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    • 4. 发明申请
    • METHOD OF DETERMINING A SEISMIC VELOCITY PROFILE
    • 确定地震速度剖面的方法
    • US20070195643A1
    • 2007-08-23
    • US11671310
    • 2007-02-05
    • Andrey BakulinRodney CalvertAlbena Mateeva
    • Andrey BakulinRodney CalvertAlbena Mateeva
    • G01V1/28
    • G01V1/303
    • A seismic velocity profile in a region of interest in a subsurface formation is determined using at least the following steps. (a) Activating a seismic source at a location n, thereby exciting a wave in the subsurface formation. (b) Recording a wave signal trace unm(t) against time t, at a seismic receiver m. (c) Recording a wave signal trace unk(t) against time t at a seismic receiver k. (d) Cross correlating the wave signal traces unm(t) and unk(t) to obtain uconvnmnk(t). (e) Repeating these steps, for different locations n; (f) Summing uconvnmnk(t) over all locations n, to obtain a signal trace uvsmk(t) which corresponds to the signal received by the seismic receiver k from the virtual source at the position of seismic receiver m; (g) Deriving the seismic velocity based on the time of first arrival of the wave in uvsmk(t) and the predetermined distance between the seismic receiver m and the seismic receiver k.
    • 使用至少以下步骤确定地下地层中感兴趣区域中的地震速度分布。 (a)在位置n处激活地震源,从而激发地下地层中的波。 (b)在地震接收机m处对时间t记录波信号迹线u nm(t)。 (c)在地震接收机k处对时间t记录波信号迹线u N k(t)。 (d)将波信号迹线u NA(t)和u nk(t)交叉相关,以获得u nmnk(t) (t)。 (e)对不同地点重复这些步骤; (f)在所有位置n上求和u< SUP>> nmnk(t),以获得信号跟踪 mk
    • 5. 发明授权
    • Method of determining a seismic velocity profile
    • 确定地震速度剖面的方法
    • US07706211B2
    • 2010-04-27
    • US11671310
    • 2007-02-05
    • Andrey Victorovich BakulinRodney William CalvertAlbena Alexandrova Mateeva
    • Andrey Victorovich BakulinRodney William CalvertAlbena Alexandrova Mateeva
    • G01V1/00
    • G01V1/303
    • A seismic velocity profile in a region of interest in a subsurface formation is determined using at least the following steps. (a) Activating a seismic source at a location n, thereby exciting a wave in the subsurface formation. (b) Recording a wave signal trace unm(t) against time t, at a seismic receiver m. (c) Recording a wave signal trace unk(t) against time t at a seismic receiver k. (d) Cross correlating the wave signal traces unm(t) and unk(t) to obtain uconvnmnk(t). (e) Repeating these steps, for different locations n; (f) Summing uconvnmnk(t) over all locations n, to obtain a signal trace uvsmk(t) which corresponds to the signal received by the seismic receiver k from the virtual source at the position of seismic receiver m; (g) Deriving the seismic velocity based on the time of first arrival of the wave in uvsmk(t) and the predetermined distance between the seismic receiver m and the seismic receiver k.
    • 使用至少以下步骤确定地下地层中感兴趣区域中的地震速度分布。 (a)在位置n处激活地震源,从而激发地下地层中的波。 (b)在地震接收机m处对时间t记录波信号迹线unm(t)。 (c)在地震接收机k处对时间t记录波信号迹线unk(t)。 (d)将波信号迹线unm(t)和unk(t)相互相关以获得uconvnmnk(t)。 (e)对不同地点重复这些步骤; (f)在所有位置n上求和uconvnmnk(t),以获得对应于由地震接收机k从地震接收机m的位置处的虚拟源接收的信号的信号迹线uvsmk(t); (g)基于波在uvsmk(t)中的首次到达时间和地震接收机m与地震接收机k之间的预定距离得出地震速度。