Relative event localization in uncertain velocity model

Malcolm, Alison and Poliannikov, Oleg V. and Prange, Michael and Djikpesse, Hugues (2012) Relative event localization in uncertain velocity model. SEG Technical Program Expanded Abstracts 2012, 2012. pp. 1-2. ISSN 1949-4645

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Abstract

We study a problem of localization of an unknown event location relative to previously located events using a single monitoring array in a monitoring well. It has been shown that using the available information about the previously located events for locating new events is advantageous to localizing each event independently. We compare the performance of two previously proposed localization methods, double-difference and interferometry, in varying signal noise and velocity uncertainty, and propose a framework for selecting the optimal method for a given experiment.

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