Q-compensated full wavefield inversion
US10310113B2 · kind B2 · utility
25Cited by
133References
11Claims
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Key dates
| Filing date | Aug 30, 2016 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Feb 12, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2210/74
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method, including: obtaining a velocity model generated by an acoustic full wavefield inversion process; generating, with a computer, a variable Q model by applying pseudo-Q migration on processed seismic data of a subsurface region, wherein the velocity model is used as a guided constraint in the pseudo-Q migration; and generating, with a computer, a final subsurface velocity model that recovers amplitude attenuation caused by gas anomalies in the subsurface region by performing a visco-acoustic full wavefield inversion process, wherein the variable Q model is fixed in the visco-acoustic full wavefield inversion process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.