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公开(公告)号：US20190316712A1
公开(公告)日：2019-10-17
申请号：US16473210
申请日：2017-12-22
发明人： Luke A. STACK , Aaron W. LOGAN , Justin C. LOGAN , Patrick R. DERKACZ , Gavin Gaw-Wae LEE , Hasan Alper HEPGUVENDIK , Mojtaba KAZEMI MIRAKI , Daniel W. AHMOYE , Kurtis K.L. WEST , Angelica J.B. FRANCOEUR
摘要： One or more seals may be provided in a gap sub to prevent the ingress of drilling fluid into an insulating gap between a male member of the gap sub and a female member of the gap sub. A first seal may comprise an internal gap sub seal provided near the tip of the male member of the gap sub. A second seal may comprise an external gap sub seal provided near the tip of the female member of the gap sub. The first and second seals may comprise non-conductive materials. The first and second seals may each comprise one or more O-rings. The first and second seals may comprise one or more lips, protrusions or flanges to engage the male and/or female members of the gap sub for maintaining contact with the male and/or female members during deformation of the gap sub.
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公开(公告)号：US20190154866A1
公开(公告)日：2019-05-23
申请号：US16194108
申请日：2018-11-16
发明人： David A. SWITZER , Aaron W. LOGAN
摘要： A vehicle for detecting fields relevant to the suitability of a location for EM telemetry reception. The vehicle may include a magnetometer, a voltage monitoring system and position sensors. A wireless transmitter may transmit readings from the meters, monitoring systems and/or sensors to a receiver. The vehicle may include equipment for inserting or removing ground conductors for use in receiving electromagnetic telemetry signals. The vehicle may be driven or may drive itself autonomously. The vehicle may obtain measurements of magnetic field and/or potential differences at spaced apart locations along a path. Data obtained by the vehicle may be analyzed to identify hot spots. After selecting hot spots, the vehicle may be configured to insert ground conductors at selected locations within the hot spots. After installing ground rods, the vehicle may be configured to continuously monitor the area to maintain an optimum configuration of ground conductors.
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公开(公告)号：US20190003302A1
公开(公告)日：2019-01-03
申请号：US16066031
申请日：2017-01-27
发明人： Aaron W. LOGAN , Justin C. LOGAN , Barry D. BUTERNOWSKY , Steven D. MCLAWCHLIN , David A. SWITZER , Kurtis Kenneth Lee WEST
摘要： A method for establishing downlink telemetry communication to a downhole system involves placing into a drillstring a telemetry transcoder, and advancing the drillstring so the telemetry transcoder is below the surface. The method then transmits downlink EM telemetry signals from surface equipment. These signals are received at the telemetry transcoder which retransmits the signals as mud pulse signals. The mud pulse signals are received at the downhole system.
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公开(公告)号：US20180179888A1
公开(公告)日：2018-06-28
申请号：US15852415
申请日：2017-12-22
发明人： David A. SWITZER , Sheng XU , Aaron W. LOGAN , Anquan MEN , Kurtis K.L. WEST , Barry D. BUTERNOWSKY , Angelica J.B. FRANCOEUR , Grant E. HARDING , Gilles A. PELLETIER , Sabrina M. HUSTON
IPC分类号： E21B47/12
CPC分类号： E21B47/122 , E21B47/00 , E21B47/121 , E21B47/18
摘要： A telemetry system useful in drilling operations receives and displays telemetry data. The telemetry system also determines and displays information regarding the status of the telemetry transmission. The telemetry system may display which data will be updated next, when the update is expected to be complete, and how reliable is the currently displayed data. The system can facilitate efficient drilling operations.
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5.发明申请公开(公告)号：US20160348499A1
公开(公告)日：2016-12-01
申请号：US15167814
申请日：2016-05-27
CPC分类号： E21B47/123 , E21B47/121
摘要： A downhole apparatus for measuring drilling fluid characteristics. The downhole apparatus may comprise one or more sensors located within a housing. The sensors may include one or more of an imaging device, a resistivity/conductivity sensor, a temperature sensor, a pressure sensor, a flowmeter and a fluid density sensor. The downhole apparatus may also include a controller for receiving measurements and/or determining optimal electromagnetic telemetry transmission settings. The downhole apparatus may also comprise a transmitter for transmitting the measurements and/or the optimal electromagnetic transmission settings. The downhole apparatus may be operated to determine optimal transmission settings for an electromagnetic telemetry system. Optimal transmission settings may include settings relating to one or more of frequency, amplitude, voltage, current, and power.
摘要翻译： 一种用于测量钻井液特性的井下设备。 井下装置可以包括位于壳体内的一个或多个传感器。 传感器可以包括成像装置，电阻率/电导率传感器，温度传感器，压力传感器，流量计和流体密度传感器中的一个或多个。 井下装置还可以包括用于接收测量和/或确定最佳电磁遥测传输设置的控制器。 井下装置还可以包括用于传送测量和/或最佳电磁传输设置的发射器。 井下装置可以被操作以确定电磁遥测系统的最佳传输设置。 最佳传输设置可以包括与频率，幅度，电压，电流和功率中的一个或多个相关的设置。
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公开(公告)号：US20160138391A1
公开(公告)日：2016-05-19
申请号：US14900069
申请日：2014-06-20
发明人： Aaron W. LOGAN , Justin C. LOGAN
CPC分类号： E21B47/18 , E21B4/14 , E21B41/0085 , E21B47/122 , E21B47/187
摘要： A mud hammer is driven by the flow of drilling fluid to generate pressure pulses. Timing and/or amplitude of the pulses are altered to encode data by applying electromagnetic forces to a movable member of the mud hammer. In an example embodiment the movable member carries one or more magnets and electromagnetic forces are applied to the movable member by one or more electromagnets. The mud hammer may also generate electrical power that may be applied to charge batteries and/or drive downhole electrical apparatus.
摘要翻译： 泥浆锤由钻井液的流动驱动以产生压力脉冲。 脉冲的定时和/或振幅被改变以通过向泥锤的可移动部件施加电磁力来对数据进行编码。 在一个示例性实施例中，可移动构件承载一个或多个磁体，并且电磁力通过一个或多个电磁体施加到可移动构件。 泥浆锤还可以产生可用于对电池充电和/或驱动井下电气设备的电力。
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7.发明申请SYSTEM AND METHOD FOR MANAGING BATTERIES FOR USE IN A DOWNHOLE DRILLING APPLICATION 审中-公开用于管理用于井下钻孔应用的电池的系统和方法公开(公告)号：US20150361788A1
公开(公告)日：2015-12-17
申请号：US14835479
申请日：2015-08-25
发明人： Jili LIU , Xia PAN , David A. SWITZER , Aaron W. LOGAN
IPC分类号： E21B47/12
CPC分类号： E21B41/00 , E21B41/0085 , E21B47/12 , E21B47/122 , H02J7/00 , H02J7/0063 , H02J13/00 , H02J13/0003 , H02J2007/0067
摘要： The present disclosure is directed at methods, systems, and techniques for managing batteries for use in a downhole drilling application. The system includes a power bus, pairs of battery terminals for connecting to batteries, switching circuitry that connects and disconnects the batteries to the power bus, data collection circuitry that obtains battery parameters obtained during system operation, and a controller that controls the switching circuitry and receives the battery parameters. A control line connects the controller to the switching circuitry and a data line connects the controller to the data collection circuitry, with the control and data lines being distinct such that control and data signals are not multiplexed with each other.
摘要翻译： 本公开涉及用于管理在井下钻井应用中使用的电池的方法，系统和技术。 该系统包括电源总线，用于连接到电池的成对电池端子，将电池连接到电源总线的开关电路，获得在系统操作期间获得的电池参数的数据采集电路以及控制开关电路和 接收电池参数。 控制线将控制器连接到开关电路，并且数据线将控制器连接到数据采集电路，控制和数据线是不同的，使得控制和数据信号彼此不被多路复用。
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公开(公告)号：US20190203589A1
公开(公告)日：2019-07-04
申请号：US16295351
申请日：2019-03-07
发明人： Aaron W. LOGAN , David A. SWITZER , Jili LIU , Justin C. LOGAN , Mingdong XU
CPC分类号： E21B47/122 , E21B7/04 , E21B47/00 , E21B47/12 , E21B47/14 , E21B47/18 , H04B3/54 , H04B2203/5458 , H04B2203/5475
摘要： A downhole system has a plurality of telemetry systems and a control system configured to obtain information from one or more sensors and transmit that information on one or more of the plurality of telemetry systems. The configuration of a controller may be changed so as to change which information is transmitted on a given telemetry system and how the information is to be transmitted on the given telemetry system.
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公开(公告)号：US20180252049A1
公开(公告)日：2018-09-06
申请号：US15752737
申请日：2016-08-12
发明人： Luke A. STACK , Aaron W. LOGAN , Justin C. LOGAN , Mojtaba KAZEMI MIRAKI , Patrick R. DERKACZ , Gavin Gaw-wae LEE , Hasan Alper HEPGUVENDIK , Daniel W. AHMOYE , Angelica J.B. FRANCOEUR
IPC分类号： E21B17/00 , H01B3/12 , E21B17/042 , H01B17/38
CPC分类号： E21B17/003 , E21B17/028 , E21B17/0426 , F16B17/004 , F16L25/025 , H01B3/12 , H01B17/38
摘要： A gap sub assembly for electromagnetic telemetry used in downhole drilling is disclosed. The gap sub comprises a female part comprising a female mating section and a male part comprising a male mating section. The male mating section is matingly received within the female mating section and electrically isolated therefrom. One or more electrically insulating bodies secure the male part axially and torsionally relative to the female part. The electrically insulating bodies also electrically isolate the male part from the female part. The electrically insulating bodies can be installed through apertures in the female part or at least some of the electrically insulating bodies can be installed before the male mating section is inserted into the female mating section. The electrically insulating bodies can be held in place on the male mating section using a retention apparatus such as a ring, a scarf, pods or an adhesive.
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10.发明申请公开(公告)号：US20180106116A1
公开(公告)日：2018-04-19
申请号：US15836207
申请日：2017-12-08
IPC分类号： E21B17/043 , E21B17/042 , E21B47/01 , E21B17/05 , E21B47/024 , E21B17/00 , E21B7/06
CPC分类号： E21B17/043 , E21B7/067 , E21B17/00 , E21B17/042 , E21B17/05 , E21B47/01 , E21B47/024
摘要： Adjustment of the angle of a bent sub or other steering feature in a drill string relative to a reference angle of a downhole sensor is facilitated by a rotatable coupling between the bent sub and the sensor. The rotatable coupling may be rotated to align the high side with a reference indicium and locked at the set angle. Rows of ceramic balls retained in circumferential channels may be provided to permit rotation while carrying tensile and compressional forces. Calibration of the sensor is facilitated and opportunities for certain measurement errors are eliminated. An embodiment provides a mechanism for locking the rotatable coupling at a desired angle. The embodiment comprises a ring with teeth that engage a downhole portion of the coupling and depressions that engage an uphole portion of the coupling.
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