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6. Fault Identification Based on Wide-Azimuth Seismic Data: A Case Study in the Bohai Bay

Author

Sian Zhu$Dagang Branch, China╃Chunzhi Zhang$Dagang Branch, Tianjin, China╃Yubin Feng$Dagang Branch, China╃Hongtao Chen$Dagang Branch, and China╃Yongjun Hu$Dagang Branch

Subjects
geography, Bohai bay, geography.geographical_feature_category, Petroleum exploration, Fault (geology), Physics::Geophysics, Azimuth, Identification (information), Perpendicular, Nuclear Experiment, Anisotropy, Geology, Seismology, Block (data storage)
Abstract

Full-azimuth common reflection-angle gathers could be stacked at any azimuth. The stacked data at the azimuth perpendicular to fractures exhibit the largest azimuthal anisotropy, while the stacked data at the azimuth parallel to fractures exhibit the smallest azimuthal anisotropy. In petroleum exploration in Block A, a neritic province in the Bohai Bay, we use the stacked data at the azimuth perpendicular to fractures to improve fault interpretation. We also use attribute fusion to identify fractures in different directions.

Published
2019

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