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- W2970583431 abstract "Summary Gas absorption causes anelastic effects (described by the quality factor Q) and is a well-known source of amplitude loss and phase distortion in seismic data. Advances in full waveform inversion technology have recently offered a new possibility to compensate for phase distortion and amplitude loss by a joint update between velocity and the quality factor (Q). Several industrial applications on towed streamer data have recently been published. In this paper we present a new application on a North Sea dataset with gas present in the overburden. The dataset consists of wide azimuth ocean bottom P-wave seismic data, which is particularly favourable for application of FWI. We see that when combined with Q-Reverse Time Migration a good uplift in reservoir imaging is obtained." @default.
- W2970583431 created "2019-09-05" @default.
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- W2970583431 date "2019-01-01" @default.
- W2970583431 modified "2023-09-27" @default.
- W2970583431 title "Improved Structural Imaging Using Joint Velocity and Q FWI on Ocean Bottom Seismic" @default.
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- W2970583431 doi "https://doi.org/10.3997/2214-4609.201901235" @default.
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