SYSTEM AND METHOD FOR DISTRIBUTED ACOUSTIC SENSING VERTICAL SEISMIC PROFILE MODELING
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Oct 6, 2023
filing date -
Oct 6, 2023
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Abstract
A method is described for generating distributed acoustic sensing (DAS) vertical seismic profile (VSP) data including receiving, at one or more processing cores, synthetic DAS acquisition parameters; modeling synthetic pressure-field data; augmenting the synthetic pressure-field data using reciprocity to generate an augmented dataset; sorting the augmented dataset into pressure-field common shot gathers; and converting the pressure-field common shot gathers to strain-rate DAS VSP data. The converting may be done by taking a spatial derivative of pressure along a DAS cable; performing a temporal integral to find particle velocity along the DAS cable; and taking a spatial derivative of the partial velocity along the DAS cable to convert the pressure-field common shot gathers to strain-rate DAS VSP data.
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