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    • 1. 发明申请
    • SELECTIVE ELECTRICAL ACTIVATION OF DOWNHOLE TOOLS
    • 卧式工具的选择性电活动
    • US20150027723A1
    • 2015-01-29
    • US13948267
    • 2013-07-23
    • HALLIBURTON ENERGY SERVICES, INC.
    • Michael L. FRIPPZachary W. WALTONZachary R. MURPHREEDonald G. KYLE
    • E21B34/06
    • E21B34/066E21B23/00E21B34/063E21B41/00G01V11/002
    • A method of activating a tool can include displacing a device in the tool, the device transmitting energy to a receiver of the tool, thereby activating the tool, and the transmitting including a control circuitry increasing electrical current flow between an electrical power source and a transmitter in response to a sensor detecting a predetermined stimulus downhole. A system can include a tool including a receiver and an electrical load, and a device which displaces relative to the tool, the device including a transmitter, a sensor and an electrical power source. Another method can include displacing a device in a tubular string including multiple downhole tools, each including a receiver and an electrical load, and the device including a transmitter and a sensor. The transmitter transmits energy to at least one of the receivers in response to sensor detection of a predetermined number of the tools traversed by the device.
    • 启动工具的方法可以包括移动工具中的装置,该装置将能量发射到工具的接收器,从而启动工具,并且发射包括控制电路,增加电源和发射器之间的电流流动 响应于传感器检测井下的预定刺激。 系统可以包括包括接收器和电负载的工具以及相对于工具移位的装置,该装置包括发射器,传感器和电源。 另一种方法可以包括将包括多个井下工具的管状串中的装置移位,每个井下工具包括接收器和电负载,并且该装置包括发射器和传感器。 响应于传感器检测到由设备穿过的预定数量的工具,发射机向至少一个接收机传输能量。
    • 7. 发明申请
    • Dual Magnetic Sensor Actuation Assembly
    • 双磁传感器启动组件
    • US20140262234A1
    • 2014-09-18
    • US13828824
    • 2013-03-14
    • HALLIBURTON ENERGY SERVICES, INC.
    • Zachary W. WALTONMatthew T. HOWELL
    • E21B47/00
    • E21B34/14E21B34/06E21B34/102E21B34/103
    • A well tool comprising a housing comprising ports and defining a flow passage, an actuator, a dual magnetic sensor actuation assembly (DMSAA) in signal communication with the actuator and comprising a first magnetic sensor up-hole relative to a second magnetic sensor, and an electronic circuit comprising a counter, and wherein, the DMSAA detects a magnetic signal and determines the direction of movement of the magnetic device emitting the magnetic signal, and a sleeve slidable within the housing and transitional from a first position in which the sleeve prevents fluid communication via the ports to a second position in which the sleeve allows fluid communication via the ports, wherein, the sleeve transitions from the first to the second position upon recognition of a predetermined quantity of magnetic signals traveling in a particular direction.
    • 一种井工具,其包括壳体,其包括端口并限定流路,致动器,与致动器信号通信的双磁传感器致动组件(DMSAA),并且包括相对于第二磁传感器的第一磁传感器上孔,以及 电子电路,其包括计数器,并且其中,所述DMSAA检测磁信号并确定发射所述磁信号的所述磁性装置的移动方向,以及可在所述壳体内滑动并且从所述套筒防止流体连通的第一位置过渡的套筒 通过所述端口到所述套筒允许经由所述端口的流体连通的第二位置,其中,当识别到在特定方向上行进的预定量的磁信号时,所述套管从所述第一位置转变到第二位置。