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    • 52. 发明申请
    • Real-Time Well Surveillance Using a Wireless Network and an In-Wellbore Tool
    • 使用无线网络和井下工具实时监控
    • US20160215612A1
    • 2016-07-28
    • US14921374
    • 2015-10-23
    • Timothy I. Morrow
    • Timothy I. Morrow
    • E21B47/12
    • E21B47/122E21B47/01E21B47/011E21B47/16
    • A method of transmitting data in a wellbore uses a signal receiver that is run into the wellbore on a working string. The signal receiver receives wireless signals from receiver communications nodes placed along the wellbore. The data from those signals is then sent up the wellbore, either by directing the signals directly up the working string, or by spooling the string to the surface and uploading the data. Sensors and associated communications nodes arc placed within the wellbore to collect data. The communications nodes may be the signal receiver nodes; alternatively, the communications nodes may send data from the sensors up the wellbore through acoustic signals to a receiver communications node. In the latter instance, intermediate communications nodes having electro-acoustic transducers are used as part of a novel telemetry system.
    • 在井眼中传输数据的方法使用在工作串上进入井眼的信号接收器。 信号接收器从沿井筒放置的接收机通信节点接收无线信号。 然后,通过将信号直接指向工作串,或通过将字符串假脱机到表面并上传数据,将这些信号的数据发送到井眼。 传感器和相关通信节点放置在井眼内以收集数据。 通信节点可以是信号接收器节点; 或者,通信节点可以通过声信号将来自传感器的数据从井眼发送到接收器通信节点。 在后一种情况下,具有电声换能器的中间通信节点被用作新型遥测系统的一部分。
    • 54. 发明申请
    • SYSTEMS AND METHODS FOR DRILLING IN HIGH TEMPERATURE ENVIRONMENTS USING OPTICAL FIBER COMMUNICATION
    • 使用光纤通信在高温环境中钻井的系统和方法
    • US20160168982A1
    • 2016-06-16
    • US14569093
    • 2014-12-12
    • Namig Khochberov
    • Namig Khochberov
    • E21B47/12E21B47/18E21B47/06E21B47/024E21B7/00E21B47/01
    • E21B47/123E21B17/028E21B47/011
    • A drilling system includes a lower drill string and an upper drill string. The lower drill string includes a drill bit, a drive system coupled to the drill bit, at least one lower drill pipe coupled to the drive system, and a sensor system disposed in the at least one lower drill pipe. The sensor system includes one or more sensors and a first connector coupled to the one or more sensors. The upper drill string is coupled to the lower drill string and includes one or more upper drill pipes. The upper drill string also includes a MWD/LWD electronics system coupled to the one or more upper drill pipes. The MWD/LWD electronics system includes an electronics component communicatively coupled to the first connector via a fiber optic cable. The electronics component is in communication with the one or more sensors via the fiber optic cable.
    • 钻井系统包括下钻柱和上钻柱。 下钻柱包括钻头,耦合到钻头的驱动系统,联接到驱动系统的至少一个下钻杆和设置在所述至少一个下钻杆中的传感器系统。 传感器系统包括一个或多个传感器和耦合到该一个或多个传感器的第一连接器。 上钻柱联接到下钻柱并且包括一个或多个上钻杆。 上钻柱还包括耦合到一个或多个上钻杆的MWD / LWD电子系统。 MWD / LWD电子系统包括通过光纤电缆通信地耦合到第一连接器的电子部件。 电子部件通过光纤电缆与一个或多个传感器通信。
    • 55. 发明授权
    • Apparatus and methods for cooling downhole devices
    • 用于冷却井下装置的装置和方法
    • US09353618B2
    • 2016-05-31
    • US13665229
    • 2012-10-31
    • BAKER HUGHES INCORPORATED
    • Sebastian JungThomas Kruspe
    • F25D3/12E21B47/01
    • E21B47/011
    • An apparatus for cooling a downhole device is provided that in one embodiment includes a refrigerant having a saturation vapor pressure and stored in a chamber, an outlet configured to allow the refrigerant to discharge from the chamber and vaporize to cool the downhole device, and a force application device configured to apply pressure on the refrigerant in the chamber to maintain the refrigerant in the chamber at or above the saturation vapor pressure of the refrigerant. In another aspect, a method of cooling a device is provided that in one embodiment includes providing a chamber containing a refrigerant therein, the refrigerant having a saturation vapor pressure, discharging the refrigerant from the chamber to cause the refrigerant to evaporate to cause a cooling effect proximate the device to be cooled, and maintaining the refrigerant at or above the saturation vapor pressure of the refrigerant.
    • 提供了一种用于冷却井下装置的装置,其在一个实施例中包括具有饱和蒸汽压力并存储在室中的制冷剂,出口构造成允许制冷剂从室排出并蒸发以冷却井下装置, 施加装置,其构造成对所述室中的制冷剂施加压力,以将所述室内的制冷剂保持在所述制冷剂的饱和蒸气压以上或高于所述致冷剂的饱和蒸气压。 在另一方面,提供了一种冷却装置的方法,其在一个实施例中包括在其中提供容纳制冷剂的室,所述制冷剂具有饱和蒸气压,从制冷剂排出制冷剂以使制冷剂蒸发以产生冷却效果 靠近要冷却的装置,并且将制冷剂保持在等于或高于制冷剂的饱和蒸汽压力。
    • 58. 发明申请
    • REFLECTION-ONLY SENSOR AT MULTIPLE ANGLES FOR NEAR REAL-TIME DETERMINATION OF ACOUSTIC PROPERTIES OF A FLUID DOWNHOLE
    • 用于多个角度的仅反射传感器,用于实时确定流体倒塌的声学特性
    • US20160025884A1
    • 2016-01-28
    • US14339240
    • 2014-07-23
    • Baker Hughes Incorporated
    • Rocco DIFOGGIO
    • G01V1/50
    • G01V1/50E21B47/0005E21B47/011E21B47/101G01H5/00G01N29/024G01N29/343G01N2291/011G01N2291/044G01V1/40
    • Methods, systems, and devices for determining a parameter of interest of downhole fluid using an acoustic assembly comprising a single solid acoustic transmission medium having a face immersed in the downhole fluid. Methods include using characteristics of a plurality of acoustic pulse reflections from a solid-liquid interface at the face of the solid acoustic transmission medium to estimate the parameter of interest in near real-time. The characteristics may comprise a corresponding reflection amplitude and the corresponding unique angle of reflection for each acoustic pulse reflection. Methods may include generating a two dimensional data set from measured characteristics, generating a curve by performing data fitting on the two dimensional data set, and using the reciprocal slope of the curve to estimate the parameter of interest. Methods may include estimating time-dependent values for the parameter of interest substantially continuously while the acoustic assembly is on a single logging run in the borehole.
    • 用于使用声学组件确定井下流体感兴趣的参数的方法,系统和装置,所述声学组件包括具有浸没在井下流体中的面的单个固体声学传播介质。 方法包括使用来自固体声学传播介质的表面处的固 - 液界面的多个声脉冲反射的特性,以近似实时地估计感兴趣的参数。 特征可以包括相应的反射幅度和对于每个声脉冲反射的对应唯一的反射角。 方法可以包括根据测量的特征产生二维数据集,通过在二维数据集上执行数据拟合并使用曲线的倒数斜率来估计感兴趣的参数来生成曲线。 方法可以包括在声学组件在钻孔中的单次测井运行时基本上连续地估计感兴趣的参数的时间依赖值。
    • 59. 发明申请
    • FLUID PRESSURE PULSE GENERATING APPARATUS WITH PRIMARY SEAL ASSEMBLY, BACK UP SEAL ASSEMBLY AND PRESSURE COMPENSATION DEVICE AND METHOD OF OPERATING SAME
    • 具有主密封组件的流体压力脉冲发生装置,后盖密封组件和压力补偿装置及其操作方法
    • US20150345288A1
    • 2015-12-03
    • US14745038
    • 2015-06-19
    • Evolution Engineering Inc.
    • Aaron W. LoganJustin C. LoganDavid A. Switzer
    • E21B47/18E21B21/10
    • E21B47/18E21B21/08E21B21/10E21B43/1195E21B47/011E21B47/187
    • The embodiments described herein generally relate to a fluid pressure pulse generating apparatus with a primary seal assembly, back up seal assembly and pressure compensation device. The pressure compensation device comprises a membrane support and a longitudinally extending membrane system. The membrane support has a longitudinally extending bore therethrough for receiving a driveshaft of the fluid pressure pulse generating apparatus. The longitudinally extending membrane system comprising a longitudinally extending outer membrane sleeve and a longitudinally extending inner membrane sleeve with the inner membrane sleeve positioned inside the outer membrane sleeve. The membrane system is sealed to the membrane support to allow flexing of the membrane system in response to fluid pressure on either an inner longitudinal surface of the membrane system or an outer longitudinal surface of the membrane system and to prevent fluid on the inner longitudinal surface mixing with fluid on the outer longitudinal surface.
    • 本文描述的实施例通常涉及具有主密封组件,备用密封组件和压力补偿装置的流体压力脉冲发生装置。 压力补偿装置包括膜支撑件和纵向延伸的膜系统。 膜支撑件具有穿过其的纵向延伸的孔,用于接收流体压力脉冲发生装置的驱动轴。 纵向延伸膜系统包括纵向延伸的外膜套筒和纵向延伸的内膜套筒,其中内膜套筒位于外膜套筒的内部。 膜系统被密封到膜支撑件以允许膜系统响应于膜系统的内纵向表面或膜系统的外纵向表面上的流体压力而弯曲,并且防止内纵向表面上的流体混合 在外纵向表面上具有流体。
    • 60. 发明申请
    • BACK UP DIRECTIONAL AND INCLINATION SENSORS AND METHOD OF OPERATING SAME
    • 备份方向和内置传感器及其操作方法
    • US20150345283A1
    • 2015-12-03
    • US14649507
    • 2013-12-06
    • EVOLUTION ENGINEERING INC.
    • David A. SWITZERAaron W. LOGANJili LIUMojtaba KAZEMI MIRAKI
    • E21B47/024E21B47/12
    • E21B47/022E21B47/011E21B47/024E21B47/12G01P15/00G01P15/18
    • The embodiments described herein generally relate to a method and apparatus for providing a back up system of Directional and Inclination (D&I) information to be gathered and transmitted in addition to primary D&I sensors currently employed in industry. A downhole probe assembly including primary sensors, back up sensors and a controller is disclosed. The primary sensors comprise primary accelerometers and primary magnetometers configured to gather information relating to each of orthogonal axes X, Y and Z. The back up sensors comprise back up accelerometers configured to gather information relating to each of orthogonal axes X, Y and Z, the back up accelerometers being solid state accelerometers. The controller is in electrical communication with the primary sensors and the back up sensors. The controller is configured to receive and process information from the primary sensors and the back up sensors so that information from the back up accelerometers can be used when one or more of the primary accelerometers fail, which may allow drilling operations to continue despite such failure.
    • 本文描述的实施例通常涉及用于提供除了工业中当前使用的主要D&I传感器之外要收集和发送的定向和倾斜(D&I)信息的备份系统的方法和装置。 公开了一种包括主传感器,备用传感器和控制器的井下探头组件。 主传感器包括主加速度计和主磁力计,其被配置为收集与正交轴X,Y和Z中的每一个相关的信息。备用传感器包括配置为收集与正交轴X,Y和Z中的每一个相关的信息的备份加速度计, 备份加速度计是固态加速度计。 控制器与主传感器和备用传感器电气通信。 控制器被配置为从主传感器和备用传感器接收和处理信息,使得当一个或多个主加速度计失效时可以使用来自后备加速度计的信息,这可能允许钻井操作继续,尽管这样的故障。