Meng Xianjun

Pre-stack Inversion of Wide Incident Angle Seismic Data

Summary Most of the current pre-stack inversion methods are based on approximate equations of the Zoeppritz equation which only adapt to seismic data with weak reflection media interface and small angle (or small offset), and cannot meet the demand of geological exploration and development in Shengli Oilfield SINOPEC. In the paper a gradient matrix of reflection coefficient based on the Zoeppritz equation is established as a high accuracy pre-stack inversion method which can avoid the impact of conditional constraints and approximate error due to those approximate formulas. It can be applied to wide incident angle seismic data to get more useful information and good effects in model test and practical data applications.