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    • 11. 发明授权
    • Rotary steerable drilling tool with electromagnetic steering system
    • 带电磁转向系统的旋转导向钻具
    • US09580968B2
    • 2017-02-28
    • US14308458
    • 2014-06-18
    • Ce LiuTreston DavisRicki MarshallJing Li
    • Ce LiuTreston DavisRicki MarshallJing Li
    • E21B7/24E21B7/06
    • E21B7/24E21B7/067
    • A rotary steerable drilling tool with an electromagnetic steering system can include a drill collar, a bit shaft, an orientation control module, a mud tube, a mud tube coupler, a universal joint, a mud sealing device, and a drill bit. The bit shaft can be mechanically coupled to the drill collar through the universal joint and the orientation control module and rotate about the universal joint. The orientation and the inclination angle of the bit shaft against the drill collar can be controlled by the orientation control module with the electromagnetic steering system. The orientation control module can include an array of electromagnets, an array of permanent magnets, a rotor, and a set of bearings. The orientation control module can be coupled to the bit shaft through the rotor. The movement of the rotor can be driven by the interaction between the array of electromagnets and the array of permanent magnets.
    • 具有电磁转向系统的旋转可转向钻具可以包括钻铤,钻头轴,定向控制模块,泥浆管,泥浆管联接器,万向接头,泥浆密封装置和钻头。 钻头轴可以通过万向接头和定向控制模块机械联接到钻铤,并围绕万向接头旋转。 钻头轴相对于钻铤的方向和倾斜角度可以由具有电磁转向系统的定向控制模块来控制。 定向控制模块可以包括电磁体阵列,永磁体阵列,转子和一组轴承。 定向控制模块可以通过转子耦合到钻头轴。 转子的运动可以通过电磁体阵列与永磁体阵列之间的相互作用来驱动。
    • 12. 发明授权
    • Solid-state compositions and methods for generating white light
    • 固态组合物和产生白光的方法
    • US09537112B2
    • 2017-01-03
    • US14239616
    • 2012-08-19
    • Jing LiMojgan Roushan
    • Jing LiMojgan Roushan
    • C09K11/08C09K11/56C09K11/57C09K11/88H01L51/50H01L33/50
    • H01L51/5036C09K11/883H01L33/502Y02B20/181
    • This application discloses a new family of inorganic-organic hybrid semiconductor bulk materials built on periodic nanostructured 2D layers of ZnS that emit bright white light with high quantum efficiency. These ZnS-based crystalline inorganic-organic hybrid semiconductors have well defined and precisely controllable crystal structure and composition. Their optical emission properties, including intensity, quantum yield, and color quality, can be systematically tuned by varying the composition of both inorganic and organic components. Methods for preparing these materials, use of these materials as a new type of single-phased white light emitting phosphors, and their applications in making WLED devices are also disclosed.
    • 该申请公开了一种新型的无机 - 有机杂化半导体体材料系列,它们建立在发射具有高量子效率的亮白光的ZnS的周期性纳米结构2D层上。 这些基于ZnS的结晶无机 - 有机杂化半导体具有良好的定义和精确控制的晶体结构和组成。 可以通过改变无机组分和有机组分的组成来系统地调节它们的光学发射性质,包括强度,量子产率和颜色质量。 还公开了制备这些材料的方法,使用这些材料作为新型的单相白色发光荧光体,以及它们在制备WLED器件中的应用。
    • 14. 发明授权
    • Access method and system for MTC device, and MTC device
    • MTC设备和MTC设备的访问方法和系统
    • US09144089B2
    • 2015-09-22
    • US13574323
    • 2011-04-15
    • Jing LiXinhui WangChangwei Ke
    • Jing LiXinhui WangChangwei Ke
    • H04W4/00H04J3/00H04W74/08
    • H04W74/0833
    • The present invention provides an access method and a system for a Machine-Type Communication (MTC) device, and an MTC device. The method comprises the steps of: an MTC device sending, when performing channel request, a channel request cause value and a random reference value to a Base Station Subsystem (BSS) (100), and the BSS sending the received channel request cause value and random reference value back to the MTC device when completing channel allocation (101). The present invention distinguishes the MTC services from other non-MTC services through the channel request cause value, that is, when the cause values are different, the collision will not occur even if the random reference values are the same, thus reducing the probability of the random reference value collision, implementing the effective management for access operations of large numbers of MTC devices, and avoiding the influence of random reference value collision on the normal implementation of original services.
    • 本发明提供了一种用于机器类型通信(MTC)设备和MTC设备的访问方法和系统。 所述方法包括以下步骤:MTC设备在向基站子系统(BSS)(100)发送信道请求原因值和随机参考值时,发送所述接收的信道请求导致值,并且 随机参考值在完成信道分配时返回给MTC设备(101)。 本发明通过信道请求原因值来区分MTC服务与其他非MTC服务,即当原因值不同时,即使随机参考值相同也不会发生冲突,从而降低了 随机参考值碰撞,实现大量MTC设备接入操作的有效管理,避免随机参考值碰撞对原始业务正常实现的影响。
    • 18. 发明申请
    • Apparatus and Method for At-Bit Resistivity Measurements
    • 用于比特电阻率测量的装置和方法
    • US20150035535A1
    • 2015-02-05
    • US13957365
    • 2013-08-01
    • Naizhen LiuQihui ZhaoYuzhou LuYonghe LiRui BaiJing LiCe Liu
    • Naizhen LiuQihui ZhaoYuzhou LuYonghe LiRui BaiJing LiCe Liu
    • G01V3/12
    • G01V3/12G01V3/28
    • An apparatus for making resistivity measurements near a drill bit includes a tool body, a transmitter deployed on the tool body, a receiver deployed on the tool body and at an axial distance from the transmitter, and a transmitting signal coupler coupled to the transmitter antenna and the receiver. The transmitter generates electrical signals and converts the electrical signals into electromagnetic signals to be transmitted. The receiver measures the amplitudes and phases of the electromagnetic signals received from the transmitter. The transmitting signal coupler couples a portion of the electrical signals from the transmitter antenna and measures the amplitudes and phases of the coupled electrical signals. Amplitude attenuation and phase shift between the electromagnetic signals received at the receiver and the electrical signals coupled at the transmitting signal coupler are computed for calculating resistivity.
    • 用于在钻头附近进行电阻率测量的装置包括工具主体,布置在工具主体上的发射器,部署在工具主体上并且距离发射器轴向距离的接收器以及耦合到发射机天线的发射信号耦合器 收件人。 发射机产生电信号,并将电信号转换为要传输的电磁信号。 接收机测量从发射机接收的电磁信号的幅度和相位。 发射信号耦合器耦合来自发射机天线的电信号的一部分,并测量耦合的电信号的幅度和相位。 计算在接收机处接收的电磁信号与耦合在发射信号耦合器处的电信号之间的振幅衰减和相移,用于计算电阻率。
    • 19. 发明授权
    • Multi-array laterolog tools and methods
    • 多阵列后验工具和方法
    • US08947095B2
    • 2015-02-03
    • US13884181
    • 2010-11-15
    • Michael S. BittarShanjun LiJing Li
    • Michael S. BittarShanjun LiJing Li
    • G01V3/00G01V3/20G01V3/24
    • G01V3/20G01V3/24
    • Multi-array laterolog tool systems and methods acquire a set of array measurements sufficient to provide laterolog tool measurements of differing array sizes. Such systems and method offer multiple depths of investigation while offering greater measurement stability in borehole environments having high resistivity contrasts. In at least some system embodiments, a wireline or LWD tool body has a center electrode positioned between multiple pairs of guard electrodes and a pair of return electrodes. The tool's electronics provide a current from the center electrode to the pair of return electrodes and currents from each pair of guard electrodes to the pair of return electrodes. Each of the currents may be distinguishable by frequency or distinguishable by some other means. This novel arrangement of currents provides a complete set of measurements that enables one tool to simultaneously emulate a whole range of laterolog tools.
    • 多阵列后验工具系统和方法获取足够的阵列测量集,以提供不同阵列大小的后者工具测量。 这种系统和方法提供多个调查深度,同时在具有高电阻率对比度的钻孔环境中提供更大的测量稳定性。 在至少一些系统实施例中,有线或LWD工具主体具有位于多对保护电极和一对返回电极之间的中心电极。 工具的电子器件提供从中心电极到一对返回电极的电流以及从每对保护电极到一对返回电极的电流。 每个电流可以通过频率区分或通过某种其他方式可区分。 这种新颖的电流布置提供了一整套测量,使一个工具能够同时模拟一整套后期工具。