Modeling of Electromagnetic Response on Rugged Seafloor by Using Finite-Difference Method

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Preface to Memoir 49: Prediction of Reservoir Quality through Chemical Modeling

AAPG Special Volumes

..., finite element and finite difference techniques, tempt one to believe that prediction of porosity evolution on geologically reasonable scales of time...

A stable TTI acoustic wave equation

Linbin Zhang, Edose Ohen

International Meeting for Applied Geoscience and Energy (IMAGE)

...) The finite difference method is used to compute the spatial partial derivatives in (18) and (19). For example, 𝜕𝑃 𝜕𝑥 = 𝑃(𝑥+∆𝑥)−𝑃(𝑥−∆𝑥) 2...

Groundwater Modeling

Uriel Oko

Special Publications of SEPM

..., were developed by W. C. Walton in 1989 (Walton, 1989b) and are distributed by Lewis Publishers, Inc. These programs solve large sets of finite difference...

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

... synthetic data through finite-difference modeling. The seismic modeling adopted in this study starts from a 2D finite-difference synthetic simulation...

Implementation aspects of elastic FWI and its application to sparse OBN surveys

Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... manifested as a change in velocity in a direction perpendicular to the interface. This effect is proportional to the finite difference (FD) grid size...

Abstract: Seismic Imaging near and within the Basement Offshore Malaysia; Including Comparisons of Imaging Algorithms (Geophysics Paper 19)

Nabil El Kady, M. Shah Sulaiman, Zabidi M Dom, Tang Wai Hoong, Lee Mei Lu, Pavel Vasilyev, Martin Bayly

Geological Society of Malaysia (GSM)

... Finite Difference model was constructed with similar reflector geometry and velocities. This model produced a similar event on the raw model gathers...

Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)

Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit

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..., the effect of anisotropy due to heterogeneities in elastic rock properties has been examined using 2-D finite difference elastic wave modeling...

Simulation of Light Hydrocarbon Migration in a Stacked Petroleum Reservoir at Teapot Dome, Wyoming, with Pressurization During Carbon Dioxide Sequestration

Ronald W. Klusman

AAPG Special Volumes

.... The term z is commonly represented by x in finite-difference notation, but the diagram is turned vertically to represent buoyant migration of gas...

Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

Search and Discovery.com

... a forward modeling and a depth migration. The forward modeling engine, which is usually based on a finite difference solution of the elastic wave equation...

Abstracts: General Anisotropic Travel Times … A Purpose Built Solution; #90173 (2015)

R. Phillip Bording

Search and Discovery.com

... to any general anisotropy. In this work using hardware for geophysical algorithms such as finite difference methods and ray tracing is extended...

Results of a Vibroseis Sourced 3D Seismic Survey, Phetchabun Basin, Thailand

David Remus, Rex Prosser

Southeast Asia Petroleum Exploration Society (SEAPEX)

... was 200 milliseconds. Datum statics were calculated using 3D refraction statics. 3D dip move-out (DMO) and 2-pass finite difference 3D migration were...

Abstract: Seismic Modeling of Fluvial Reservoirs in Outcrop, by E. Campbell; #90990 (1993).

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Abstract: Planning a Seismic Survey Offshore Myanmar Using Finite Difference Modeling and a Conceptual Earth Model; #90294 (2017)

Michele Buia, Francesca Salvi, Alessia Ravasio, Ivan Staine

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...Abstract: Planning a Seismic Survey Offshore Myanmar Using Finite Difference Modeling and a Conceptual Earth Model; #90294 (2017) Michele Buia...

Abstract: Transmission Imaging: Moving Source Offset VSP (MSOVSP) Case Study; #90172 (2014)

Emmanuel Bongajum, Bernd Milkereit, Douglas Schmitt

Search and Discovery.com

... seismograms were modeled using a 3D viscoelastic finite difference code (Bohlen, 2002). The data acquisition was symmetric about the borehole...

ABSTRACT: BURIED GAS HYDRATES IN THE DEEPWATER OF THE SOUTH CASPIAN SEA, AZERBAIJAN: IMPLICATIONS FOR GEO-HAZARDS; #90024 (2004)

Camelia C. Diaconescu, James H. Knapp, Robert M. Kieckhefer

Search and Discovery.com

.... Principal steps included wavelet deconvolution, spherical divergence, bandpass filtering, surface consistent amplitude scaling, finite-difference...

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... a finite difference operator is used for extrapolation (Fleury and Vasconcelos, 2013). Alternatively, acoustic time-reversal extrapolation can be achieved...

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... calculation (thin red) are plotted as well as the critical angle. The elastic finite-difference modelling results for each of the four elastic models...

Incorporating refraction time-shifts into geophysical monitoring systems for monitoring shallow CO2 accumulations

Martyn Steel, Sjoerd A.L. De Ridder, Mike Branston, James Butt, Gabrielle Busanello

International Meeting for Applied Geoscience and Energy (IMAGE)

... Table 1 Parameters used in synthetic layer cake models for synthetic finite-difference modelling of marine seismic experiments. High-velocity layer...

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... Article #90168©2013 CSPG/CSPE GeoConvention 2007, Calgary, Alberta, Canada, May 14-17, 2007 industry standard (Vidale 1988) uses a finite difference...

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... Article #90168©2013 CSPG/CSPE GeoConvention 2007, Calgary, Alberta, Canada, May 14-17, 2007 industry standard (Vidale 1988) uses a finite difference...

An immersed boundary topography approach for TTI acoustic propagation

Edward Caunt, Rhodri Nelson, Tim MacArthur, Fabio Luporini, Gerard Gorman

International Meeting for Applied Geoscience and Energy (IMAGE)

... Association of Petroleum Geologists REFERENCES Almuhaidib, A. M., and M. N. Toksoz, 2015, Finite difference elastic wave modeling with an irregular free...

Southern Piceance Basin Model--Cozzette, Corcoran and Rollins Sandstones

Charles A. Brown, Thomas M. Smagala, Gary R. Haefele

AAPG Special Volumes

.... HARRIS, 1976, Direct finite difference simulation of a gas well with a finite capacity vertical fracture: SPE-AIME (Society of Petroleum Engineers...

Abstract: Applicability of TTI RTM to Structured Land Datasets; #90172 (2014)

Charles Ursenbach, Yan Yan

Search and Discovery.com

... in highly structured media. The present calculations have been carried out using a finite-difference implementation of RTM (Zhang and Zhang, 2008...

AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling, Chapter 15: Simple 3-D Modeling of Hydrocarbon Migration

Wangen, M., T. Throndsen

AAPG Special Volumes

.... 723759.Schneider, F., S. Wolf, I. Faille, T. Galloet, and W. Choueri, 1992, Hydrocarbon migration in basin modeling: Is the combined use of finite element...