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公开(公告)号：US08558994B2
公开(公告)日：2013-10-15
申请号：US12958712
申请日：2010-12-02
CPC分类号： G01B9/0205 , G01B9/02057 , G01B2290/25 , G01D5/268 , G01K11/3206
摘要： An apparatus for estimating a property, the apparatus includes: a hollow core tube having a first opening and a second opening; a first optical waveguide disposed within the first opening; and a second optical waveguide disposed within the second opening and spaced a distance from the first optical waveguide, the distance being related to the property; wherein a portion of at least one of the optical waveguides within the tube is perimetrically isolated from the tube.
摘要翻译： 一种用于估计特性的装置，该装置包括：具有第一开口和第二开口的中空芯管; 布置在第一开口内的第一光波导; 以及第二光波导，其设置在所述第二开口内并且与所述第一光波导间隔开一定距离，所述距离与所述特性相关; 其中所述管内的所述光波导中的至少一个的一部分与所述管周边隔离。
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公开(公告)号：US20110170116A1
公开(公告)日：2011-07-14
申请号：US12958712
申请日：2010-12-02
CPC分类号： G01B9/0205 , G01B9/02057 , G01B2290/25 , G01D5/268 , G01K11/3206
摘要： An apparatus for estimating a property, the apparatus includes: a hollow core tube having a first opening and a second opening; a first optical waveguide disposed within the first opening; and a second optical waveguide disposed within the second opening and spaced a distance from the first optical waveguide, the distance being related to the property; wherein a portion of at least one of the optical waveguides within the tube is perimetrically isolated from the tube.
摘要翻译： 一种用于估计特性的装置，该装置包括：具有第一开口和第二开口的中空芯管; 布置在第一开口内的第一光波导; 以及第二光波导，其设置在所述第二开口内并且与所述第一光波导间隔开一定距离，所述距离与所述特性相关; 其中所述管内的所述光波导中的至少一个的一部分与所述管周边隔离。
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公开(公告)号：US08681322B2
公开(公告)日：2014-03-25
申请号：US13271852
申请日：2011-10-12
申请人： Alexander M. Barry , Roger Glen Duncan , Brooks A. Childers , Robert M. Harman , Daniel S. Homa , Ajit Balagopal , Philip Robin Couch
发明人： Alexander M. Barry , Roger Glen Duncan , Brooks A. Childers , Robert M. Harman , Daniel S. Homa , Ajit Balagopal , Philip Robin Couch
IPC分类号： G01C3/08
CPC分类号： G01S17/08 , E21B47/06 , E21B47/123 , G01L1/246 , G01S7/4818 , G01S17/88
摘要： A method for estimating a distance includes: generating an optical signal having a wavelength that is within a wavelength range, the optical signal modulated via a modulation signal having a modulation frequency; transmitting the modulated optical signal from a light source into the optical fiber, the optical fiber in contact with a moveable strain inducing element located at the position along the optical fiber, the optical fiber including a plurality of sensing locations configured to reflect light within the wavelength range when under strain from the strain inducing element and transmit light within the wavelength range when not under strain from the strain inducing element; receiving a reflected signal including light reflected from at least one of the sensing locations; demodulating the reflected signal with a reference signal to generate reflected signal data; and determining the distance to the position along the optical fiber based on the reflected signal data.
摘要翻译： 用于估计距离的方法包括：产生具有在波长范围内的波长的光信号，经由调制频率调制信号调制的光信号; 将来自光源的调制光信号传输到光纤中，该光纤与位于沿着光纤的位置处的可移动应变感应元件接触，该光纤包括被配置为反射波长内的光的多个感测位置 当应变诱发元件处于应变状态并且当不受应变诱发元件的应变时在波长范围内透射光; 接收包括从所述感测位置中的至少一个反射的光的反射信号; 用参考信号解调反射信号以产生反射信号数据; 以及基于反射信号数据确定沿着光纤的位置的距离。
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公开(公告)号：US20130094011A1
公开(公告)日：2013-04-18
申请号：US13271852
申请日：2011-10-12
申请人： Alexander M. Barry , Roger Glen Duncan , Brooks A. Childers , Robert M. Harman , Daniel S. Homa , Ajit Balagopal , Philip Robin Couch
发明人： Alexander M. Barry , Roger Glen Duncan , Brooks A. Childers , Robert M. Harman , Daniel S. Homa , Ajit Balagopal , Philip Robin Couch
IPC分类号： G01C3/08
CPC分类号： G01S17/08 , E21B47/06 , E21B47/123 , G01L1/246 , G01S7/4818 , G01S17/88
摘要： A method for estimating a distance includes: generating an optical signal having a wavelength that is within a wavelength range, the optical signal modulated via a modulation signal having a modulation frequency; transmitting the modulated optical signal from a light source into the optical fiber, the optical fiber in contact with a moveable strain inducing element located at the position along the optical fiber, the optical fiber including a plurality of sensing locations configured to reflect light within the wavelength range when under strain from the strain inducing element and transmit light within the wavelength range when not under strain from the strain inducing element; receiving a reflected signal including light reflected from at least one of the sensing locations; demodulating the reflected signal with a reference signal to generate reflected signal data; and determining the distance to the position along the optical fiber based on the reflected signal data.
摘要翻译： 用于估计距离的方法包括：产生具有在波长范围内的波长的光信号，经由调制频率调制信号调制的光信号; 将来自光源的调制光信号传输到光纤中，该光纤与位于沿着光纤的位置处的可移动应变感应元件接触，该光纤包括被配置为反射波长内的光的多个感测位置 当应变诱发元件处于应变状态并且当不受应变诱发元件的应变时在波长范围内透射光; 接收包括从所述感测位置中的至少一个反射的光的反射信号; 用参考信号解调反射信号以产生反射信号数据; 以及基于反射信号数据确定沿着光纤的位置的距离。
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5.发明申请SYSTEM AND METHOD FOR INTEGRATED DOWNHOLE SENSING AND OPTICAL FIBER MONITORING 审中-公开一体化卧式感光和光纤监测系统与方法公开(公告)号：US20120176250A1
公开(公告)日：2012-07-12
申请号：US12985845
申请日：2011-01-06
申请人： Roger G. Duncan , Robert M. Harman , Alexander M. Barry , Brooks A. Childers , Philip Robin Couch
发明人： Roger G. Duncan , Robert M. Harman , Alexander M. Barry , Brooks A. Childers , Philip Robin Couch
IPC分类号： G01V3/00
CPC分类号： G01V11/002
摘要： A system for measuring downhole parameters is disclosed. The system includes: a carrier configured to be disposed in a borehole in an earth formation; at least one optical fiber sensor in operable communication with the carrier; a measurement assembly including an electromagnetic signal source configured to transmit a first interrogation signal into the optical fiber sensor and a detector configured to receive a reflected signal indicative of a downhole parameter in response to the interrogation signal; and a processor configured to automatically receive scattered signals from the optical fiber sensor, generate distributed scattering data indicative of a condition of the optical fiber sensor and analyze changes in the distributed scattering data to identify changes in the condition of the optical fiber sensor.
摘要翻译： 公开了一种用于测量井下参数的系统。 该系统包括：被配置为设置在地层中的钻孔中的载体; 至少一个光纤传感器，其与所述载体可操作地通信; 测量组件，包括被配置为将第一询问信号传输到所述光纤传感器中的电磁信号源，以及被配置为响应于所述询问信号接收指示井下参数的反射信号的检测器; 以及处理器，被配置为自动接收来自光纤传感器的散射信号，产生指示光纤传感器状态的分散散射数据，并分析分布式散射数据的变化，以识别光纤传感器状态的变化。
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6.发明授权Enhancing functionality of reflectometry based systems using parallel mixing operations 有权使用并行混合操作增强基于反射计的系统的功能公开(公告)号：US09546915B2
公开(公告)日：2017-01-17
申请号：US13271683
申请日：2011-10-12
申请人： Roger Glen Duncan , Alexander M. Barry , Brooks A. Childers , Robert M. Harman , Philip Robin Couch
发明人： Roger Glen Duncan , Alexander M. Barry , Brooks A. Childers , Robert M. Harman , Philip Robin Couch
CPC分类号： G01K11/32 , G01D5/35354 , G01L1/242
摘要： A method for estimating a parameter includes: generating an optical signal, the optical signal modulated via a modulation signal; transmitting the modulated optical signal from a light source into an optical fiber, the optical fiber including a plurality of sensing locations disposed along the optical fiber and configured to reflect light; receiving a reflected signal including light reflected from the plurality of sensing locations; and combining, in parallel, each of a plurality of reference signals with the reflected signal to estimate a value of the parameter.
摘要翻译： 一种用于估计参数的方法包括：产生光信号，经由调制信号调制的光信号; 将调制的光信号从光源传输到光纤中，所述光纤包括沿着所述光纤布置并被配置为反射光的多个感测位置; 接收包括从所述多个检测位置反射的光的反射信号; 并且并行地将多个参考信号中的每一个与反射信号组合以估计该参数的值。
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7.发明申请SYSTEM AND METHOD TO COMPENSATE FOR ARBITRARY OPTICAL FIBER LEAD-INS IN AN OPTICAL FREQUENCY DOMAIN REFLECTOMETRY SYSTEM 审中-公开用于补偿光学频域反射测量系统中的光纤光栅的系统和方法公开(公告)号：US20120237205A1
公开(公告)日：2012-09-20
申请号：US13049357
申请日：2011-03-16
申请人： Roger G. Duncan , Alexander M. Barry , Brooks A. Childers , Ajit Balagopal , Philip Robin Couch
发明人： Roger G. Duncan , Alexander M. Barry , Brooks A. Childers , Ajit Balagopal , Philip Robin Couch
IPC分类号： H04B10/08
CPC分类号： E21B47/0006 , E21B47/123 , G01D5/35354
摘要： A method for estimating a parameter includes: generating an optical signal, the optical signal modulated via a modulation signal having a variable modulation frequency over a period of time; transmitting the modulated optical signal from a light source into an optical fiber, the optical fiber including at least one sensing location configured to reflect light; receiving a reflected signal including light reflected from the at least one sensing location; and demodulating the reflected signal with a reference signal, the reference signal including a time delay relative to the modulation signal based on a distance between the light source and the at least one sensing location.
摘要翻译： 一种用于估计参数的方法包括：产生光信号，经由一段时间具有可变调制频率的调制信号调制的光信号; 将调制的光信号从光源传输到光纤中，所述光纤包括被配置为反射光的至少一个感测位置; 接收包括从所述至少一个感测位置反射的光的反射信号; 以及用参考信号解调所述反射信号，所述参考信号包括基于所述光源和所述至少一个感测位置之间的距离的相对于所述调制信号的时间延迟。
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公开(公告)号：US07450627B2
公开(公告)日：2008-11-11
申请号：US11292792
申请日：2005-12-01
IPC分类号： H04B1/00
CPC分类号： H04W56/0015 , H04B7/265 , H04W52/0258 , H04W52/0261 , H04W88/02 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/162 , Y02D70/26 , Y02D70/449
摘要： A method of communicating among wireless devices includes providing a frequency hopping schedule to a target device. The frequency hopping schedule includes a sequence of frequencies. The method also includes, at the target device, alternately sleeping and listening on a frequency in the sequence of frequencies according to the frequency hopping schedule, exchanging time base information between the target device and the transmitting device, at the transmitting device, using the time base information to determine a current frequency of the target device, from the transmitting device, and transmitting a packet of information uniquely addressed to the target device.
摘要翻译： 无线设备之间的通信方法包括向目标设备提供跳频计划。 跳频计划包括频率序列。 该方法还包括在目标设备处，根据跳频调度在频率序列中交替地睡眠和收听频率，在发送设备处，使用时间在目的设备和发送设备之间交换时基信息 基站信息，用于从发送设备确定目标设备的当前频率，以及发送唯一地寻址到目标设备的信息分组。
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公开(公告)号：US07343800B2
公开(公告)日：2008-03-18
申请号：US11525501
申请日：2006-09-22
IPC分类号： G01F23/68
摘要： The present invention is directed to system and method for determining a fluid level. The system comprises a sensing rod assembly comprised of releasably connectable rod segments. Each rod segment carries a processor and a plurality of inductors. Each inductor generates a position signal responsive to a float signal. A float assembly comprises a housing containing a circuit having an integrally formed coil periodically energizable by a processor to emit the float signal. A control assembly receives the generated position signals and determines the fluid level. The method comprises providing releasably connectable rod segments with inductors that generate a position signal responsive to a float signal, determining a sensing rod assembly length, forming the sensing rod assembly, disposing it within a container, providing a float assembly periodically actuated to generate a float signal, generating position signals responsive to the float signal and analyzing those signals to determine the fluid level.
摘要翻译： 本发明涉及用于确定液位的系统和方法。 该系统包括由可释放地连接的杆段组成的感测杆组件。 每个杆段承载处理器和多个电感器。 每个电感器响应于浮动信号产生位置信号。 浮子组件包括壳体，该外壳包含具有由处理器周期性激励的整体形成的线圈以发射浮动信号的电路。 控制组件接收所产生的位置信号并确定液位。 该方法包括提供具有电感器的可释放地连接的杆段，其产生响应于浮子信号的位置信号，确定感测杆组件长度，形成感测杆组件，将其设置在容器内，提供周期性致动以产生浮子的浮子组件 信号，响应于浮动信号产生位置信号并分析这些信号以确定流体水平。
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公开(公告)号：US20120154168A1
公开(公告)日：2012-06-21
申请号：US12970331
申请日：2010-12-16
IPC分类号： G01V3/12
CPC分类号： E21B47/122 , B82Y20/00 , G02B6/1225 , H01P3/121
摘要： A downhole component includes a body portion and a photonic crystal waveguide coupled to the body portion that is configured to receive a signal from a device.
摘要翻译： 井下部件包括主体部分和耦合到主体部分的光子晶体波导，其配置成从装置接收信号。
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