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1. 发明申请

WO2020122930A1 USING SOLENOID CHARACTERISTICS FOR PERFORMANCE DIAGNOSTICS ON ROTARY STEERABLE SYSTEMS 审中-公开
公开(公告)号：WO2020122930A1
公开(公告)日：2020-06-18
申请号：PCT/US2018/065611
申请日：2018-12-14
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： NANAYAKKARA, Ravi P. , DEOLALIKAR, Neelesh V. , CHAMBERS, Larry DeLynn , HAY, Richard Thomas
IPC分类号： E21B23/12 , E21B7/06
摘要： An extendable member diagnostic assembly determines performance of one or more components of a rotary steerable system. Based on the determined performance, an operation can be altered, such as a drilling operation. Performance may be based on measurements received from one or more sensors associated with components of the extendable member diagnostic assembly. For example, performance may be based on the time to transition a valve between states where the valve controls actuation of an extendable member, downhole temperature, downhole pressure or any other factors that affect performance of components that are used to perform the drilling operation. A controller receives the measurements from the one or more sensors and updates baseline parameters to determine an accurate performance. Using real time data to determine performance increases efficiency of an operation by eliminating unnecessary replacement of components and indicating that a downhole tool should be retrieved prior to failure.

2. 发明申请

WO2018212754A1 Mud Operated Rotary Steerable System with Rolling Housing 审中-公开
公开(公告)号：WO2018212754A1
公开(公告)日：2018-11-22
申请号：PCT/US2017/032755
申请日：2017-05-15
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： DEOLALIKAR, Neelesh V. , WINSLOW, Daniel M.
IPC分类号： E21B7/06 , E21B17/00 , E21B41/00
CPC分类号： E21B7/062 , E21B7/068
摘要： A directional drilling device for drilling a borehole having a borehole wall, the device including an outer housing and a driveshaft selectively rotatable with respect to the housing and including an axial flow bore and a through port formed in the driveshaft wall. The device also includes one or more borehole engagement members rotatable with and radially moveable with respect to the outer housing toward engagement with the borehole wall to urge the directional drilling device in a radial direction with respect to the borehole. The device further includes a mud pressure actuation system. The mud pressure actuation system controls fluid flow through the through port to control hydraulic pressure on a piston device and thus movement of the borehole engagement members into engagement with the borehole wall to maintain a rotational position of the outer housing and the corresponding radial direction in which the device is being urged.

3. 发明申请

WO2019133033A1 STEERING SYSTEM FOR USE WITH A DRILL STRING 审中-公开
公开(公告)号：WO2019133033A1
公开(公告)日：2019-07-04
申请号：PCT/US2018/016746
申请日：2018-02-02
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： CHAMBERS, Larry DeLynn , DEOLALIKAR, Neelesh V.
IPC分类号： E21B7/06 , E21B23/12
摘要： A drill string steering system includes a flow manifold and a rotary valve. An actuation flow channel and a backflow channel are rotatable with respect to piston flow channels of the flow manifold. The actuation flow channel is rotatable relative to the flow manifold to increase or decrease flow toward the piston for controlling actuation of the piston. The backflow channel is rotatable relative to the flow manifold to increase or decrease flow away from the piston to the annulus for controlling retraction of the piston.

4. 发明申请

WO2016108858A1 CONDITION MONITORING OF ELECTRIC MOTOR 审中-公开
标题翻译：电动机状态监测
公开(公告)号：WO2016108858A1
公开(公告)日：2016-07-07
申请号：PCT/US2014/072819
申请日：2014-12-30
申请人： HALLIBURTON ENERGY SERVICES INC.
发明人： DEOLALIKAR, Neelesh V. , JANES, Stephen C.
IPC分类号： E21B44/00 , E21B47/07 , E21B7/00
CPC分类号： E21B44/005 , E21B4/04 , E21B7/06 , E21B7/067 , E21B41/0085 , E21B43/128 , E21B44/04 , F04D13/10 , H02K5/132 , H02K7/081 , H02K2213/09 , H02P29/02
摘要： A method and system for monitoring operation of a motor may include initially determining a no load torque versus temperature characteristic of the motor over a range of operating temperatures. After a period of operation, a no load torque value and temperature of the motor may be determined. Motor temperature may be measured by a local thermistor or the like. Motor torque may be determined from measured motor current. The motor torque and temperature may then be compared to the initial torque versus temperature characteristic to determine a change in load of said motor due to break down of motor oil, worn bearings, or similar condition. In some embodiment, the method and system may be used with a downhole tool for drilling a well, such as a rotary steerable system.
摘要翻译：用于监测电动机的操作的方法和系统可以包括在工作温度范围内首先确定电动机的无负载转矩对温度特性。经过一段时间后，可以确定电动机的无负载转矩值和温度。电机温度可以通过局部热敏电阻等测量。电动机转矩可以由测量的电动机电流确定。然后可以将电动机转矩和温度与初始转矩对温度特性进行比较，以确定由于机油，磨损的轴承或类似情况导致的所述电动机的负载变化。在一些实施例中，该方法和系统可以与用于钻井的井下工具一起使用，例如旋转导向系统。

5. 发明申请

WO2019133034A1 STEERING PAD OVEREXTENSION PREVENTION FOR ROTARY STEERABLE SYSTEM 审中-公开
公开(公告)号：WO2019133034A1
公开(公告)日：2019-07-04
申请号：PCT/US2018/020783
申请日：2018-03-02
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： DOUD, Brian Lee , DEOLALIKAR, Neelesh V.
IPC分类号： E21B7/06 , E21B23/12
摘要： A steering head for steering a drill string may include a pad pusher including a steering pad and a piston. The steering pad may have a pivot axis, and be rotatable about the pivot axis between retracted and extended positions. The pad pusher may further include a motion restrictor to restrict rotation about the pivot axis. The steering head may further include a housing having a motion restrictor disposed at a position corresponding to the pad pusher motion restrictor. The pad pusher motion restrictor may be engageable with the housing motion restrictor to restrict motion of the steering pad relative to the housing.

6. 发明申请

WO2016186672A1 FLOW CONTROL MODULE FOR A ROTARY STEERABLE DRILLING ASSEMBLY 审中-公开
标题翻译：旋转可转动钻井总成的流量控制模块
公开(公告)号：WO2016186672A1
公开(公告)日：2016-11-24
申请号：PCT/US2015/031927
申请日：2015-05-21
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： JANES, Stephen Christopher , WINSLOW, Daniel Martin , DEOLALIKAR, Neelesh V.
IPC分类号： E21B7/06 , E21B47/02 , E21B17/00
CPC分类号： E21B7/068 , E21B34/06
摘要： Directional control of a rotary steerable drilling assembly can be facilitated by a flow control module for maintaining a geostationary position or orientation of components of the assembly. The drilling assembly can include a bit shaft and an offset mandrel for adjusting a longitudinal axis of the bit shaft. A drive mechanism can rotate the offset mandrel independently of the bit shaft to maintain the offset mandrel in a geostationary position or orientation relative to a formation of the earth and/or a wellbore. A flow control module controllably directs a fluid flow to the drive mechanism. The flow control module can include an inner body and an outer body, defining an annulus there between and one or more blades within the annulus, each of the blades being rotatable to provide a range of angles with respect to a longitudinal axis of the flow control module.
摘要翻译：可以通过用于维持组件的部件的对地静止位置或取向的流量控制模块来促进旋转导向钻井组件的定向控制。钻井组件可以包括位轴和用于调节钻头轴的纵向轴线的偏移心轴。驱动机构可以独立于钻头轴旋转偏心心轴，以将偏移心轴相对于地球和/或井筒的形成保持在对地静止位置或取向。流量控制模块可控制地将流体流引导到驱动机构。流动控制模块可以包括内部主体和外部主体，在其间限定环形空间和环形空间内的一个或多个叶片，每个叶片可旋转以提供相对于流量控制器的纵向轴线的一定范围的角度模块。

7. 发明申请

WO2016167765A1 TURBINE-GENERATOR-ACTUATOR ASSEMBLY FOR ROTARY STEERABLE TOOL USING A GEARBOX 审中-公开
标题翻译：涡轮发电机执行器组件，用于使用齿轮箱的旋转可转换工具
公开(公告)号：WO2016167765A1
公开(公告)日：2016-10-20
申请号：PCT/US2015/025992
申请日：2015-04-15
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： DEOLALIKAR, Neelesh V. , WINSLOW, Daniel , RILEY, Benjamin S. , AGNIHOTRI, Mukul
IPC分类号： E21B41/00 , E21B17/00 , H02K7/18
CPC分类号： E21B41/0085 , E21B4/02 , E21B21/103 , E21B44/005 , E21B47/00 , E21B47/024 , E21B47/12 , F03B13/02 , F05B2220/706
摘要： Systems and methods of down-hole power generation are disclosed, which provide for the generation of electrical power in a down-hole environment for use by down-hole tools such as logging tools, telemetry, and electric control circuit. The electrical generator is operably coupled to a turbine shaft of a hydraulic turbine, and operates at a first rotational speed in response to a rotation of the turbine shaft. The turbine shaft is also coupled to a down-hole actuator such as a rotary drill bit such that the actuator operates at a second rotational speed in response to the rotation of the turbine shaft. A gearbox is operably coupled between the actuator and the turbine shaft to permit operation of the generator and actuator at different rotational speeds by the rotation of the turbines shaft.
摘要翻译：公开了井下发电的系统和方法，其提供了在诸如测井工具，遥测和电气控制电路的井下工具使用的井下环境中产生电力。发电机可操作地联接到水轮机的涡轮轴，并响应于涡轮机轴的旋转以第一转速操作。涡轮轴还连接到诸如旋转钻头的井下致动器，使得致动器响应于涡轮轴的旋转以第二转速进行操作。齿轮箱可操作地联接在致动器和涡轮轴之间，以允许通过涡轮机轴的旋转以不同的转速操作发电机和致动器。

8. 发明申请

WO2019133036A1 CURVED PISTON LINER AND INTEGRAL PAD ASSEMBLY 审中-公开
公开(公告)号：WO2019133036A1
公开(公告)日：2019-07-04
申请号：PCT/US2018/020786
申请日：2018-03-02
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： DOUD, Brian Lee , DEOLALIKAR, Neelesh V.
IPC分类号： E21B7/06 , E21B23/12
CPC分类号： E21B7/067 , E21B21/103
摘要： A rotary steerable tool for steering a drill string may include a tool collar extending along a longitudinal axis of the tool, a pad pusher, a pad retention housing, and a piston liner. The pad pusher may be rotatable about a pivot axis thereof between retracted and extended positions relative to the tool collar, for steering the drill string. The piston liner may be coupled to the pad retention housing and have a piston channel that defines a curved profile. The piston liner may provide sealing contact against a perimeter of the piston upon pivoting of the pad pusher through the piston channel along the curved profile, relative to the piston liner.

9. 发明申请

WO2015076850A1 ROTARY STEERABLE DRILLING SYSTEM 审中-公开
标题翻译：旋转导向钻机系统
公开(公告)号：WO2015076850A1
公开(公告)日：2015-05-28
申请号：PCT/US2013/071734
申请日：2013-11-25
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： WINSLOW, Daniel Martin , DEOLALIKAR, Neelesh V.
IPC分类号： E21B3/02 , E21B4/02 , E21B15/00
CPC分类号： E21B7/04 , E21B3/00 , E21B4/006 , E21B7/062 , E21B7/067
摘要： A rotary steerable drilling system includes a gear box driven by a drill string having an input rotatable in a first direction and an output rotatable in an opposite direction. A drive shaft coupled to the output has a first axis of rotation, and a rotatable tubular bit sleeve annularly arranged around a distal portion of the drive shaft is pivotable to have a second axis of rotation and includes a connector assembly on a distal end of the bit sleeve for coupling the bit sleeve to a drill bit. A spherical CV joint couples the bit sleeve to the drive shaft, eccentric cams are movably positioned on the drive shaft, a differential gearing system is connected to the eccentric cams, and a pressure applying device is connected to the eccentric cams. When activated, the pressure applying device applies pressure to modify the speed of rotation of the eccentric cams. A method of rotary steerable drilling is disclosed.
摘要翻译：旋转导向钻井系统包括由钻柱驱动的齿轮箱，该钻柱具有可在第一方向上旋转的输入和沿相反方向旋转的输出。联接到输出端的驱动轴具有第一旋转轴线，并且围绕驱动轴的远端部分环绕地布置的可旋转管状钻头套筒可枢转以具有第二旋转轴线，并且包括位于所述驱动轴的远端上的连接器组件用于将钻头套筒连接到钻头上。球形CV接头将钻头套筒连接到驱动轴，偏心凸轮可移动地定位在驱动轴上，差速齿轮系统连接到偏心凸轮，并且压力施加装置连接到偏心凸轮。当启动时，压力施加装置施加压力以改变偏心凸轮的旋转速度。公开了一种旋转导向钻井方法。

10. 发明申请

WO2014046668A1 SYSTEM AND METHOD FOR DETERMINING DRILLING PARAMETERS BASED ON HYDRAULIC PRESSURE ASSOCIATED WITH A DIRECTIONAL DRILLING SYSTEM 审中-公开
标题翻译：基于与方向钻井系统相关的液压压力确定钻孔参数的系统和方法
公开(公告)号：WO2014046668A1
公开(公告)日：2014-03-27
申请号：PCT/US2012/056547
申请日：2012-09-21
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： DEOLALIKAR, Neelesh V. , WINSLOW, Daniel Martin
IPC分类号： E21B7/04
CPC分类号： E21B47/06 , E21B7/04 , E21B12/02 , E21B44/06 , E21B49/003 , G05B15/02
摘要： A system and method for determining drilling parameters based on hydraulic pressure associated with a directional drilling system are disclosed. A drilling parameter associated with a directional drilling system may be determined by measuring hydraulic pressure associated with the directional drilling system during drilling of a wellbore, detecting a change in the hydraulic pressure, and determining a drilling parameter based on the detected change in hydraulic pressure.
摘要翻译：公开了一种基于与定向钻井系统相关联的液压来确定钻井参数的系统和方法。与定向钻井系统相关联的钻孔参数可以通过在钻井期间测量与定向钻井系统相关联的液压，检测液压的变化，以及基于检测到的液压变化来确定钻井参数来确定。

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