Method for compensating 3D DMO for the effects of an inhomogeneous earth
US5285422A · kind A · utility
18Cited by
1References
4Claims
0Family size
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Key dates
| Filing date | Mar 8, 1993 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Mar 8, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2210/522
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A three dimensional residual modeling operator is applied to seismic times that have been preprocessed by application of NMO and velocity independent DMO. The residual operator compensates for vertical velocity variation and anisotropy and its use precludes the need for ray tracing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.