2022

Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area

M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust

International Meeting for Applied Geoscience and Energy (IMAGE)

...WI. The arrows indicate the guided wave. In shallow water the guided waves can dominate the OBN data (Klein et al. 2005). The reconstruction filt...

2023

A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator

Chongpeng Huang, Yingming Qu, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... been widely used in practical production. However, due to the use of the twoway wave equation and the time-coherent imaging criterion, RTM image...

2022

Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)

Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit

Search and Discovery.com

... (2004) pointed out that a complex wave number mathematically results in an exponential decay factor in the wave equation that make waves decay in the same...

2013

Abstract: Spectral-element Simulations of Elastic Wave Propagation in Exploration and Geotechnical Applications; #90187 (2014)

Lin Zheng, Qi Zhao, Qinya Liu, Bernd Milkereit, and Giovanni Grasselli

Search and Discovery.com

...Abstract: Spectral-element Simulations of Elastic Wave Propagation in Exploration and Geotechnical Applications; #90187 (2014) Lin Zheng, Qi Zhao...

2014

2D isotropic and vertical transversely isotropic RTM using SEG Hess VTI Model

Richa Rastogi, Abhishek Srivastava, Monika Gawade, Nithu Mangalath, Laxmaiah Bathula, Bhushan Mahajan, Suhas Phadke

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave equation for wavefield extrapolation and avoids the approximation of wave equation. RTM algorithm is computationally very expensive. Higher...

2022

Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach

Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz...

2008

Depth Imaging Seismic Data to Help Delineate Gas Reservoirs in Southwest Wyoming

Alvin K. Benson

Wyoming Geological Association

... that the propagation of energy through the earth is governed by the acoustic wave equation. The spatial and time dependence of the amplitudes P of a wave...

1989

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... it is done. All of the many methods of doing migration are founded on solutions to the scalar wave equation, a partial differential equation that models how...

1992

Target-oriented wavefield calculation using Recursive Patched Green Functions

Edwin Fagua Duarte, Janaina Schwarzrock, Danyelle da Silva, Joao Medeiros de Araujo, Mauro Ferreira

International Meeting for Applied Geoscience and Energy (IMAGE)

... by using the Dyson equation (Lewenkopf and Mucciolo, 2013; Moura et al., 2020). In wave propagation, the PGF method, Green’s functions related...

2023

Multi-scale anisotropic dispersion and attenuation in VTI media with penny-shaped cracks

Yanwen Feng, Zhaoyun Zong, Guangzhi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... with penny-shaped cracks. Based on the proposed approach, we derive the wave equation of the model including three WIFF mechanisms (the global fluid flow...

2023

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In addition, considering the computational costs and the necessity for approximation, choosing an optimal wave equation for the selected anisotropic model...

2024

Abstract: Time-Lapse FullWaveform Inversion Application To Seismic Monitoring Of CO2 Sequestration; #90224 (2015)

Wubshet Alemie

Search and Discovery.com

... frequency domain acoustic wave equation with PML boundary conditions and discretized with second order in space finite difference. The resulting linear...

2015

Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)

Sam T. Kaplan

Search and Discovery.com

..., Canada [email protected] Summary Least-squares wave-equation pre-stack depth migration is a computationally expensive algorithm, requiring repeated...

2013

Marine Seismic Sources: Part XII: Sound in the Sea

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... to formulate the wave equation, a mathematical means of describing sound waves that is the basis for all work on acoustics. His work set the stage...

2012

Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)

Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana

Search and Discovery.com

... Abstract Old seismic modeling assume that the seismic wave propagate in the earth have the same value for every directions. In the reality, earth layers...

2014

The Significance of Hummocky Cross-Stratification (HCS) Wavelengths: Evidence from an Open-Coast Tidal Flat, South Korea

Byongcheon Yang, Robert W. Dalrymple, Seungsoo Chun

Journal of Sedimentary Research (SEPM)

..., as derived from the relevant curve in Figure 6 using Equation 4. Wave-Size Distribution on the Tidal Flats The landward decrease in storm-bed thickness...

2006

From Arrhenius to CO2 Storage: Part XII: Model for Radiative Transfer of Fluxes in the Temperature-Stratified Atmosphere

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... a spherical cow in a vacuum …” A popular joke about modeling. NASA/ JSC the equation of radiative transfer which describes mathematically how...

2021

Classification of Australian Clastic Coastal Depositional Environments Based Upon a Quantitative Analysis of Wave, Tidal, and River Power

P.T. Harris, A.D. Heap, S.M. Bryce, R. Porter-Smith, D.A. Ryan, D.T. Heggie

Journal of Sedimentary Research (SEPM)

...). River flow is proportional (but not equivalent) to river power (Equation 3). Although we have calculated mean annual values for wave and tide power...

2002

Abstract: Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... applying a horizon by horizon migration based on a ray tracing method. The resulting velocity distribution is then used in the wave equation...

1985

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