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1. 发明授权

US07124029B2 Method for evaluating formation properties 有权
标题翻译：评估地层性质的方法
公开(公告)号：US07124029B2
公开(公告)日：2006-10-17
申请号：US10381833
申请日：2001-09-28
申请人： Laurent Jammes , Ollivier Faivre , Emmanuel Legendre , Pascal Rothnemer , Jean-Claude Trouiller , Maria Teresa Galli , Mauro Gonfalini , Patrizio Gossenberg
发明人： Laurent Jammes , Ollivier Faivre , Emmanuel Legendre , Pascal Rothnemer , Jean-Claude Trouiller , Maria Teresa Galli , Mauro Gonfalini , Patrizio Gossenberg
IPC分类号： G01V3/18
CPC分类号： G01V3/38
摘要： Methods for evaluating the properties of formations surrounding a borehole, include the steps of measuring electrical properties of the formation from within the borehole; deriving a model of parameters of the formation surrounding the borehole; and estimating the properties of the formation using the model to interpret the measured electrical properties. In one aspect of the invention in which the formation includes a series of distributed beds, each bed having specific properties. Another aspect includes grouping similar beds, assigning one or more properties to all of the beds in a group, and using the assigned properties to estimate the properties of the formation for measurements relating to the beds of that group. Another aspect includes making several different measurements of formation electrical properties and simultaneously estimating the formation properties from the different measurements to provide a joint inversion. A still further aspect includes the use of a complex model incorporating electrical properties with other petrophysical information to estimate the properties of the formation from the electrical measurements.
摘要翻译：评估围绕钻孔的地层性质的方法包括从钻孔内测量地层的电性能的步骤; 得出围绕钻孔的地层参数模型; 并使用该模型估计地层的性质来解释所测量的电性能。在本发明的一个方面，其中地层包括一系列分布的床，每个床具有特定的性质。另一方面包括分组相似的床，将一个或多个属性分配给一组中的所有床，以及使用所分配的属性来估计与该组的床相关的测量的地层的属性。另一方面包括对地层电性能进行几个不同的测量，并同时从不同的测量估计地层特性以提供联合反演。另一方面包括使用将电性质与其他岩石物理信息相结合的复杂模型从电测量估计地层的性质。

2. 发明申请

US20050165553A1 Method for evaluating formation properties 有权
标题翻译：评估地层性质的方法
公开(公告)号：US20050165553A1
公开(公告)日：2005-07-28
申请号：US10381833
申请日：2001-09-28
申请人： Laurent Jammes , Ollivier Faivre , Emmanuel Legendre , Pascal Rothnemer , Jean-Claude Trouiller , Maria Teresa Galli , Mauro Gonfalini , Patrizio Gossenberg
发明人： Laurent Jammes , Ollivier Faivre , Emmanuel Legendre , Pascal Rothnemer , Jean-Claude Trouiller , Maria Teresa Galli , Mauro Gonfalini , Patrizio Gossenberg
IPC分类号： G01V3/38 , G06F19/00
CPC分类号： G01V3/38
摘要： Methods for evaluating the properties of formations surrounding a borehole, include the steps of measuring electrical properties of the formation from within the borehole; deriving a model of parameters of the formation surrounding the borehole; and estimating the properties of the formation using the model to interpret the measured electrical properties. In one aspect of the invention in which the formation includes a series of distributed beds, each bed having specific properties. Another aspect includes grouping similar beds, assigning one or more properties to all of the beds in a group, and using the assigned properties to estimate the properties of the formation for measurements relating to the beds of that group. Another aspect includes making several different measurements of formation electrical properties and simultaneously estimating the formation properties from the different measurements to provide a joint inversion. A still further aspect includes the use of a complex model incorporating electrical properties with other petrophysical information to estimate the properties of the formation from the electrical measurements.
摘要翻译：评估围绕钻孔的地层性质的方法包括从钻孔内测量地层的电性能的步骤; 得出围绕钻孔的地层参数模型; 并使用该模型估计地层的性质来解释所测量的电性能。在本发明的一个方面，其中地层包括一系列分布的床，每个床具有特定的性质。另一方面包括分组相似的床，将一个或多个属性分配给一组中的所有床，以及使用所分配的属性来估计与该组的床相关的测量的地层的属性。另一方面包括对地层电性能进行几个不同的测量，并同时从不同的测量估计地层特性以提供联合反演。另一方面包括使用将电性质与其他岩石物理信息相结合的复杂模型从电测量估计地层的性质。

3. 发明授权

US09182509B2 System and method for generating true depth seismic surveys 有权
标题翻译：用于生成真实深度地震勘测的系统和方法
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。

4. 发明授权

US08958989B2 Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes 有权
标题翻译：管道远程涡流检测缺陷双重指示的方法和装置
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。

5. 发明授权

US08884623B2 Methods for determining dielectric permittivity spectrum of underground rock formations 有权
标题翻译：确定地下岩层介电常数谱的方法
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。

6. 发明授权

US07755361B2 Apparatus and system for well placement and reservoir characterization 有权
标题翻译：井放置和储层特征的装置和系统
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。

7. 发明授权

US07656160B2 Determining properties of earth formations using the electromagnetic coupling tensor 有权
标题翻译：使用电磁耦合张量确定地层的性质
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。

8. 发明申请

US20060233048A1 Multimode acoustic imaging in cased wells 有权
公开(公告)号：US20060233048A1
公开(公告)日：2006-10-19
申请号：US10566934
申请日：2004-08-02
申请人： Benoit Froelich , Jean-Luc Le Calvez , Emmanuel Legendre , Smaine Zeroug
发明人： Benoit Froelich , Jean-Luc Le Calvez , Emmanuel Legendre , Smaine Zeroug
IPC分类号： G01V1/40
CPC分类号： G01V1/50 , E21B47/0005
摘要： A well casing is insonified with a first acoustic wave in a first mode that may be any mode of a set including: extensional mode, thickness mode, flexural mode. A first echo is received at a first acoustic transducer for receiving, a first signal is produced and a first measurement is extracted from the first signal. The casing is then insonified with a second acoustic wave in a second mode that may be any mode of the set of modes but is distinct from the first mode. A second echo is received at a selected second acoustic transducer for receiving and a second signal is produced. A second measurement is extracted from the second signal. The zone behind the casing of the well is evaluated from a combination of the first measurement and the second measurement.

9. 发明授权

US10371781B2 Gain-corrected measurements 有权
公开(公告)号：US10371781B2
公开(公告)日：2019-08-06
申请号：US13695216
申请日：2011-04-27
申请人： Dean M. Homan , Emmanuel Legendre , Reza Taherian , Jean Seydoux , Eunmi Choi , Gerald N. Minerbo , Sergiy Kryukov , Robert C. Smith
发明人： Dean M. Homan , Emmanuel Legendre , Reza Taherian , Jean Seydoux , Eunmi Choi , Gerald N. Minerbo , Sergiy Kryukov , Robert C. Smith
IPC分类号： G01V3/18 , G06F15/00 , G01R35/00 , G01V3/28 , G21F3/00
摘要： A method to obtain gain-corrected measurements. A measurement tool having one or more arrays is provided, wherein the arrays include two co-located triaxial transmitters and two co-located triaxial receivers. Measurements are obtained using the transmitters and the receivers. Impedance matrices are formed from the obtained measurements and the impedance matrices are combined to provide gain-corrected measurements. The apparatus may alternatively be a while-drilling logging tool having one or more arrays, wherein each array comprises a transmitter, a receiver, and a buck, and wherein the signal received by the receiver is subtracted from the signal received by the buck or vice versa. A slotted shield may be incorporated into either embodiment of the tool. The slots may form one or more island elements. A material is disposed in the slots. The islands and shield body have complementary tapered sides that confine the islands within the shield body.

10. 发明申请

US20130191028A1 GAIN-CORRECTED MEASUREMENTS 审中-公开
标题翻译：增益测量
公开(公告)号：US20130191028A1
公开(公告)日：2013-07-25
申请号：US13695216
申请日：2011-04-27
申请人： Dean M. Homan , Emmanuel Legendre , Reza Taherian , Jean Seydoux , Eunmi Choi , Gerald N. Minerbo , Sergiy Kryukov , Robert C. Smith
发明人： Dean M. Homan , Emmanuel Legendre , Reza Taherian , Jean Seydoux , Eunmi Choi , Gerald N. Minerbo , Sergiy Kryukov , Robert C. Smith
IPC分类号： G01R35/00 , G06F15/00 , G21F3/00 , G01V3/18
CPC分类号： G01R35/005 , G01V3/18 , G01V3/28 , G06F15/00 , G21F3/00
摘要： A method to obtain gain-corrected measurements. A measurement tool having one or more arrays is provided, wherein the arrays include two co-located triaxial transmitters and two co-located triaxial receivers. Measurements are obtained using the transmitters and the receivers. Impedance matrices are formed from the obtained measurements and the impedance matrices are combined to provide gain-corrected measurements. The apparatus may alternatively be a while-drilling logging tool having one or more arrays, wherein each array comprises a transmitter, a receiver, and a buck, and wherein the signal received by the receiver is subtracted from the signal received by the buck or vice versa. A slotted shield may be incorporated into either embodiment of the tool. The slots may form one or more island elements. A material is disposed in the slots. The islands and shield body have complementary tapered sides that confine the islands within the shield body.
摘要翻译：获得增益校正测量的方法。提供了具有一个或多个阵列的测量工具，其中阵列包括两个共同定位的三轴发射器和两个共同定位的三轴接收器。使用发射机和接收机获得测量结果。阻抗矩阵由所获得的测量形成，并且阻抗矩阵被组合以提供增益校正的测量。该装置可替代地是具有一个或多个阵列的同时钻井测井工具，其中每个阵列包括发射器，接收器和降压器，并且其中由接收器接收的信号从由降压器或副部件接收的信号中减去反之亦然。开槽的护罩可以并入工具的任一实施例中。槽可以形成一个或多个岛元件。材料设置在槽中。岛屿和盾体具有互补的锥形边，将岛屿限制在盾体内。

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