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Abstract

A33 VP/VS FROM TWO DIFFERENT MODE CONVERTED ARRIVALS Abstract 1 Both the locally converted C-wave and the Purnell mode (S-wave) can be used to determine the Vp/Vs ratio beneath salt. These Vp/Vs ratios can be transformed into pore pressures to guide drilling activities. We forward modeled a generalized flat layered earth with a thick salt body in a deepwater setting. The reduced C-wave and Purnell mode traveltimes can be easily converted into Vp/Vs ratios when combined with the P-wave traveltime. The Vp/Vs so deduced from traveltime measurements is exactly correct only for an exactly vertical ray but acceptable (less than

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/content/papers/10.3997/2214-4609-pdb.17.A33
2005-09-05
2020-10-01
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.17.A33
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