Large and complex velocity models, the prohibitive cost of depth imaging calculations, limited resources for interpreting velocity errors, and huge data sets: these are the obstacles that impede implementation of 3-D migration velocity analysis techniques. We have implemented a tomographic procedure that addresses these difficulties. It incorporates a flexible model parameterization, sparse ray tracing for traveltime approximations, automatic detection of residual moveout, parallel algorithm design, and a new feature: image computation in the direction normal to reflectors.
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Tomographic Migration Velocity Analysis In 3-D
Paper presented at the 2000 SEG Annual Meeting, Calgary, Alberta, August 2000.
Paper Number: SEG-2000-0938
Published: August 06 2000
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Docherty, Paul, Artley, Craig, Plumlee, Mike, Sullivan, Mike, and Robert Windels. "Tomographic Migration Velocity Analysis In 3-D." Paper presented at the 2000 SEG Annual Meeting, Calgary, Alberta, August 2000.
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