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    • 3. 发明申请
    • DETERMINING FORMATION PARAMETERS USING ELECTROMAGNETIC COUPLING COMPONENTS
    • 使用电磁耦合元件确定形成参数
    • WO2009009342A1
    • 2009-01-15
    • PCT/US2008/068883
    • 2008-07-01
    • SCHLUMBERGER CANADA LIMITEDSCHLUMBERGER TECHNOLOGY B.V.PRAD RESEARCH AND DEVELOPMENT LIMITEDSERVICES PETROLIERS SCHLUMBERGERSCHLUMBERGER HOLDINGS LIMITEDYANG, JianLI, QimingSEYDOUX, Jean
    • YANG, JianLI, QimingSEYDOUX, Jean
    • G01V3/28
    • G01V3/28
    • A method to determine one or more parameters of a formation traversed by a borehole, at least a portion of the formation having substantially parallel boundaries, the method comprising disposing a tool in the borehole, wherein the tool includes a transmitter having a dipole moment at an angle Θ T with respect to a longitudinal axis of the tool and a receiver having a dipole moment at an angle Θ R with respect to the longitudinal axis of the tool, the transmitter and receiver comprising a transmitter-receiver pair; transmitting an electromagnetic signal while rotating the tool; receiving the electromagnetic signal to produce a measured signal from the transmitter-receiver pair; and determining the one or more formation parameters for the portion of the formation having substantially parallel boundaries based on the measured signal from the transmitter-receiver pair. A tool disposed in a borehole penetrating a formation, at least a portion of the formation having substantially parallel boundaries, the tool comprising a single transmitter having a transmitter dipole moment at an angle Θ T with respect to a longitudinal axis of the tool; a single receiver having a receiver dipole moment at an angle Θ R with respect to the longitudinal axis of the tool; and a rotational position indicator.
    • 一种用于确定由钻孔穿过的地层的一个或多个参数的方法,所述地层的至少一部分具有基本上平行的边界,所述方法包括在所述钻孔中布置工具,其中所述工具包括在所述钻孔中具有偶极矩 角度TT相对于工具的纵向轴线和相对于工具的纵向轴线具有角度TR的偶极矩的接收器,发射机和接收机包括发射机 - 接收机对; 在旋转刀具的同时传输电磁信号; 接收电磁信号以产生来自发射机 - 接收机对的测量信号; 并且基于来自发射机 - 接收机对的测量信号,确定具有基本平行边界的地层部分的一个或多个地层参数。 一种工具,其设置在穿透地层的井眼中,所述地层的至少一部分具有基本上平行的边界,所述工具包括具有相对于所述工具的纵向轴线的角度TT的发射器偶极矩的单个发射器; 具有相对于工具的纵向轴线的角度TR的接收器偶极矩的单个接收器; 和旋转位置指示器。