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    Phase-based electromagnetic surveys for geological formations
    3.
    发明授权
    Phase-based electromagnetic surveys for geological formations 有权

    公开(公告)号：US11150375B2

    公开(公告)日：2021-10-19

    申请号：US13742923

    申请日：2013-01-16

    申请人： Schlumberger Technology Corporation

    发明人： Ping Zhang ,  Nestor Cuevas ,  Michael Wilt ,  Jiuping Chen

    IPC分类号： G01V3/30

    摘要： An electromagnetic (EM) data acquisition method for a geological formation may include operating EM measurement devices to determine phase and amplitude data from the geological formation. The EM measurement devices may include at least one first EM measurement device within a borehole in the geological formation, and at least one second EM measurement device at a surface of the geological formation. The method may further include processing the phase data independent from the amplitude data to generate a geological constituent map of the geological formation, and identifying different geological constituents in the geological constituent map based upon the measured amplitude data.

    Method And Apparatus To Generate A Crosswell Data Set
    7.
    发明申请
    Method And Apparatus To Generate A Crosswell Data Set 审中-公开
    产生Crosswell数据集的方法和装置

    公开(公告)号：US20150177413A1

    公开(公告)日：2015-06-25

    申请号：US14223927

    申请日：2014-03-24

    申请人： Schlumberger Technology Corporation

    发明人： Michael Wilt ,  Ping Zhang ,  Nestor Cuevas ,  Jiuping Chen

    IPC分类号： G01V99/00 ,  G01V3/08 ,  G01V3/30

    CPC分类号： G01V3/30

    摘要： Systems, methods, and apparatuses to generate a crosswell data set are described. In certain aspects, a method includes producing a first electromagnetic field at the earth's surface with a transmitter at a first location, detecting in a first borehole a first field signal induced by the first electromagnetic field, detecting in a second borehole a second field signal induced by the first electromagnetic field, and generating a crosswell data set from the first field signal and the second field signal. A formation model may be created from the crosswell data set.

    摘要翻译： 描述了用于生成井间数据集的系统，方法和装置。 在某些方面，一种方法包括在第一位置处用发射机在地球表面产生第一电磁场，在第一钻孔中检测由第一电磁场引起的第一场信号，在第二钻孔中检测第二场信号 通过第一电磁场，并且从第一场信号和第二场信号产生井间数据集。 可以从井间数据集创建地层模型。

    DETERMINING PROPPANT AND FLUID DISTRIBUTION
    8.
    发明申请
    DETERMINING PROPPANT AND FLUID DISTRIBUTION 审中-公开
    确定专利和流体分布

    公开(公告)号：US20150083404A1

    公开(公告)日：2015-03-26

    申请号：US14494313

    申请日：2014-09-23

    申请人： SCHLUMBERGER TECHNOLOGY CORPORATION

    发明人： Michael Wilt ,  Nestor Cuevas ,  Lindsey Heagy

    IPC分类号： G01V3/30 ,  E21B49/00

    CPC分类号： G01V3/30 ,  E21B47/0905

    摘要： A method may include modeling a bulk electromagnetic (EM) characteristic of a composite material including a fracturing fluid, a proppant, and a sensing additive. The method may further include generating a modeled propped fracture pattern for a subterranean formation having the composite material injected therein, and generating a three dimensional (3D) arrangement of cells based upon the bulk EM characteristic and the modeled propped fracture pattern using an effective medium theory (EMT) model, with each cell having a modeled localized EM characteristic associated therewith. The method may also include injecting the composite material into the subterranean formation to cause an actual propped fracture pattern, collecting EM data based upon the sensing additive within the actual propped fracture pattern, and determining a respective actual EM characteristic for each cell based upon the modeled localized EM characteristics and the collected EM data.

    摘要翻译： 一种方法可以包括对包括压裂液，支撑剂和感测添加剂的复合材料的体电磁（EM）特性进行建模。 该方法可以进一步包括产生用于其中注入复合材料的地下地层的建模支撑断裂模式，并且使用有效介质理论基于体积EM特性和模型支撑断裂模式产生三维（3D）的单元布置 （EMT）模型，其中每个单元具有与其相关联的模拟的局部EM特性。 该方法还可以包括将复合材料注入到地层中以引起实际支撑的断裂模式，基于在实际支撑的断裂模式内的感测添加剂收集EM数据，以及基于模型化的每个单元确定相应的实际EM特性 局部EM特征和收集的EM数据。

    Method and apparatus to generate a crosswell data set
    9.
    发明授权
    Method and apparatus to generate a crosswell data set 有权

    公开(公告)号：US10209388B2

    公开(公告)日：2019-02-19

    申请号：US14223927

    申请日：2014-03-24

    申请人： Schlumberger Technology Corporation

    发明人： Michael Wilt ,  Ping Zhang ,  Nestor Cuevas ,  Jiuping Chen

    IPC分类号： G01V3/30

    摘要： Systems, methods, and apparatuses to generate a crosswell data set are described. In certain aspects, a method includes producing a first electromagnetic field at the earth's surface with a transmitter at a first location, detecting in a first borehole a first field signal induced by the first electromagnetic field, detecting in a second borehole a second field signal induced by the first electromagnetic field, and generating a crosswell data set from the first field signal and the second field signal. A formation model may be created from the crosswell data set.

    Hybrid Electric and Magnetic Surface to Borehole and Borehole to Surface Method
    10.
    发明申请
    Hybrid Electric and Magnetic Surface to Borehole and Borehole to Surface Method 审中-公开

    公开(公告)号：US20170146681A1

    公开(公告)日：2017-05-25

    申请号：US14951920

    申请日：2015-11-25

    申请人： Schlumberger Technology Corporation

    发明人： Nestor Cuevas ,  Michael Wilt ,  Ping Zhang ,  Jiuping Chen

    IPC分类号： G01V3/38 ,  G01V3/26

    CPC分类号： G01V3/30

    摘要： In one embodiment, a method includes receiving one or more datasets including measured vertical electric and magnetic fields excited by one or more radial and azimuthal electric field antennas from a downtool into one or more processors, wherein each of the one or more datasets corresponds to a different position of the one or more radial azimuthal electric field antennas, simultaneously inverting the one or more datasets using the one or more processors, and as a result of the simultaneous inversion, generating by the one or more processors a three-dimensional (3D) image of a portion of the geological formation.