Seismic Modeling of Geologic Structures

Fagin, Stuart

doi:10.1190/1.9781560802754

Cited by 34 publications

(2 citation statements)

References 14 publications

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“…(2) A set of estimated interval velocity values corresponding to these CDPs in each block. These values are computed using stacking velocities and the inverse Dix formula [11].…”

Section: Time-to-depth Mapping Of Stacked Datamentioning

confidence: 99%

Ray tracing methods for inverse problems

Pereyra

2000

Inverse Problems

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We discuss the origin, use and implementation of ray tracing methods for nonlinear inverse modelling problems associated with wave propagation phenomena. These methods have a long tradition in acoustic and elastodynamic wave propagation problems for various important applications, and they can surely be helpful in other realms, including electromagnetic wave propagation and diffusion dominated phenomena. The subjacent models used for forward simulation have increased in complexity and dimension as computer power has enabled us to solve such problems in an acceptable amount of time. Thus, we will devote part of this paper to discuss modelling issues and the parallel implementation of algorithms for applications in earth sciences.

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“…(2) A set of estimated interval velocity values corresponding to these CDPs in each block. These values are computed using stacking velocities and the inverse Dix formula [11].…”

Section: Time-to-depth Mapping Of Stacked Datamentioning

confidence: 99%

Ray tracing methods for inverse problems

Pereyra

2000

Inverse Problems

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“…Compared to FD, ray tracing is a quite simple model of wave propagation, where the wave front, a real physical property, is represented by its normal, known as ray (Fagin, 1991). With this method it is possible to obtain the path and time of travel for any specific trajectory, as defined by source and receiver locations.…”

Section: Modeling Using the Finite Difference Methodsmentioning

confidence: 99%

06/02071 Trends in scientific computing applied to petroleum exploration and production

2006

Fuel and Energy Abstracts

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Current trends of computational tools in the upstream of the petroleum industry are presented herein. Several results and images obtained through commercial programs and through in-house software developments illustrate the topics discussed. They include several types of problems and programming paradigms. Emphasis is made on the future of parallel processing through the use of affordable, open systems, as the Linux system. This kind of technologies will likely make possible new research and industry applications, since quite advanced computational resources will be available to many people working in the area.En este trabajo se presenta una perspectiva actualizada de las herramientas computacionales utilizadas en las tecnologías de las etapas de exploración y producción ("upstream") de la industria petrolera. Los tópi-cos discutidos se ilustran con varios resultados e imágenes, obtenidos a partir de programas de software comercial y de otros programas desarrollados internamente. Entre estos tópicos se incluyen varios tipos de problemas y paradigmas de programación. Se le da énfasis al futuro del procesamiento paralelo y a los sistema abiertos, como el sistema operacional Linux. Este tipo de sistemas harán factibles nuevas aplicaciones en la investigación y en la industria, al permitir que muchas personas y entidades vinculadas al área, tengan acceso a poderosos recursos computacionales.

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Geological Modelling and Reservoir Simulation

Farmer

2005

Mathematics in Industry

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Summary.The main mathematical techniques used in building geological models for input to fluid flow simulation are reviewed. The subject matter concerns the entire geological and reservoir simulation modelling workflow relating to the subsurface. To provide a realistic illustration of a complete fluid flow model, a short outline of two-phase incompressible flow through porous media is given. The mathematics of model building is discussed in a context of seismic acquisition, processing and interpretation, well logging and geology. Grid generation, geometric modelling and spatial statistics are covered in considerable detail. A few new results in the area of geostatistics are proved. In particular the equivalence of radial basis functions, general forms of kriging and minimum curvature methods is shown. A Bayesian formulation of uncertainty assessment is outlined. The theory of inverse problems is discussed in a general way, from both deterministic and statistical points of view. There is a brief discussion of upscaling. A case for multiscale geological modelling is made and the outstanding research problems to be solved in building multiscale models from many types of data are discussed.

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Seismic Modeling of Geologic Structures

Cited by 34 publications

References 14 publications

Ray tracing methods for inverse problems

Ray tracing methods for inverse problems

06/02071 Trends in scientific computing applied to petroleum exploration and production

Geological Modelling and Reservoir Simulation

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