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- W2079065650 abstract "Abstract In areas characterized by complex geology, Depth Velocity Analysis is the mandatory instrument to estimate the sharp velocity variations that can be expected; seismic data and processing tools are necessary but not sufficient ingredients for successful depth imaging results, so sound a priori information must be retrieved from well information and from the geological knowledge of the area of study, as well as a close integration between the geophysical and geological contexts. A proper estimation of seismic velocities is not only fundamental to obtain good imaging quality and correct depth positioning, but it can also be a key input for detecting the presence of overpressures: usually, overpressured areas are associated with seismic velocity inversions. Moreover, in areas where anisotropy is unknown because of lack of well information, seismic velocities are affected by uncertainty: this must be taken into account in order to quantify the consequent uncertainty both in depth positioning of the target and in pore pressure prediction. In this paper a case history from Offshore Ghana is presented, dealing with the above mentioned issues: the intimate correlation that exists between anisotropy and velocity analysis is investigated, and the impacts of the uncertainty that affects them is considered." @default.
- W2079065650 created "2016-06-24" @default.
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- W2079065650 date "2013-03-26" @default.
- W2079065650 modified "2023-09-27" @default.
- W2079065650 title "Seismic Velocity Uncertainty Analysis In An Underexplored Basin" @default.
- W2079065650 doi "https://doi.org/10.2523/iptc-16907-ms" @default.
- W2079065650 hasPublicationYear "2013" @default.
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