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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30660-MS
... incident or lost time. The data recovery was excellent. Data was processed with technologies including Full Waveform Inversion (FWI) for velocity model building and Least Squares Reverse-Time Migration (LSRTM). Dual coil and WAz data were used along with OBN to produce a superior image of the field...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27164-MS
... inhomogeneities. Traditional tomographic velocity inversion methods could not provide sufficient resolution of the small-scale velocity anomalies within the MTC. As a result, seismic events below the MTC appeared distorted and out of focus. Multiple iterations of high-frequency full waveform inversion (FWI), up...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24141-MS
... Abstract Full Waveform Inversion (FWI) has become a new tool in recent practice for subsurface velocity model updating. When using FWI, the common scheme was to use data sets which have relatively large offsets up to 8 km or more and frequencies as low as 2.8 Hz considering surface seismic...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23702-MS
... Abstract The emergence of Full Wavefield Inversion (FWI) methods represents a paradigmshift with the potential to revolutionize the way we image and interpretseismic. Advances in algorithms and computing technology are now making FWIpractical, making it possible to construct detailed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20935-MS
...) modeling of the SEG advanced modeling (SEAM) model shows the illumination improvements obtained by full-azimuth 14 × 14-km data vs. wide-azimuth 8 × 4-km data. two-way wave equation wide azimuth data offshore technology conference upstream oil & gas fwi full-azimuth data salt geometry...

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