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    • 21. 发明申请
    • SINGLE WELL RESERVOIR IMAGING APPARATUS AND METHODS
    • 单井储层成像装置及方法
    • US20110227577A1
    • 2011-09-22
    • US12727501
    • 2010-03-19
    • Tianhua ZhangMohammed BadriPatrice LigneulMahmood Akbar
    • Tianhua ZhangMohammed BadriPatrice LigneulMahmood Akbar
    • G01V3/20
    • G01B3/30E21B47/042E21B47/12G01V3/26G01V3/28G01V3/30
    • An apparatus and related methods are described for detecting features of a reservoir surrounding a borehole, the apparatus being capable of emitting an electromagnetic wave signal and receiving a signal representing a response of the reservoir to the electromagnetic wave signal, wherein the emitted signal is a broadband signal selected from within the range of 1 Hz to 1000 Ghz and the received signal includes a directional characteristic to provide an azimuthal determination of the direction of a discontinuity within the formation as the discontinuity reflects or scatters at least part of the broadband signal; azimuthally scanning the surrounding formation; and inverting the received signal for deriving at least a distance of the reflecting discontinuity from the borehole using simultaneous inversion of the reflected or scattered wavefield at multiple frequencies.
    • 描述了一种用于检测围绕钻孔的储存器的特征的装置和相关方法,该装置能够发射电磁波信号并且接收表示储层对电磁波信号的响应的信号,其中所发射的信号是宽带 信号从1Hz至1000Ghz的范围内选择,并且所接收的信号包括方向性特征,以便当不连续性反映或散射宽带信号的至少一部分时,提供地层内的不连续方向的方位角确定; 方位扫描周围地层; 并且反转所接收的信号,以使用多个频率的反射或散射波场的同时反转来从井眼导出反射不连续的距离的至少一个距离。
    • 25. 发明授权
    • Process and device for prospecting a porous geological formation
    • 勘探多孔地质构造的过程和装置
    • US07148693B2
    • 2006-12-12
    • US10504799
    • 2003-02-07
    • Patrice LigneulMarwan Charara
    • Patrice LigneulMarwan Charara
    • G01V3/00
    • G01V3/265G01V11/007
    • A porous geological formation contains electrolytic fluid. During the geophysical prospecting of the formation, a region of interest of the formation where the electrolytic fluid is found is stimulated with an excitation signal. The excitation signal corresponds to an energy of a first type. The excitation signal is converted in the region of interest into a response signal. The response signal corresponds to an energy of a second type. The response signal is detected. An electric polarisation is applied to the region of interest so as to strengthen the response signal relative to what it would be in the absence of polarisation. The electric polarisation comes about by means of a continuous or quasi-continuous polarising electric field. The polarising electric field is modulated in frequency with a frequency which is low relatively to the excitation frequency.
    • 多孔地质构造包含电解液。 在形成地球物理勘探期间,用激发信号刺激发现电解液的地层的感兴趣区域。 激励信号对应于第一类型的能量。 激励信号在感兴趣区域中转换为响应信号。 响应信号对应于第二类型的能量。 检测到响应信号。 对感兴趣的区域施加电极化,以便加强相对于在没有极化的情况下的响应信号。 电极化通过连续或准连续的极化电场来实现。 偏振电场的频率以相对于激励频率低的频率进行调制。