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    • 4. 发明授权
    • Shoulder bed effects removal
    • 肩部床效应消除
    • US07599825B2
    • 2009-10-06
    • US11279203
    • 2006-04-10
    • Jian YangDzevat OmeragicChengbing LiuQiming LiJan W. SmitsYanqing ZengHelene C. Climent
    • Jian YangDzevat OmeragicChengbing LiuQiming LiJan W. SmitsYanqing ZengHelene C. Climent
    • G06G7/48G01V3/18G01V3/00
    • G01V3/24
    • Various technologies for removing shoulder-bed effects from measurements of an earth formation made in a wellbore. In one implementation, a methodology for removing the shoulder-bed effects includes receiving the measurements and constructing a layered model of the earth formation. Each layer has a set of parameters corresponding to one or more types of the received measurements ascribed to each layer such that the set of parameters define a parameter space for the layered model. The methodology may further include dividing the parameter space into subspaces based on relationships among the parameters, selecting from the subspaces one or more starting points, minimizing a cost function using the one or more starting points to generate one or more candidate solutions having the shoulder-bed effects removed and selecting a final solution from the one or more candidate solutions.
    • 用于通过测量在井眼中产生的地层的各种技术来消除肩膀床效应。 在一个实施方案中,用于去除肩膀床效应的方法包括接收测量并构建地层的分层模型。 每个层具有对应于归属于每个层的接收的测量的一种或多种类型的参数的集合,使得该组参数定义分层模型的参数空间。 该方法可以进一步包括:基于参数之间的关系将参数空间划分为子空间,从子空间中选择一个或多个起始点,使用一个或多个起始点使成本函数最小化,以生成具有肩峰位置的一个或多个候选解, 床效应被消除,并从一个或多个候选解决方案中选择最终解决方案。
    • 6. 发明授权
    • Determining formation parameters using electromagnetic coupling components
    • 使用电磁耦合元件确定地层参数
    • US08129993B2
    • 2012-03-06
    • US11775435
    • 2007-07-10
    • Jian YangQiming LiJean Seydoux
    • Jian YangQiming LiJean Seydoux
    • G01V3/10
    • 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 θT with respect to a longitudinal axis of the tool and a receiver having a dipole moment at an angle θR 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 θT with respect to a longitudinal axis of the tool; a single receiver having a receiver dipole moment at an angle θR 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 角度和角度; T相对于工具的纵向轴线;以及接收器,其具有角度角度的偶极矩; R相对于工具的纵向轴线,发射器和接收器包括发射器 - 接收器对; 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,其设置在钻孔中,穿透地层,所述地层的至少一部分具有基本上平行的边界,所述工具包括单个发射器,所述单个发射器具有相对于所述工具的纵向轴线的角度θ的发射器偶极矩; 具有相对于工具的纵向轴线的角度为角度的接收器偶极矩的单个接收器; 和旋转位置指示器。
    • 9. 发明授权
    • Determining formation parameters using electromagnetic coupling components
    • 使用电磁耦合元件确定地层参数
    • US08841913B2
    • 2014-09-23
    • US13412942
    • 2012-03-06
    • Jian YangQiming LiJean Seydoux
    • Jian YangQiming LiJean Seydoux
    • G01V3/10G01V3/28
    • G01V3/28
    • A method and a downhole tool determine one or more parameters of a formation traversed by a borehole where at least a portion of the formation has substantially parallel boundaries. A tool is disposed in the borehole that includes a transmitter having a dipole moment at an angle θT with respect to a longitudinal axis of the tool, a receiver having a dipole moment at an angle θR with respect to the longitudinal axis of the tool and a rotational position indicator. The transmitter-receiver pair transmits an electromagnetic signal while rotating the tool, receives the electromagnetic signal to produce a measured signal, and determine(s) the formation parameters for the portion of the formation having substantially parallel boundaries based on the measured signal.
    • 方法和井下工具确定由钻孔穿过的地层的一个或多个参数,其中地层的至少一部分具有基本上平行的边界。 一种工具设置在钻孔中,该工具包括具有角度角度的偶极矩的发射器;相对于工具的纵向轴线的T;具有角度角度的偶极矩的接收器;相对于 工具和旋转位置指示器。 发射机 - 接收机对在旋转工具的同时传输电磁信号,接收电磁信号以产生测量信号,并且基于测量的信号确定具有基本上平行边界的地层部分的地层参数。