公开(公告)号：US09182509B2

公开(公告)日：2015-11-10

申请号：US13002682

申请日：2009-07-08

申请人： Reza Taherian ,  Jacques R. Tabanou ,  Eric Tabanou ,  Emmanuel Legendre

发明人： Reza Taherian ,  Jacques R. Tabanou ,  Emmanuel Legendre

IPC分类号： G01V1/28 ,  G01V1/48

CPC分类号： G01V1/282 ,  G01V1/48 ,  G01V2210/614

摘要： A surface seismic survey is generated or obtained from Earth's surface and is based on time in which acoustic waves are reflected to Earth's surface. One or more tools measure density and sonic velocity of a subsurface formation. An estimate of acoustic impedance is obtained from the density and the sonic velocity to generate a synthetic seismic survey. The synthetic seismic survey and the surface seismic survey are compared and/or correlated. The acoustic impedance can be iteratively estimated until the synthetic seismic survey matches the surface seismic survey. Matching the surface seismic survey with the synthetic seismic survey may ensure that the surface seismic survey may be calibrated in actual depth.

摘要翻译： 表面地震勘测是从地球表面产生或获得的，是基于声波反射到地球表面的时间。 一个或多个工具测量地下地层的密度和声速。 从密度和声速获得声阻抗的估计值以产生合成地震勘测。 合成地震勘测和地表地震勘测进行了比较和/或相关。 可以迭代地估计声阻抗，直到合成地震勘测符合地表地震勘测。 将地震勘测与合成地震勘测相结合可确保地表地震勘测可在实际深度进行校准。

公开(公告)号：US08958989B2

公开(公告)日：2015-02-17

申请号：US13266129

申请日：2010-06-25

申请人： Emmanuel Legendre ,  Thilo M. Brill ,  Richard A. Rosthal ,  Gerald N. Minerbo

发明人： Emmanuel Legendre ,  Thilo M. Brill ,  Richard A. Rosthal ,  Gerald N. Minerbo

IPC分类号： G01V1/40 ,  G01B7/06 ,  E21B47/08 ,  G01N27/90

CPC分类号： G01N27/902 ,  E21B47/082 ,  E21B49/003 ,  G01B7/10 ,  G01N27/9046 ,  G01N27/9073 ,  G01N27/9086

摘要： The apparatus employs the remote field eddy-current (RFEC) inspection technique to electromagnetically measure physical parameters of a metallic pipe. RFEC devices inserted into and displaced along a cylindrical pipes may be used to measure the ratio of pipe thickness to electromagnetic skin-depth and thus allow for the non-invasive detection of flaws or metal loss. Typically these RFEC thickness measurements exhibit a so-called double-indication of flaws, an undesired artifact due to a double-peaked geometrical sensitivity function of the device. The method describes a means by which this double indication artifact may be removed by an appropriate processing of RFEC measurements performed by an apparatus specifically designed for this purpose. The invention is particularly well designed for applications in the oilfield industry.

摘要翻译： 该装置采用远场涡流（RFEC）检测技术，电磁测量金属管道的物理参数。 可以使用沿圆柱形管插入和移位的RFEC装置来测量管厚度与电磁皮肤深度的比率，从而允许非侵入性检测缺陷或金属损失。 通常，这些RFEC厚度测量表现出所谓的缺陷双重指示，这是由于器件的双峰几何灵敏度功能引起的不期望的伪像。 该方法描述了通过由专门设计用于该目的的设备执行的RFEC测量的适当处理可以去除该双指示伪像的手段。 本发明特别适用于油田工业的应用。

公开(公告)号：US08884623B2

公开(公告)日：2014-11-11

申请号：US13260561

申请日：2010-03-25

申请人： Barbara Anderson ,  Thomas D. Barber ,  Emmanuel Legendre ,  Martin G. Luling ,  Pabitra N. Sen ,  Reza Taherian

发明人： Barbara Anderson ,  Thomas D. Barber ,  Emmanuel Legendre ,  Martin G. Luling ,  Pabitra N. Sen ,  Reza Taherian

IPC分类号： G01V3/12 ,  G01V3/38

CPC分类号： G01V3/38 ,  C08K5/01 ,  C08K7/26 ,  C08L53/02 ,  G01V3/30

摘要： A method for determining the frequency-dependent dielectric permittivity spectrum of a rock sample, comprising:—defining a series of electromagnetic measurement data comprising at least a first measurement at a frequency from which a substantially frequency-independent value of dielectric permittivity ∈∞, can be obtained; and at least second and third measurements at different frequencies from which values for frequency-dependent dielectric permittivity ∈rock (f) can be obtained; and—using the first, second and third measurements to determine the frequency-dependent spectrum of the sample.

摘要翻译： 一种用于确定岩石样品的频率相关介电常数谱的方法，包括： - 定义一系列电磁测量数据，所述电磁测量数据包括至少第一测量，频率基本上与频率无关的介电常数ε∞的频率可以 获得; 并且可以获得不同频率的至少第二和第三测量值，从中可以获得频率相关介电常数εrock（f）的值; 并使用第一，第二和第三测量来确定样品的频率依赖光谱。

公开(公告)号：US07755361B2

公开(公告)日：2010-07-13

申请号：US11952302

申请日：2007-12-07

申请人： Jean Seydoux ,  Emmanuel Legendre ,  Reza Taherian

发明人： Jean Seydoux ,  Emmanuel Legendre ,  Reza Taherian

IPC分类号： G01V3/00

CPC分类号： G01V3/28

摘要： A modular downhole apparatus to determine a formation property, the apparatus being incorporated into a drill string comprising one or more downhole tools and drill pipe, the drill pipe being of the same or various lengths, the modular downhole apparatus comprising a first module having one or more antennas, wherein the first module has connectors on both ends adapted to connect with the drill string; and a second module having one or more antennas, wherein the second module has connectors on both ends adapted to connect with the drill string; wherein the first module and the second module are spaced apart on the drill string; and wherein one or more of the one or more antennas of one or both of the modules has a dipole moment that is tilted or transverse.

摘要翻译： 一种用于确定地层特性的模块化井下装置，该装置被结合到钻柱中，钻柱包括一个或多个井下工具和钻杆，钻杆具有相同或不同长度，该模块化井下装置包括第一模块， 更多的天线，其中第一模块在两端具有适于与钻柱连接的连接器; 以及具有一个或多个天线的第二模块，其中所述第二模块在两端具有适于与所述钻柱连接的连接器; 其中所述第一模块和所述第二模块在所述钻柱上间隔开; 并且其中所述模块中的一个或两个的所述一个或多个天线中的一个或多个天线具有倾斜或横向的偶极矩。

公开(公告)号：US07656160B2

公开(公告)日：2010-02-02

申请号：US11610653

申请日：2006-12-14

申请人： Emmanuel Legendre ,  Jean Seydoux ,  Reza Taherian ,  Jian Yang ,  Qiming Li

发明人： Emmanuel Legendre ,  Jean Seydoux ,  Reza Taherian ,  Jian Yang ,  Qiming Li

IPC分类号： G01V3/18

CPC分类号： G01V3/28

摘要： A system and method to determine earth formation properties by positioning a logging tool within a wellbore in the earth formation, the logging tool having a tool rotation axis and a first, a second, and a third tilted transmitter coil, and a tilted receiver coil; rotating the logging tool about the tool rotation axis; energizing each transmitter coil; measuring a coupling signal between each transmitter coil and the receiver coil for a plurality of angles of rotation; determining a coupling tensor; and determining the earth formation properties using the coupling tensor.

摘要翻译： 一种用于通过将测井工具放置在地层中的井筒内，测井工具具有工具旋转轴和第一，第二和第三倾斜发射器线圈以及倾斜的接收器线圈来确定地球形成特性的系统和方法; 围绕刀具旋转轴旋转测井工具; 为每个发射器线圈通电; 测量多个旋转角度的每个发射器线圈和接收器线圈之间的耦合信号; 确定耦合张量; 并使用耦合张量来确定地层的形成特性。

公开(公告)号：US09000873B2

公开(公告)日：2015-04-07

申请号：US13699737

申请日：2011-07-01

申请人： Benoit Deville ,  Yann Dufour ,  Philippe F. Salamitou ,  Jean-Luc Garcia ,  Emmanuel Legendre ,  Eric Grandgirard ,  Nicolas Renoux

发明人： Benoit Deville ,  Yann Dufour ,  Philippe F. Salamitou ,  Jean-Luc Garcia ,  Emmanuel Legendre ,  Eric Grandgirard ,  Nicolas Renoux

IPC分类号： H01F27/02 ,  E21B17/02 ,  E21B47/01 ,  E21B47/12 ,  H01F38/14

CPC分类号： E21B17/023 ,  E21B17/028 ,  E21B47/011 ,  E21B47/122 ,  H01F38/14

摘要： Inductive couplers for use in a downhole environment are described. An example inductive coupler for use in a downhole environment includes a body defining a cavity and magnetic material positioned in the cavity. The example inductive coupler also includes a coil adjacent the magnetic material, the coil formed with a number of turns of wire, and a first metal cover coupled to the body to enclose the cavity. The metal cover being electrically coupled to the body to form a substantially contiguous electrically conductive surface surrounding the cavity.

摘要翻译： 描述在井下环境中使用的感应耦合器。 用于井下环境的示例感应耦合器包括限定空腔的主体和位于空腔中的磁性材料。 示例性电感耦合器还包括与磁性材料相邻的线圈，线圈形成有多个线圈，以及联接到主体以封闭空腔的第一金属盖。 金属盖电耦合到主体以形成围绕空腔的基本相邻的导电表面。

公开(公告)号：US08736270B2

公开(公告)日：2014-05-27

申请号：US12674366

申请日：2008-08-22

申请人： Jean Seydoux ,  Emmanuel Legendre ,  Reza Taherian

发明人： Jean Seydoux ,  Emmanuel Legendre ,  Reza Taherian

IPC分类号： G01V3/00

CPC分类号： G01V3/26 ,  E21B1/00 ,  G01N1/00 ,  G01V3/28 ,  G01V2200/00

摘要： A technique utilizes the acquisition of data from desired subterranean regions via a logging system. The logging system is constructed for use in a wellbore and comprises a transmitter module having a transmitter antenna. Additionally, the logging system utilizes a receiver module spaced from the transmitter module and having a receiver antenna. The transmitter antenna and the receiver antenna are oriented to enable sensitivity in desired directions, such as ahead of the logging system.

摘要翻译： 一种技术利用通过测井系统从期望的地下区域采集数据。 记录系统被构造用于在井筒中使用，并且包括具有发射机天线的发射机模块。 此外，测井系统利用与发射器模块间隔开并具有接收器天线的接收器模块。 发射机天线和接收机天线被定向成使得能够在所需方向上的灵敏度，例如在测井系统之前。

公开(公告)号：US08633702B2

公开(公告)日：2014-01-21

申请号：US13523867

申请日：2012-06-14

申请人： Richard Bloemenkamp ,  Emmanuel Legendre ,  Alain Dumont

发明人： Richard Bloemenkamp ,  Emmanuel Legendre ,  Alain Dumont

IPC分类号： G01V3/20

CPC分类号： G01V3/24

摘要： An apparatus for making a resistivity measurement of an underground formation surrounding a borehole is provided. The apparatus includes a conductive tool body, at least one current injector electrode positioned between the tool body and a wall of the bore hole, at least one current return electrode positioned between the tool body and the wall of the bore hole, an electrical measurement device configured to monitor a voltage or a current signal indicative of an impedance imbalance, a regulator connected to the electrical measurement device, whereby the regulator is configured to receive the voltage or the current signal indicative of the impedance imbalance and is configured to generate an adjustment signal based on the voltage or the current signal indicative of the impedance imbalance.

摘要翻译： 提供了一种用于对围绕钻孔的地下地层进行电阻率测量的装置。 该装置包括导电工具主体，至少一个电流注入器电极，位于工具主体和钻孔的壁之间，至少一个电流返回电极，位于工具主体和钻孔的壁之间;电测量装置 被配置为监视指示阻抗不平衡的电压或电流信号，连接到所述电测量装置的调节器，由此所述调节器被配置为接收指示所述阻抗不平衡的电压或电流信号，并且被配置为产生调整信号 基于表示阻抗不平衡的电压或电流信号。

公开(公告)号：US08466683B2

公开(公告)日：2013-06-18

申请号：US12639123

申请日：2009-12-16

申请人： Emmanuel Legendre ,  Jean Seydoux ,  Reza Taherian ,  Jian Yang ,  Qiming Li

发明人： Emmanuel Legendre ,  Jean Seydoux ,  Reza Taherian ,  Jian Yang ,  Qiming Li

IPC分类号： G01V3/18

CPC分类号： G01V3/28

摘要： A system and method to determine earth formation properties by positioning a logging tool within a wellbore in the earth formation, the logging tool having a tool rotation axis and a first, a second, and a third tilted transmitter coil, and a tilted receiver coil; rotating the logging tool about the tool rotation axis; energizing each transmitter coil; measuring a coupling signal between each transmitter coil and the receiver coil for a plurality of angles of rotation; determining a coupling tensor; and determining the earth formation properties using the coupling tensor.

摘要翻译： 一种用于通过将测井工具放置在地层中的井筒内，测井工具具有工具旋转轴和第一，第二和第三倾斜发射器线圈以及倾斜的接收器线圈来确定地球形成特性的系统和方法; 围绕刀具旋转轴旋转测井工具; 为每个发射器线圈通电; 测量多个旋转角度的每个发射器线圈和接收器线圈之间的耦合信号; 确定耦合张量; 并使用耦合张量来确定地层的形成特性。

公开(公告)号：US20100017137A1

公开(公告)日：2010-01-21

申请号：US11912488

申请日：2006-04-05

申请人： Emmanuel Legendre ,  Thilo M. Brill

发明人： Emmanuel Legendre ,  Thilo M. Brill

IPC分类号： E21B47/08

CPC分类号： E21B47/082 ,  G01B7/13 ,  G01N27/9046

摘要： The method electromagnetically measures a pipe inner diameter ID and a pipe ratio of magnetic permeability to electrical conductivity μ2/σ2 by means of a measuring arrangement 1 comprising a transmitter coil 2 and a receiver coil 3, both coils being coaxial to and longitudinally spaced from each other, the measuring arrangement 1 being adapted to be positioned into the pipe CS and displaced through the pipe. The method comprises the steps of: a1) exciting the transmitter coil 2 by means of a transmitter current Ii, the transmitter current having a first excitation frequency f1, a2) measuring a receiver voltage Vi at the receiver coil 3, a3) determining a transimpedance Vi/Ii between the transmitter coil 2 and the receiver coil 3 based on the transmitter current Ii and the receiver voltage Vi, and determining a measurement ratio Mi based on said transimpedance, b) repeating the excitation step a1), the measuring step a2), the transimpedance and the measurement ratio determination step a3) for at least a second excitation frequency f2 so as to define a measurement ratio vector [M1, M2, . . . Mn], c) calculating a prediction function vector [G1, G2, . . . Gn] based on the first and at least the second excitation frequency, a plurality of potential pipe ratio of magnetic permeability to electrical conductivity and a plurality of potential pipe inner diameter ID, and d) applying a minimizing algorithm onto the measurement ratio vector [M1, M2, . . . Mn] and the prediction function vector [G1, G2, . . . Gn] and determining the pipe inner diameter and the pipe ratio of magnetic permeability to electrical conductivity corresponding to a maximum solution of the algorithm.

摘要翻译： 该方法通过包括发射器线圈2和接收器线圈3的测量装置1电磁地测量管内径ID和磁导率与导电率μ2/ sigma2的管比，两个线圈与每个线圈同轴并且纵向间隔开 另一方面，测量装置1适于定位在管CS中并且通过管移动。 该方法包括以下步骤：a1）通过发射机电流Ii激励发射机线圈2，发射机电流具有测量接收机线圈3处接收机电压Vi的第一激励频率f1，a2）a3）确定跨阻抗 基于发射器电流Ii和接收器电压Vi，发射器线圈2和接收器线圈3之间的Vi / Ii，以及基于所述跨阻抗确定测量比率Mi，b）重复激励步骤a1），测量步骤a2） ，跨阻抗和测量比率确定步骤a3），以便至少定义第二激励频率f2，以便确定测量比矢量[M1，M2，...。 。 。 Mn]，c）计算预测函数向量[G1，G2，... 。 。 Gn]，并且d）将最小化算法应用于测量比矢量[M1 ，M2。 。 。 Mn]和预测函数向量[G1，G2，... 。 。 Gn]，并确定管内径和磁导率与电导率的管比相应于算法的最大解。