A Fine Velocity Modeling Method Based on the Constraint of Gas Cloud Area
A velocity modeling and velocity model technology, applied in seismology, instruments, measuring devices, etc., can solve the problems that cannot reflect the relationship between velocity spatial variation in gas cloud areas and non-gas cloud areas, large velocity spatial variations, and slow lateral velocity changes in formations and other problems, to achieve the effect of improving application efficiency and logic, and high precision of time-depth conversion
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[0041] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0042] Such as Figure 1-5 As shown, the first embodiment of the fine velocity modeling method based on gas cloud area constraints of the present invention.
[0043] Such as figure 1 As shown, the present embodiment is based on the fine velocity modeling method under the constraint of the gas cloud area and includes the following steps:
[0044] S1: Define the velocity model. The velocity model is a regular three-dimensional data grid. Each dimension has a fixed number of data, which respectively represent the number of main survey lines, the number of contact survey lines and the number of sampling points. Defining the velocity model is to set each The number of dimensions of data to meet the needs of actual work.
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