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Comparison of Refraction and Diving Wave Tomography Statics Solution along a Regional Seismic Profile in SE PolandNormal access

Authors: M.C. Cyz and M.M. Malinowski
Event name: 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013
Session: Seismic Processing
Publication date: 10 June 2013
DOI: 10.3997/2214-4609.20131102
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 604.36Kb )
Price: € 20

Static corrections determination is one of the main problems seismic data processing on land. Typically, static solution is obtained using refracted arrivals to build near-surface velocity model. Sometimes it is augmented by an uphole survey. However, good refraction solution can be obtained, when a clear refractors exist in the subsurface. In case of complicated geology, like dipping, thrust-and-fold belt structures, refraction static solution can be difficult to obtain. In such case, diving waves can be inverted using tomographic approach to obtain so-called tomostatics (e.g. Zhu et al. 1992). Here we compare refraction and tomographic static solutions calculated for a deep regional profile located in SE Poland. It provides a good benchmark for comparing various static solution as it crosses both relatively simple and complex geological strata.

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