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The AAPG/Datapages Combined Publications Database

Showing 19,681 Results. Searched 195,354 documents.

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Effect of Artificial Sea-Grass on Wave Energy and Near-Shore Sand Transport

Christopher J. Wayne

GCAGS Transactions

... the average wave energy per unit area of wave (E). Energy density can be found by measuring wave heights and substituting into the following equation: E...

1974

Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)

Arnim B. Haase, Charles P. Ursenbach

Search and Discovery.com

..., in the anelastic situation velocities are complex and must be recomputed for every frequency point, according to Equation 4. The P-wave quality...

2015

Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging

Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... the power of low-level CUDA and C++ for computation, and provides a user-friendly Python interface for wave-equation modeling and inversion...

2023

Full Waveform Acoustic Logging: Part 7. Geophysical Methods

C. H. Cheng

AAPG Special Volumes

... versus offset studies, and elastic wave equation migrations, among many other uses. The FWAL is also commonly used to identify and characterize fractures...

1992

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... the discussion that was started in GEO ExPro Vol. 15, No. 2. The finite difference method applied to the acoustic wave equation gives beautiful wave...

2019

Abstract: Regular Grids Travel Time Calculation … Fast Marching with an Adaptive Stencils Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... (a) a plane wavefront and (b) circular wave from a point source propagating through a grid model. Numerically solving this equation produces first arrival...

2014

Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)

Tianfei Zhu

Search and Discovery.com

... variations are large. We show that the new method is a true-amplitude extension of the phase-shift wave-equation migration method into media...

2014

Wave equation traveltime Kirchhoff with real data applications

Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

...Wave equation traveltime Kirchhoff with real data applications Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav...

2023

Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017)

Tatiana Espinosa, Carlos Piedrahita Escobar

Search and Discovery.com

...Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017) Tatiana Espinosa, Carlos Piedrahita...

2017

ABSTRACT: Elastic Wave Velocity Model Analyses for Gas-Hydrate Bearing Sediments; #90061 (2006)

Dong Wang and Xiuming Wang

Search and Discovery.com

...ABSTRACT: Elastic Wave Velocity Model Analyses for Gas-Hydrate Bearing Sediments; #90061 (2006) Dong Wang and Xiuming Wang Elastic Wave Velocity...

2006

-- no title --

user

Search and Discovery.com

... recently, full two-way solutions of the wave equation, such as Reverse Time Migration (RTM) have become commercially available:- these are suited...

Unknown

-- no title --

user

Search and Discovery.com

... recently, full two-way solutions of the wave equation, such as Reverse Time Migration (RTM) have become commercially available:- these are suited...

Unknown

Extended Abstract: What is Wave Equation Pre-stack Depth Migration? An Overview

Andrew Long

Petroleum Exploration Society of Australia (PESA)

...Extended Abstract: What is Wave Equation Pre-stack Depth Migration? An Overview Andrew Long I TECHNICAL Focus What is Wave Equation Pre-stack...

2004

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

..., AB, Canada Wave equation migration (WEM) has been widely used in prestack depth migration recently. Its advantage of being able to handle multipath...

Unknown

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

..., AB, Canada Wave equation migration (WEM) has been widely used in prestack depth migration recently. Its advantage of being able to handle multipath...

Unknown

Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).

Dries Gisolf, P.R. Haffinger, P. Doulgeris

Search and Discovery.com

...Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016). Dries Gisolf, P.R. Haffinger, P. Doulgeris Wave...

2016

A Note on the Preservation of Offshore Tsunami Deposits

Robert Weiss, Heinrich Bahlburg

Journal of Sedimentary Research (SEPM)

.... They are forced to travel along pathways that correspond to orbits. These wave orbits are as follows: Equation 1 assumes (i) that the fluid is incompressible...

2006

ABSTRACT: Fizz and Commercial Gas Discrimination in the Colombian Caribbean Sea through AVO Attributes and Fluids Substitution Modeling; #90108 (2010)

Lorena Giraldo and Andrés E. Calle

Search and Discovery.com

... of available well logs and the sensitive analysis of the equation proposed by BORTFELD (1961) as a lineal approximation of ZOEPPRITZ to study...

2010

Converted-Wave Prestack Time Imaging without using P-Wave

Search and Discovery.com

...Converted-Wave Prestack Time Imaging without using P-Wave Converted-Wave Prestack Time Imaging without using P-Wave Xiaogui Miao* CGGVeritas...

2013

Broadband Least-Squares Wave-Equation Migration

Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui

Petroleum Exploration Society of Australia (PESA)

...Broadband Least-Squares Wave-Equation Migration Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui Broadband Least-Squares Wave-Equation...

2018

AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)

Charles Ursenbach, Arnim Haase

Search and Discovery.com

... reflection coefficients, the Rayleigh wavelet approach of equation 1 also provides useful insight into the relationship between plane-wave and spherical-wave...

2015

Formation of Ripple Bands in a Wave-Convergence Zone: DISCUSSION

T. G. Carter

Journal of Sedimentary Research (SEPM)

...) based on their equation (5), noting from p. 199 that typical swell wave periods were between 10.5 and 12 sec, while local waves of 2.5 sec period...

1989

Elastic wave reverse-time migration with dynamic focused beams for weak anisotropic media

Ning Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

... to deal with multiple arrivals and steep dips. The elastic wave reverse time migration is based on full-wave equation and uses the corresponding imaging...

2023

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