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Microseismic Monitoring and Spatial Variations in Anisotropy, an Example from Oman
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 67th EAGE Conference & Exhibition, Jun 2005, cp-1-00251
Abstract
P094 P000 MICROSEISMIC MONITORING AND SPATIAL VARIATIONS IN ANISOTROPY AN EXAMPLE FROM OMAN. A. AL-ANBOORI 1 M. KENDALL 1 D. RAYMER 2 and R. JONES 2 1 School of Earth and Environment University of Leeds Leeds LS2 9JT UK. 2 Vetco Gray Ltd Rosemanowes Penryn TR10 9DU UK. Summary Measurements of shear-wave splitting in microseismic data are used to study seismic anisotropy in an oilfield in west-central Oman. Over 460 events are recorded by up to 10 downhole seismometers deployed in 5 boreholes resulting in nearly 2500 shear-wave splitting measurements. Stringent quality control reduces the number of reliable measurements to