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Favorite 3-D Designs

January 01, 1994


One of the favorite games that has withstood the test of time and computer technology is chess. Rarely are two chess games exactly the same. One of the reasons is that each piece has its own unique set of rules for movement. Some can move only diagonally, some only orthogonally, and some with limitations on the amount of move. A chess piece can reach a certain square and cover it with many different sequencesto arrive at that point. In fact, one of the favorite 3-D seismic survey designs is based on the chessboard concept and achieves coverage with checkerboard moves. Just as in chess, there are many ways to achieve the same objective. The collection of common designs that follow can achieve coverage, but some designs have diagonal or directional properties whereas others do not.

Choosing the best survey design for the intended area is a decision based on many factors. The size of the survey, available equipment, objectives, obstacles, and all the other planning factors go into choosing the right one for a specific survey.

The subsurface sampling is determined by the source and receiver station spacings on the surface. The source and receiver station locations determine a desired bin size. In most cases, there are not enough channels in the field equipment to sample the whole survey without moving the source and receivers around the coverage. The layout of the available receivers at given time and the sources used before moving the layout is called a template. Templates

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Society of Exploration Geophysicists Geophysical References Series

Designing Seismic Surveys in Two and Three Dimensions

Dale G. Stone
Dale G. Stone
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Charles A. Meeder
Charles A. Meeder
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Society of Exploration Geophysicists
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Publication date:
January 01, 1994




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