Application of an improved residual static correction technique in HJB 3D seismic data processing

Abstract

Abstract: The HJB 3D area is characterized by large surface relief and significant changes in velocities and thicknesses of low-velocity zones. The 3D seismic data acquired in the area have low signal-to-noise ratio (SNR) and severe static correction problems. Consequently, the images derived from such data are poor in quality, making the wave group features of the target formation impossibly be tracked continuously. For static correction of the 3D seismic data, the conventional residual static correction techniques cannot effectively resolve the above-mentioned problems. After researches and tests, this paper presents an improved residual static correction technique, which covers the deficiencies of some algorithms for conventional residual static correction techniques. The improved technique has been applied in the processing of HJB 3D seismic data, with outstanding imaging performance.

Key words: complex surface, static correction problem, residual static correction, imaging performance

Li Guosheng, Ma Fengchen, Tang Haozhe. Application of an improved residual static correction technique in HJB 3D seismic data processing[J]. China Petroleum Exploration, 2016, 21(6): 116-119.

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