Device and method for deghosting seismic data using sparse tau-p inversion
US10345470B2 · kind B2 · utility
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Key dates
| Filing date | Jan 8, 2015 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Dec 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2210/56
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Computing device, computer instructions and method for improving accuracy of an image of a surveyed subsurface. The method includes a step of receiving seismic data (D) recorded with seismic sensors; a step of deghosting the seismic data (D) using a sparseT-Pinversion algorithm together with a low-rank optimization scheme and a high-cut filter to calculate ghost-free wave-fields (U0(t,x,y)) in the time-space domain; and a step of processing the ghost-free wave-fields (U0(t,x,y)) to generate the image of the surveyed subsurface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.