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The AAPG/Datapages Combined Publications Database

Showing 791 Results. Searched 198,559 documents.

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Bridging the gap: Deep learning on seismic field data with synthetic training for building Gulf of Mexico velocity models

Stuart Farris, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... body. The CNNs were trained on three datasets: field data, data generated with the acoustic constant-density isotropic wave equation, and data...

2023

Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East

G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... procedure, joint domain full waveform inversion (JDFWI) for velocity model update, and one way wave equation multiple migration (OWEMM) method were...

2024

Localized wavefield inversion (LWI): An adaptation of multi-block ADMM for localized FWI

Hossein S. Aghamiry, Ali Gholami, Stephane Operto, Alison Malcolm

International Meeting for Applied Geoscience and Energy (IMAGE)

... where the redatumed data on the part of the medium or localized solvers for the wave equation are used. On the other hand, the classical formulation...

2022

Accelerating innovation with software abstractions for scalable computational geophysics

Mathias Louboutin, Philipp Witte, Ali Siahkoohi, Gabrio Rizzuti, Ziyi Yin, Rafael Orozco, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

..., inverse problems based on the wave-equation (e.g., medical ultrasound). We developed a software environment aimed at scalable research and development...

2022

Finding the reservoir in an intensely scattered wavefield: A case study from the Central Sichuan Basin, China

John Coffin, Mengmeng Zhang, Panos Doulgeris, Peter Haffinger, Angie Kelsay, Jinsong Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... was to embrace this multiple scattered and mode-converted energy by using a wave equation based inversion scheme (WEB-AVO). This allowed us to reliably...

2022

Finite Difference Modelling: Part III: Time-Step n-Tupling

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... by the sum of second partial derivatives of the wavefield with respect to each of the space variables. The FD solution of the wave equation (1), Peter Lax...

2018

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

3D anisotropic seismic simulation for fracture prediction in Sichuans Wufeng shale gas reservoirs

Xiang Li, Ziduo Hu, Chunhui Xie, Yancan Tian, Wei Liu, Xinyu Fang, Gang Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

... to simplify the quasi-P (qP) wave equation from the elastic wave equation in Horizontal Transverse Isotropy (HTI) media, thereby enabling more accurate...

2024

Finite-frequency transmission traveltime tomography in VTI media

Fei Luo, Lanlan Yan, Jiexiong Cai

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave equation often assumes that the shear wave velocity is 0. When this happens, the wave field propagation will be unstable. Based on this, this paper...

2024

Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... for the wave equation migration of seismic data leading to more reliable depth sections. The effectiveness of the method is illustrated by a sequence...

1987

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

Tomographic waveform inversion (TWI) applied to real seismic data

Jlio Oliva Frigrio, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1190/segam2018-2998613.1. Biondi, B., and A. Almomin, 2012, Tomographic full waveform inversion (TFWI) by combining full waveform inversion with wave-equation...

2022

Viscoelastic anisotropic seismic wave modeling using recursive convolution method and curvilinear collocated finite difference method for different boundaries

Chao Jin, Bing Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

..., UAE Summary We proposed a generalized viscoelastic anisotropic wave equation based on the General Maxwell Body, which can accommodate various medium...

2023

Abstract: Deghost + Denoise + Demultiple + Velocity & Q Inversion + Depropagate = Seismic Imaging (Geophysics Paper 17)

Mehmet Ferruh Akalin

Geological Society of Malaysia (GSM)

...: Geophysics, 32, 859-881. TANER, M.T. AND KOEHLER, F., 1977, Wave-equation migration: Technical brochure, Seiscom-Delta, Inc. ULRYCH, T. J. AND SACCHI...

2011

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

Adventures in Pre-Stack Depth Migration; #110121 (2010)

James Allen

Search and Discovery.com

... the best pre-stack time imaging available is suggested. 3. The choice of PSDM method, Kirchhoff or Wave-Equation, can be a factor. 1provide guidelines...

2010

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

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