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1. 发明申请

US20110057656A1 Drilling System for Making LWD Measurements Ahead of the Bit 有权
标题翻译：钻头系统进行LWD测量
公开(公告)号：US20110057656A1
公开(公告)日：2011-03-10
申请号：US12557113
申请日：2009-09-10
申请人： Borislav J. Tchakarov , Stephen Bonner , Ricki Marshall , Treston Davis
发明人： Borislav J. Tchakarov , Stephen Bonner , Ricki Marshall , Treston Davis
IPC分类号： G01V3/00
CPC分类号： E21B10/00 , E21B47/01
摘要： A drilling system includes integral drill bit body and logging while drilling tool body portions. There are no threads between the drill bit and the LWD tool. In one exemplary embodiment the drilling system includes a unitary tool body, i.e., a tool body formed from a single work piece. In another exemplary embodiment the drill bit body portion is welded to the LWD tool body portion. At least one LWD sensor is deployed in the drill bit. The drilling system enables multiple LWD sensors to be deployed in and near the bit (e.g., on both the side and bottom faces of the bit). The absence a threaded connection facilitates the placement of electrical connectors, LWD sensors, and electronic control circuitry at the bit.
摘要翻译：钻井系统包括一体的钻头体，并在钻具的主体部分进行测井。钻头和LWD工具之间没有螺纹。在一个示例性实施例中，钻井系统包括整体工具主体，即由单个工件形成的工具主体。在另一个示例性实施例中，钻头主体部分焊接到LWD工具主体部分。至少有一个LWD传感器部署在钻头中。钻孔系统使得多个LWD传感器能够部署在钻头中和其附近（例如，在钻头的侧面和底面上）。没有螺纹连接便于在该位处放置电连接器，LWD传感器和电子控制电路。

2. 发明授权

US08570045B2 Drilling system for making LWD measurements ahead of the bit 有权
标题翻译：钻井系统使LWD测量领先于钻头
公开(公告)号：US08570045B2
公开(公告)日：2013-10-29
申请号：US12557113
申请日：2009-09-10
申请人： Borislav J Tchakarov , Stephen D Bonner , Ricki Marshall , Treston Davis
发明人： Borislav J Tchakarov , Stephen D Bonner , Ricki Marshall , Treston Davis
IPC分类号： G01V3/00
CPC分类号： E21B10/00 , E21B47/01
摘要： A drilling system includes integral drill bit body and logging while drilling tool body portions. There are no threads between the drill bit and the LWD tool. In one exemplary embodiment the drilling system includes a unitary tool body, i.e., a tool body formed from a single work piece. In another exemplary embodiment the drill bit body portion is welded to the LWD tool body portion. At least one LWD sensor is deployed in the drill bit. The drilling system enables multiple LWD sensors to be deployed in and near the bit (e.g., on both the side and bottom faces of the bit). The absence a threaded connection facilitates the placement of electrical connectors, LWD sensors, and electronic control circuitry at the bit.
摘要翻译：钻井系统包括一体的钻头体，并在钻具的主体部分进行测井。钻头和LWD工具之间没有螺纹。在一个示例性实施例中，钻井系统包括整体工具主体，即由单个工件形成的工具主体。在另一个示例性实施例中，钻头主体部分焊接到LWD工具主体部分。至少有一个LWD传感器部署在钻头中。钻孔系统使得多个LWD传感器能够部署在钻头中和其附近（例如，在钻头的侧面和底面上）。没有螺纹连接便于在该位处放置电连接器，LWD传感器和电子控制电路。

3. 发明申请

US20150368974A1 ROTARY STEERABLE DRILLING TOOL WITH ELECTROMAGNETIC STEERING SYSTEM 审中-公开
标题翻译：具有电磁转向系统的旋转可转向钻机
公开(公告)号：US20150368974A1
公开(公告)日：2015-12-24
申请号：US14308458
申请日：2014-06-18
申请人： Ce Liu , Treston Davis , Ricki Marshall , Jing Li
发明人： Ce Liu , Treston Davis , Ricki Marshall , Jing Li
IPC分类号： E21B4/04 , E21B7/04 , E21B4/00
CPC分类号： E21B7/24 , E21B7/067
摘要： 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.
摘要翻译：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。

4. 发明授权

US09580968B2 Rotary steerable drilling tool with electromagnetic steering system 有权
标题翻译：带电磁转向系统的旋转导向钻具
公开(公告)号：US09580968B2
公开(公告)日：2017-02-28
申请号：US14308458
申请日：2014-06-18
申请人： Ce Liu , Treston Davis , Ricki Marshall , Jing Li
发明人： Ce Liu , Treston Davis , Ricki Marshall , Jing Li
IPC分类号： E21B7/24 , E21B7/06
CPC分类号： E21B7/24 , E21B7/067
摘要： 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.
摘要翻译：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。

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