Towards a near-surface velocity model of groningen using transdimensional Markov chains

A. Rahimi Dalkhani, E. Ruigrok, C. Weemstra

Research output: Contribution to conferencePaperAcademic

Abstract

A reliable near-surface velocity is of great importance for seismic hazard analysis and hypocenter location estimation. In this paper, we use transdimensional Markov chain Monte Carlo to infer near-surface shear wave velocity structure from interferometric responses between borehole receivers in the Groningen area. By naturally preferring simple models over more complex models, the algorithm is able to better estimate the depth of an interface, provided only a few velocity interfaces exist. In addition, it provides us with an estimate of the variance of the recovered velocity model.

Original languageEnglish
Publication statusPublished - Nov 2019
Event5th EAGE Workshop on Borehole Geophysics: Bridging the Gap between Surface and Reservoir - The Hague, Netherlands
Duration: 18 Nov 201920 Nov 2019

Conference

Conference5th EAGE Workshop on Borehole Geophysics: Bridging the Gap between Surface and Reservoir
Country/TerritoryNetherlands
CityThe Hague
Period18/11/1920/11/19

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