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The AAPG/Datapages Combined Publications Database

Showing 686 Results. Searched 197,286 documents.

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Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... subsurface as an acoustic medium, we assume that the propagation of energy through the earth is governed by the acoustic wave equation...

1995

Supporting Oil Drilling Rigs in Indonesian Swamps

Paul M. Reed, Johannes Karundeng

Indonesian Petroleum Association

... on previous experience, is to determine resistance by dynamic formulas. The most reliable one is the wave equation. Fig. 8 shows how this method models...

1982

Reverse-time migration of mobile marine vibrator data

Khalid Almuteri, Paul Sava, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the seismic wavefield. We compute the wavefields required by RTM using the acoustic wave equation in a generalized coordinate system that takes...

2022

Decoupled approximation of qP- and qSV-wave in attenuated TI media

Rong Huang, Zhiliang Wang, Guojie Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the Earth’s internal structure. In seismic exploration, the anisotropic viscoelastic wave equation is a reliable way to describe the propagation of seismic...

2023

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

Multicomponent Seismic Technology Assessment of Fluid-gas Expulsion Geology and Gas-hydrate Systems: Gulf of Mexico

B. A. Hardage, P. E. Murray, R. Remington, M. De Angelo, D. Sava, H. H. Roberts, W. Shedd, J. Hunt Jr.

AAPG Special Volumes

... strata. Our ongoing work uses a different data-processing strategy based on common-receiver trace gathers that eliminate the need to do wave-equation...

2009

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...

2009

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... after 3D prestack wave-equation depth migration. The complex wave propagation of the primaries is unravelled by the prestack migration, making...

2008

3D velocity model building based upon hybrid neural network

Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The wave equation is written in terms of the second-order finite difference solution, p (r,t + ∆t) = c (r)2 ∆t 2 ∇2 p (r,t) + f (r,t) δ (r − rs ) +2p (r...

2022

Q-compensation imaging of anisotropic viscous quasi-acoustic media along wavefield propagation path

Bohan Zhang, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... absorption attenuation media based on two-way wave equation, however, the mathematical derivation and numerical implementation of two-way wave equation...

2022

New numerical schemes for time-domain seismic wave modeling in viscoelastic media

Bing Zhou, Moosoo Won, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

...r the 1st-order or 2nd-order wave equation, e.g. basing on equations (5), (6), (8), (9) and (10), one obtains the two versions of wave equatio...

2022

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

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

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

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