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1. 发明申请

WO2010090660A1 AREAL MONITORING USING DISTRIBUTED ACOUSTIC SENSING 审中-公开
标题翻译：使用分布式声学感测进行AREAL监测
公开(公告)号：WO2010090660A1
公开(公告)日：2010-08-12
申请号：PCT/US2009/060767
申请日：2009-10-15
申请人： SHELL OIL COMPANY , SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , LOPEZ, Jorge Louis , WILLS, Peter Berkeley
发明人： LOPEZ, Jorge Louis , WILLS, Peter Berkeley
IPC分类号： G01V1/28 , G01V1/22 , G01V1/16
CPC分类号： G01V8/16 , E21B47/102
摘要： A method for obtaining seismic information about a subsurface formation using at least one fiber optic cable having its proximal end coupled to a light source and a photodetector comprises: transmitting into the cable at least one light pulse; receiving at the photodetector a first and second light signals indicative of the physical status of at least one first cable section and at least one second cable section, respectively, wherein the first and second sections are selected so as to provide first and second information items, respectively; optionally, further processing at least one of the first and second information items so as to produce derivative information; and outputting at least one of the first, second, and derivative information items to a display; wherein the second item differs from the first item in at least one aspect selected from the group consisting of: resolution, area, and location.
摘要翻译：一种用于使用至少一根光纤电缆获得关于地下地层的地震信息的方法，所述至少一根光缆具有耦合到光源的近端和光电检测器，包括：将至少一个光脉冲传输到所述电缆; 在光电检测器处接收分别指示至少一个第一电缆部分和至少一个第二电缆部分的物理状态的第一和第二光信号，其中选择第一和第二部分以便提供第一和第二信息项，分别; 可选地，进一步处理第一和第二信息项中的至少一个，以产生导数信息; 并将第一，第二和导出信息项中的至少一个输出到显示器; 其中所述第二项目与至少一个方面中的所述第一项目不同，所述方面从由以下组成的组中选择：分辨率，面积和位置。

2. 发明申请

WO2013101518A1 SUPPRESSING 4D-NOISE BY WEIGHTED STACKING OF SIMULTANEOUSLY ACQUIRED WAVE-FIELDS 审中-公开
标题翻译：通过加权堆叠同时获取的波场来抑制4D噪声
公开(公告)号：WO2013101518A1
公开(公告)日：2013-07-04
申请号：PCT/US2012/070079
申请日：2012-12-17
申请人： SHELL OIL COMPANY , SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人： HATCHELL, Paul James , LOPEZ, Jorge Louis , HORNMAN, Kees
IPC分类号： G01V1/28 , G06F19/00 , G06T17/05
CPC分类号： G01V1/345 , G01V1/308 , G01V2210/32 , G01V2210/612 , G01V2210/6122 , G01V2210/74
摘要： A method for generating an image of a subsurface feature, comprises providing seismic data containing information about the feature, comprising i) a first dataset comprising a first up-going wave-field and a first down-going wave-field, ii) a second dataset comprising a second up-going wave-field and a second down-going wave-field, wherein the second dataset is collected at a time that is later than the first dataset by a time interval, creating an up-going 4D difference dataset U by subtracting one of the first and second up-going wave-fields from the other and creating a down-going 4D difference dataset D by subtracting one of the first and second down-going wave-fields from the other, creating a weighting function W that is a function of the similarity of the difference datasets, and creating an image of the feature by generating a 4D similarity stack, where the 4D similarity stack is defined as (U+D)*W/2.
摘要翻译：一种用于产生地下特征的图像的方法，包括提供包含关于所述特征的信息的地震数据，所述地震数据包括i）包括第一上行波场和第一下行波场的第一数据集，ii）第二数据集，其包括第二上行波场和第二下行波场，其中所述第二数据集在比所述第一数据集晚的时间以时间间隔被收集，从而创建一个前进的4D差分数据集U 通过从另一个中减去第一和第二前进波场中的一个并通过从另一个减去第一和第二下行波场中的一个来创建下行4D差分数据集D.创建加权函数W 这是差分数据集的相似度的函数，并且通过生成4D相似性堆栈来创建特征的图像，其中4D相似性堆栈被定义为（U + D）* W / 2。

3. 发明申请

WO2013019529A2 METHOD FOR INCREASING BROADSIDE SENSITIVITY IN SEISMIC SENSING SYSTEM 审中-公开
标题翻译：提高地震检测系统宽度灵敏度的方法
公开(公告)号：WO2013019529A2
公开(公告)日：2013-02-07
申请号：PCT/US2012/048239
申请日：2012-07-26
申请人： SHELL OIL COMPANY , SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , WILLS, Peter Berkeley , COSTELLO, Michael Scott , LOPEZ, Jorge Louis , MEHTA, Kurang Jvalant
发明人： WILLS, Peter Berkeley , COSTELLO, Michael Scott , LOPEZ, Jorge Louis , MEHTA, Kurang Jvalant
IPC分类号： G01V1/28 , G01V1/40 , G06F19/00
CPC分类号： G01V1/28 , G01V1/284 , G01V1/42 , G01V2210/51
摘要： A method for collecting information about a subsurface region, comprises a) providing a set of data comprising a plurality of scattered signals, where each scattered signal is a portion of an acoustic seismic signal that has been scattered by and at least one scatterer and received at a receiver, b) using spatial deconvolution to process the scattered signals so as generate a coherent arrival, and c) using the coherent arrival to output human readable information about the subsurface region. The receiver may be a geophone or a fiber optic distributed acoustic sensor and may be in a borehole or at the surface. The acoustic seismic signal may originate at the surface or below the surface and may be an active or passive source.
摘要翻译：用于收集关于地下区域的信息的方法包括a）提供包括多个散射信号的一组数据，其中每个散射信号是已经被散射的声学地震信号的一部分和至少一个散射体并在接收机处接收，b）使用空间反卷积处理散射信号以产生相干到达，以及c）使用相干到达输出关于地下区域的人类可读信息。接收器可以是地震检波器或光纤分布式声学传感器，并且可以在钻孔中或在地面上。声波地震信号可能源自地表或地表以下，可能是主动或被动源。

4. 发明申请

WO2012173924A2 HYDRAULIC FRACTURE MONITORING USING ACTIVE SEISMIC SOURCES WITH RECEIVERS IN THE TREATMENT WELL 审中-公开
标题翻译：使用活动地震源与治疗井中接收者进行液压破碎监测
公开(公告)号：WO2012173924A2
公开(公告)日：2012-12-20
申请号：PCT/US2012/041880
申请日：2012-06-11
申请人： SHELL OIL COMPANY , SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , WILLS, Peter Berkeley , GRANDI KARAM, Samantha , MESTAYER, Jeffery Joseph , UGUETO, Gustavo Antonio , LOPEZ, Jorge Louis
发明人： WILLS, Peter Berkeley , GRANDI KARAM, Samantha , MESTAYER, Jeffery Joseph , UGUETO, Gustavo Antonio , LOPEZ, Jorge Louis
CPC分类号： E21B47/14 , E21B43/26 , E21B47/02208 , E21B47/082 , E21B47/101 , G01V2210/6122 , G01V2210/646
摘要： A method for obtaining information about a hydraulic fracturing operation in a fracture zone in a well, comprises a) providing at least one acoustic sensor in the well and at least one acoustic source, b) injecting fracturing fluid into the well so as to cause fractures in a fracture zone in the surrounding formation, c) using the acoustic source to send an acoustic signal and using the acoustic receiver to receive the signal, d) repeating step c) at least once, and e) processing the received signals using a microprocessor so as to obtain information about the fractures. The source may be at the earth's surface or in a second well. Step e) may comprise measuring first-arriving acoustic waves or measuring reflected or diffracted acoustic waves. The information gained in step e) may be used to control the injection of fracturing fluid or detect out-of-zone water injection.
摘要翻译：一种用于获得关于井的断裂带中的水力压裂操作的信息的方法，包括：a）在所述井中提供至少一个声传感器和至少一个声源，b）将压裂流体注入所述井中以引起裂缝在周围地层的断裂带中，c）使用声源发送声学信号并使用声学接收器接收信号，d）重复步骤c）至少一次，以及e）使用微处理器处理所接收的信号以获得有关骨折的信息。源可以在地球表面或第二井中。步骤e）可以包括测量第一到达的声波或测量反射或衍射的声波。在步骤e）中获得的信息可用于控制压裂流体的注入或检测区域外的注水。

5. 发明申请

WO2013090544A1 DETECTING BROADSIDE ACOUSTIC SIGNALS WITH A FIBER OPTICAL DISTRIBUTED ACOUSTIC SENSING (DAS) ASSEMBLY 审中-公开
标题翻译：用光纤分布式声学感应（DAS）组件检测广播声音信号
公开(公告)号：WO2013090544A1
公开(公告)日：2013-06-20
申请号：PCT/US2012/069464
申请日：2012-12-13
申请人： SHELL OIL COMPANY , SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人： DEN BOER, Johannis Josephus , MATEEVA, Albena Alexandrova , PEARCE, Jeremiah Glen , MESTAYER, Jeffery Joseph , BIRCH, William , LOPEZ, Jorge Louis , HORNMAN, Kees , KUVSHINOV, Boris Nikolaevich
IPC分类号： G01S3/80
CPC分类号： G01H9/006 , G01H9/004 , G01V1/226 , G01V1/40
摘要： A distributed fiber optic acoustic sensing system comprises an elongate body having an outer surface, an optical fiber disposed on the outer surface at a first predetermined wrap angle, and light transmitting and receiving means optically connected to the fiber for. The elongate body may include at least one substantially flat face, and/or a layer of swellable elastomer surrounding the body, and/or an outer elastomeric tube surrounding the elastomer layer. There may be at least one sensor pad disposed in the outer layer, the sensor pad comprising a stiffener and at least one longitudinal fiber affixed thereto or embedded therein. There may be a body of protective material surrounding the tube, which may have an outer surface that includes at least one substantially flat face and at least one sensor pad disposed in the body.
摘要翻译：分布式光纤声学感测系统包括具有外表面的细长主体，以第一预定包角设置在外表面上的光纤，以及光纤连接到光纤的光发射和接收装置。细长主体可以包括至少一个基本平坦的表面，和/或围绕主体的可膨胀弹性体层，和/或围绕弹性体层的外部弹性体管。可以在外层中设置至少一个传感器垫，传感器垫包括加强件和至少一个固定到其上的纵向纤维或嵌入其中。可以存在围绕管的保护材料体，其可以具有包括至少一个基本上平坦的表面的外表面和设置在主体中的至少一个传感器垫。

6. 发明申请

WO2011163286A1 SIGNAL STACKING IN FIBER OPTIC DISTRIBUTED ACOUSTIC SENSING 审中-公开
标题翻译：光纤分布式声学感应信号堆叠
公开(公告)号：WO2011163286A1
公开(公告)日：2011-12-29
申请号：PCT/US2011/041324
申请日：2011-06-22
申请人： SHELL OIL COMPANY , SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , LOPEZ, Jorge Louis , POTTERS, Johannes Hubertus Hyacinthus Maria , WILLS, Peter Berkeley
发明人： LOPEZ, Jorge Louis , POTTERS, Johannes Hubertus Hyacinthus Maria , WILLS, Peter Berkeley
IPC分类号： G01J3/28
CPC分类号： G01V1/48 , G01V1/16
摘要： A method for obtaining information about a subsurface formation from acoustic signals that contain information about the subsurface formation, comprises a) transmitting an optical signal into a fiber optic cable (14) that includes a sensing apparatus (20) comprising a plurality of substantially parallel fiber lengths (24), b) collecting from the sensing apparatus a plurality of received optical signals, each received signal comprising a portion of the transmitted signal that has been reflected from a different segment of a cable length, wherein the different segments are each in different cable lengths and correspond to a single selected location along the sensing cable, and c) processing the collected signals so as to obtain information about an acoustic signal received at the different segments. The cable may be ribbon cable and the lateral distance between the different segments may be less than 10 meters.
摘要翻译：一种用于从包含关于地下地层信息的声信号获得关于地下地层的信息的方法，包括：a）将光信号传输到光纤电缆（14）中，所述光纤电缆包括感测装置（20），所述感测装置包括多个基本平行的光纤长度（24），b）从感测设备收集多个接收到的光信号，每个接收信号包括已经从电缆长度的不同段反射的发射信号的一部分，其中不同的段各自不同电缆长度并且对应于沿着感测电缆的单个选定位置，以及c）处理所收集的信号，以获得关于在不同段处接收的声信号的信息。电缆可能是带状电缆，不同部分之间的横向距离可能小于10米。

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