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Shear-Wave Splitting Analysis of a 3D VSP from the San Juan Basin
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 65th EAGE Conference & Exhibition, Jun 2003, cp-6-00044
Abstract
P222 SHEAR-WAVE SPLITTING ANALYSIS OF A 3D VSP FROM THE SAN JUAN BASIN Summary 1 A quantitative characterization of fracture properties in naturally fractured tight gas reservoirs is of great importance for understanding reservoir properties. This study presents the analysis of a 3D-VSP data set from the San Juan Basin with regard to shear-wave anisotropy. The results indicate heterogeneity in the fracture distribution at the reservoir level. Overall the time delays between split shear waves at reservoir depths are relatively small. This may be due to the presence of several fracture orientations in the target. Introduction As part of a