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The AAPG/Datapages Combined Publications Database

Showing 791 Results. Searched 198,559 documents.

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ABSTRACT: Removal of Surface and Internal Multiples from Land Data: Experience from North Africa Data; #90051 (2006)

Riaz Alá'i, Eric Verschuur

Search and Discovery.com

... as the multiple prediction operator, and removal of noise are key elements for a successful wave equation based multiple suppression. In this paper...

Unknown

ABSTRACT Adventures in Pre-Stack Depth Migration, #90104 (2010)

Allen James

Search and Discovery.com

..., Kirchhoff or Wave‐Equation, can be a factor. Li et al. (2003) provide guidelines for choosing.    4.) While modern PSDM can often resolve large...

2010

Abstract: Beam Migration of Canadian Foothills Datasets; #90171 (2013)

Tianfei Zhu, Terrence Krishnasamy, and Daniel Trad

Search and Discovery.com

..., making it relatively inaccurate in geologically complex areas (Hill, 2001). Wave-equation migration, on the other hand, can image multipathing arrivals...

2013

Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)

John C. Bancroft

Search and Discovery.com

... to eliminate spherical divergence. The wavefield was propagated using a two-way finite difference solution to the acoustic wave equation 2P 1 2P...

2015

Abstract: A New Analytical Model for Stencil-Based Seismic Algorithms Implementations on GPU; #90255 (2017)

Dorfell Parra, William Salamanca, Ana Ramirez

Search and Discovery.com

... strategies, the numerical method known as the Finite-Differences Time-Domain (FDTD) representation of the wave equation has been used to model the wave...

2017

Abstract: Strategies to Include Geological Knowledge in Full Waveform Inversion; #90255 (2017)

Siddharth Sharma, Dries Gisolf, Stefan Luthi, Runhai Feng

Search and Discovery.com

... process where linear inversions are alternated with updates of the total wavefield, ultimately leading to a full solution of the elastic wave equation...

2017

Abstract: Advanced Seismic Acquisition Survey Design Based on Illumination Analysis; #90319 (2018)

Pavel Golikov, Emad Hemyari, Abdulaziz Almuhaidib

Search and Discovery.com

... adding target illumination analysis as an integral step in the survey design workflow. This illumination study can be achieved using wave-equation based...

2018

Abstract: Toward GPU Acceleration of the Reverse Time Migration Using Temporal Blocking; #91204 (2023)

Long Qu, Hatem Ltaief, Hussain Salim, Thierry Tonellot, David Keyes

Search and Discovery.com

... the three-dimensional acoustic wave equation to provide high-resolution images. RTM’s computational phases are predominantly composed of stencil...

2023

Abstract: Diffraction Imaging Using Multiplication Imaging Condition; #91204 (2023)

Dongliang Zhang, Constantine Tsingas

Search and Discovery.com

...- and positive-dip structure images. The wavefield calculation can be based on one-way or two-way wave-equation. For the migrated stack image, F-K...

2023

A Review of Pre

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N/A

Least-squares reverse time migration for attenuating TTI media

Xinru Mu, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... involves incorporating a regularization term into the wave equation (Fathalian et al., 2020). In addition, Wang et al. (2018) and Chen et al. (2020...

2024

Imaging of Fractures and Faults inside Granite Basement Using Controlled Beam Migration (Geophysics Paper 5)

Don Pham, Jason Sun, James Sun, Qingbing Tang, Graeme Bone, Nguyen Truong Giang

Geological Society of Malaysia (GSM)

... migration algorithm, representing a high-frequency approximation to the acoustic wave equation. When multi-arrivals occur, it has to select one...

2008

Abstracts: Nodal Galerkin Methods for Numerical Modelling of Linear Elasticity with Absorbing Boundary Conditions; #90173 (2015)

Matt McDonald, Michael Lamoureux, and Gary Margrave

Search and Discovery.com

... in the spatial domain and converges exponentially. It is appropriate for any formulation of the elastic wave equation in any number of spatial dimensions...

2015

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... iterations of tomographic velocity updating. Results from the Beam migration are proving to be superior to Kirchhoff and wave equation results...

2009

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...

2016

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

...-free shear wave propagation. In this paper we propose a new acoustic wave equation, derived using linearized plane-wave reflection coefficient theory...

2023

Optimal transport for elastic source inversion

Tyler Masthay, Björn Engquist

International Meeting for Applied Geoscience and Energy (IMAGE)

... the acoustic wave equation, which is less accurate than the elastic wave equation. In this paper, we extend these results to elastic source inversion in two...

2023

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