Table of Contents: 32nd Annual Convention Proceedings, 2008

Indonesian Petroleum Association

... Shuirong, Hairunnisa, Xia Tianfang IPA08-G-054 3D VSP Finite-Difference Acoustic Modeling to Address Advance Seismic Imaging Challenges in Bintuni Bay...

Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)

Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray

Search and Discovery.com

.... Consequently a variety of solutions have been proposed. The first method that was both accurate and efficient was applied to finite-difference methods...

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... the traveltime by tracing rays (Julian and Gubbins, 1977; Keho and Beydoun, 1988) or solving the eikonal equation using the finite-difference algorithm...

Full-elastic AVA extraction using acoustic FWI

Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini

International Meeting for Applied Geoscience and Energy (IMAGE)

... – this represents a model with simplified gasfilled reservoirs that do display anomalous AVA. We generated synthetic elastic finite-difference data using...

Abstract: 2-D Basin Modeling in the North West German Basin - Influence of Reservoir Model on Gas Distribution, by W. Leu, B. Klug, and R. Schegg; #90923 (1999)

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Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)

Amsalu Y. Anagaw, Mauricio D. Sacchi

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... is computed by solving the full wave-equation using the finite difference method. FWI is a local gradientbased optimization problem requiring...

Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset

Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... reverse-time migration using GPU card and POSIX thread based on the adaptive optimal finite-difference scheme and the hybrid absorbing boundary condition...

Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method

Xinwen Zhang, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... (1983) chose the finite difference method to solve the twoway wave equations. Chang and McMechan (1987, 1994) proposed inverse time migration...

Reverse-time migration of mobile marine vibrator data

Khalid Almuteri, Paul Sava, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... are stationary, one can compute the receiver wavefield using a Cartesian finite-difference acoustic wave-equation solver. In the case of ocean-bottom...

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)

... anisotropic wavefield simulation in fractured media. Based on the finite difference method, we implement the new 3D anisotropic wavefield simulation using...

Elastic reverse-time migration without wavefield decomposition

Daiguang Li, Shengchang Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Virieux, J., 1984, SH-wave propagation in heterogeneous media: Velocity-stress finite difference method: Geophysics, 49, 1933–1942, doi: https://doi...

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

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... model is proportional to a reverse-time migration of the data residual (the difference between the actual data and data predicted by the model) where...

Abstract: 4D Finite Difference Forward Modelling Within a Redefined Closed-Loop Seismic Reservoir Monitoring Work-Flow; #90254 (2016)

David Hill, Dominic Lowden, Sonika Sonika, Mehdi Paydayesh, Andrej Bulat, Leigh Truelove, Clark Chahine, and Adrian Rodriguez Herrera

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...Abstract: 4D Finite Difference Forward Modelling Within a Redefined Closed-Loop Seismic Reservoir Monitoring Work-Flow; #90254 (2016) David Hill...

Groundwater Modeling in Support of Remediation of Chloroform Contaminated Groundwater at a Former Landfill

A.C. Stringer, K.B. Clark

Montana Geological Society

..., Montana. December. McDonald and Harbaugh, 1988. A Modular Three-Dimensional Finite-Difference Ground-Water Flow Model (MODFLOW...

Reductive Dissolution and Precipitation of Manganese Associated with Biodegradation of Petroleum Hydrocarbons

Leslie A. Klinchuch, Thomas A. Delfino

Environmental Geosciences (DEG)

... finite-difference ground-water flow model. In U.S. Geological Survey techniques of water resources investigations, Book 6, Chapter A1. Washington, DC...

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

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... of the velocity within the model ensures that the Kirchhoff forward operator for shot records has fair match with that from finite difference wave propagations...

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

Tianfei Zhu

Search and Discovery.com

... in the figure. Based on finite-difference solution of wave equation 1, RTM is the most accurate migration method and its image in Figure 1b is used here...

Upside down Rayleigh-Marchenko imaging: Towards a practical exact redatuming scheme for ocean bottom acquisitions

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

...: (a) Subsurface density model, (b) True Green’s function obtained by finite-difference modeling, and (c) Green’s function retrieved by the proposed method, (d...

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

...). To overcome this issue, the numerical method derived from Equation 3 is preferred. Methods such as finite-difference is able to describe wave motion...

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

... two-way wave equation in time-space domain by finite difference approximation. This paper introduces an alternative approach, the downward continuation...

Abstract: Reservoir Modeling for the Rest of Us

John Mouton

Houston Geological Society Bulletin

... old mature fields with hundreds of wells. John says this is not your father’s simulator: unlike the old finite-difference technology, where...

Abstract: Modeling of Seismic Signatures of Carbonate Rock Types, by B. Jan and Y. Sun, #90188 (2014)

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Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal

Frederic J. Billette, Yan Quist

GCAGS Transactions

... finite difference modeling is the most advanced and complete method available to study the effects of acquisition geometry on imaging of target...

Recent Developments in Marine Acquisition and Data Processing Technology to Improve Imaging through Complex Overburdens

Timothy Bunting, Jerry Kapoor, Nick Moldoveanu, Jeremy Browett

GCAGS Transactions

... between 150 and 14,000m. Figure 2. Results of a finite difference modeling and imaging study to assess the uplift of the dual coil acquisition solution...

High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

.... The full waveform inversion process uses this model and a two-way wave equation finite difference acoustic wavefield propagator to generate modelled...