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    • 7. 发明申请
    • MULTIPLE ANISOTROPIC PARAMETER INVERSION FOR A TTI EARTH MODEL USING WELL DATA
    • 使用良好数据的TTI地球模型的多个ANISOTROPIC参数反演
    • US20120185171A1
    • 2012-07-19
    • US13368134
    • 2012-02-07
    • Yonghe SunYue WangTong XuLeonard Lin Zhang
    • Yonghe SunYue WangTong XuLeonard Lin Zhang
    • G06F19/00
    • G01V1/303
    • A method for determining values of anisotropic model parameters of a Tilted Transversely Isotropic (TTI) Earth model, the method including obtaining an initial TTI earth model that substantially flattens common-imaging-point gathers and substantially ties seismic data to well data; inputting checkshot data and/or VSP data to determine updated values of Vp0 near the well locations; determining an incremental improvement Δδ; extrapolating the relative change Δδ from near-well locations to the entire three dimensional TTI earth model; determining updated values of Vp0=Vp0 (1−Δδ); inputting near-to-mid-offset/angle and mid-to-far-offset/angle residual moveout information; and providing updated values of δ and η.
    • 一种用于确定倾斜横向各向同性(TTI)地球模型的各向异性模型参数值的方法,该方法包括获得基本平坦的共同成像点集合并且将地震数据实质上与井数据相关联的初始TTI地球模型; 输入检查数据和/或VSP数据以确定井位置附近的Vp0的更新值; 确定渐进式改进; 将相对变化&Dgr;δ从近井位推导到整个三维TTI地球模型; 确定Vp0 = Vp0(1-&Dgr;δ)的更新值; 输入近中偏移/角度和中到远偏移/角度剩余移动信息; 并提供δ和eegr的更新值。