Method Of Generating and Combining Multiple Horizons To Determine A Seismic Horizon And Its Uncertainty
First Claim
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1. A method of creating a model of a subsurface region based on multiple depth values, comprising:
- selecting seeds that represent a starting location within a desired horizon surface;
generating a plurality of candidate horizons from the selected seeds;
combining depth values from the plurality of candidate horizons into a representative depth value;
computing an uncertainty based on discrepancies among the depth values; and
creating a model of the subsurface region using the depth values and the uncertainty.
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Abstract
There is provided a system and method for creating model of a subsurface region based on multiple depth values. The method includes selecting seeds that represent a starting location within a desired horizon surfaces and generating a plurality of candidate horizons from the selected seeds. A number of depth values from the candidate horizons may be combined into a representative depth value and an uncertainty may be computed based on discrepancies among the depth values. A model of the subsurface region may be created using the depth values and the uncertainty.
29 Citations
20 Claims
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1. A method of creating a model of a subsurface region based on multiple depth values, comprising:
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selecting seeds that represent a starting location within a desired horizon surface; generating a plurality of candidate horizons from the selected seeds; combining depth values from the plurality of candidate horizons into a representative depth value; computing an uncertainty based on discrepancies among the depth values; and creating a model of the subsurface region using the depth values and the uncertainty. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer system that is configured to create model of a subsurface region based on multiple depth values, the computer system comprising:
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a processor; and a tangible, machine-readable storage medium that stores machine-readable instructions for execution by the processor, the machine-readable instructions comprising; code that is configured to cause the processor to select seeds that represent a starting location within a desired horizon surface; code that is configured to cause the processor to generate a plurality of candidate horizons from the selected seeds; code that is configured to cause the processor to combine a plurality of depth values from the plurality of candidate horizons into a representative depth value; code that is configured to cause the processor to compute an uncertainty based on discrepancies among the depth values; and code that is configured to cause the processor to render a model of the subsurface region using the depth values and the uncertainty. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A non-transitory, computer readable medium comprising code configured to direct a processor to:
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select seeds that represent a starting location within a desired horizon surface; generate a plurality of candidate horizons from the selected seeds; combine depth values from the plurality of candidate horizons into a representative depth value; compute an uncertainty based on discrepancies among the depth values; and create a model of a subsurface region using the depth values and the uncertainty. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification