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1. 发明公开

EP3169872A1 MULTIMODE STEERING AND HOMING SYSTEM, METHOD AND APPARATUS 有权
标题翻译：多维多利亚·莱昂 - 莱比锡，VERFAHREN UND VORRICHTUNG
公开(公告)号：EP3169872A1
公开(公告)日：2017-05-24
申请号：EP16781993.7
申请日：2016-04-12
申请人： Merlin Technology Inc.
发明人： SHAW, Tim , MERCER, John E. , CHAU, Albert W.
IPC分类号： E21B47/12 , E21B47/024 , E21B7/04 , E21B47/0228 , E21B44/02
CPC分类号： E21B7/06 , E21B44/005 , E21B47/02224 , E21B47/024 , E21B47/122 , G01V3/081 , G01V3/15 , G01V3/18 , G01V3/34 , G01V3/38
摘要： A boring tool is movable through the ground. A transmitter supported by the boring tool transmits an electromagnetic homing signal. A portable device monitors the electromagnetic homing signal and receives the electromagnetic homing signal in a homing mode for guiding the boring tool to a target position. A processor generates steering commands for guiding the boring tool based on a bore plan in a steering mode such that at least some positional error is introduced without using the electromagnetic homing signal. Switching from the steering mode to the homing mode is based on monitoring of the electromagnetic homing signal as the boring tool approaches the portable device to then guide the boring tool to the target position location in compensation for the positional error. Intermediate target positions are described as well as guiding the boring tool based on the homing signal so long as the portable device receives the signal.
摘要翻译：一个无聊的工具可以通过地面移动。由钻孔工具支撑的变送器传送电磁归位信号。便携式设备监视电磁归位信号并且以归位模式接收电磁归位信号，以将钻孔工具引导到目标位置。处理器产生用于在转向模式下基于钻孔平面引导钻孔工具的转向命令，使得在不使用电磁归位信号的情况下引入至少一些位置误差。从转向模式切换到归位模式是基于在镗刀接近便携式装置时监测电磁归位信号，然后将钻孔工具引导到目标位置，以补偿位置误差。描述中间目标位置，并且只要便携式设备接收信号，就基于归位信号来引导钻孔工具。

2. 发明公开

EP2971499A1 DRILL STRING INGROUND ISOLATOR HOUSING IN AN MWD SYSTEM AND METHOD 审中-公开
标题翻译：一种MWD系统中的钻柱式分离器壳体及方法
公开(公告)号：EP2971499A1
公开(公告)日：2016-01-20
申请号：EP14773317.4
申请日：2014-03-10
申请人： Merlin Technology Inc.
发明人： CHAU, Albert W. , THEIMER, Kenneth J.
IPC分类号： E21B47/12 , E21B47/01 , H01B17/58
CPC分类号： E21B47/01 , E21B7/046 , E21B17/003 , E21B47/011 , E21B47/024
摘要： A housing defines a through passage along its length and is configured to support a group of electrical isolators surrounding the through passage to form an electrically isolating break in a drill string such that each isolator of the group of isolators is subject to no more than a compressive force responsive to extension and retraction of the drill string. The housing defines a housing cavity to receive an electronics package having a signal port and is configured for electrical connection of the signal port across the electrically isolating break. A housing lid can cooperate with a main housing body to define elongated slots for purposes of enhancing the emanation of a locating signal. A housing arrangement can support electrical connections from an electronics package to bridge an electrically isolating gap.
摘要翻译：壳体沿其长度限定贯通通道并且被配置为支撑围绕贯通通道的一组电隔离器以在钻柱中形成电隔离断裂，使得该组隔离器中的每个隔离器经受不多于压缩力响应于钻柱的伸出和缩回。该壳体限定一个壳体空腔以容纳具有信号端口的电子组件，并且被配置用于跨电隔离中断电连接信号端口。外壳盖可以与主外壳主体配合以限定细长狭槽以用于增强定位信号的散发。外壳装置可以支持来自电子组件的电连接以桥接电隔离间隙。

3. 发明公开

EP2800871A1 ADVANCED DRILL STRING COMMUNICATION SYSTEM, COMPONENTS AND METHODS 有权
标题翻译：高级BOHRSTRANGKOMMUNIKATIONSSYSTEM，相关组件和程序
公开(公告)号：EP2800871A1
公开(公告)日：2014-11-12
申请号：EP13733871.1
申请日：2013-01-04
申请人： Merlin Technology, Inc.
发明人： CHAU, Albert W. , LAM, Loc Viet
IPC分类号： E21B47/12 , E21B47/024 , E21B47/13 , H04B3/04 , H04B15/00
CPC分类号： E21B47/12 , E21B7/046 , E21B7/30 , E21B47/091 , E21B47/121 , G01V3/30
摘要： A drill string communication system is described. An uphole transceiver can couple a signal onto the drill string at a power that can be greater and in some embodiments is always greater than a selectable power for a downhole signal. Communication from a drill rig to an inground tool can be re-initiated using a maximum uphole transmit power of an uphole transceiver. A procedure can establish a new set of transmission parameters for a drill string signal to establish communication between the drill rig and the inground tool. The system can include a walkover locator that receives an active/inactive status-controlled electromagnetic locating signal. Responsive to a locating signal degradation, a reconfiguration command can modify the locating signal. The uphole and downhole transceivers can automatically modify a parameter of a downhole signal. An uphole receiver can apply a compensation to compensate for a drill string channel transfer function.

4. 发明公开

EP2888445A1 DRILL STRING INGROUND ISOLATOR AND METHOD 审中-公开
标题翻译：绝缘子地下钻柱及其方法
公开(公告)号：EP2888445A1
公开(公告)日：2015-07-01
申请号：EP13830793.9
申请日：2013-08-20
申请人： Merlin Technology Inc.
发明人： CHAU, Albert W. , THEIMER, Kenneth J.
IPC分类号： E21B47/12 , F16L25/02
CPC分类号： E21B17/028 , E21B7/028 , E21B17/003 , E21B47/00 , E21B47/024 , E21B47/122 , G01V3/34
摘要： An inground isolator and associated method can provide an electrically isolated break in a drill string using electrical insulating members/isolators that are supported by a housing. During drill string operations, the isolators are subject only compressive forces responsive to both extension (pushing) and retraction (pulling) by the drill string. The isolators can be formed from an electrically insulating material such as a ceramic material. An interchangeable inground tool system is described which integrally serves to provide an electrically isolating gap in the drill string.

5. 发明公开

EP2875204A1 INGROUND OPERATIONS, SYSTEM, COMMUNICATIONS AND ASSOCIATED APPARATUS 有权
标题翻译：非政府组织运作，系统，民主联盟
公开(公告)号：EP2875204A1
公开(公告)日：2015-05-27
申请号：EP13819757.9
申请日：2013-07-19
申请人： Merlin Technology Inc.
发明人： CHAU, Albert W. , MEDEIROS, Benjamin John , CASWELL, Craig
IPC分类号： E21B7/04 , F16L1/028 , E02F5/18 , E21B47/024 , E21B47/12 , E21B47/06
CPC分类号： E21B47/024 , E21B7/046 , E21B21/08 , E21B44/00 , E21B47/02 , E21B47/06 , E21B47/10 , E21B47/12 , E21B47/122 , G01V3/18
摘要： Systems, apparatus and methods are described for purposes of initiating a response to detection of an adverse operational condition involving a system including a drill rig and an inground tool. The response can be based on an uphole sensed parameter in combination with a downhole sensed parameter. The adverse operational condition can involve cross-bore detection, frac-out detection, excessive downhole pressure, a plugged jet indication and drill string key-holing detection. A communication system includes an inground communication link that allows bidirectional communication between a walkover detector and the drill rig via the inground tool. Monitoring of inground tool depth and/or lateral movement can be performed using techniques that approach integrated values. Bit force based auto-carving is described in the context of an automated procedure.
摘要翻译：描述了系统，装置和方法，用于启动对涉及包括钻机和地下工具的系统的不利操作条件的检测的响应。响应可以基于井下感测参数与井下感测参数的组合。不利的操作条件可以涉及钻孔检测，裂缝检测，井下压力过大，堵塞式喷射指示和钻柱键盘检测。通信系统包括允许步行检测器和钻机之间通过地下工具进行双向通信的地面通信链路。可以使用接近积分值的技术来监测地下工具深度和/或横向运动。在自动化程序的上下文中描述了基于位力的自动雕刻。钻机遥测定位器的丢失可能会触发自动切换到系统内不同的通信路径。

6. 发明公开

EP3598147A1 MECHANICAL SHOCK RESISTANT MEMS ACCELEROMETER ARRANGEMENT, ASSOCIATED METHOD, APPARATUS AND SYSTEM 有权
公开(公告)号：EP3598147A1
公开(公告)日：2020-01-22
申请号：EP19190288.1
申请日：2015-07-02
申请人： Merlin Technology Inc.
发明人： CHAU, Albert W. , MERCER, John E. , PHILLIPS, Scott
IPC分类号： G01P15/18 , G01V7/00
摘要： An accelerometer arrangement and method are described for determining accelerations of an inground tool. First and second triaxial accelerometers are supported such that a normal sensing axis of the first triaxial accelerometer is at least generally orthogonal to the normal sensing axis of the second triaxial accelerometer for determining the accelerations along the three orthogonal axes based on a combination of sensing axis outputs from one or both of the triaxial accelerometers. A weaker sensing axis of one triaxial accelerometer can be supported at least approximately normal to a weaker sensing axis of another triaxial accelerometer such that the weaker axes are not used. The triaxial accelerometers can be supported such that one axis of one accelerometer can be redundant with respect to another axis of another accelerometer. One triaxial accelerometer can be mounted on a tilted plane with respect to another triaxial accelerometer.

7. 发明公开

EP3575548A3 SONDE WITH INTEGRAL PRESSURE SENSOR AND METHOD 有权
公开(公告)号：EP3575548A3
公开(公告)日：2020-01-08
申请号：EP19171790.9
申请日：2012-02-17
申请人： Merlin Technology Inc.
发明人： CHAU, Albert W. , FELDMAN, Dmitry , MEDEIROS, Benjamin John
IPC分类号： E21B47/01 , E21B17/10 , H05K13/00 , E21B47/06
摘要： Generally, a sonde, associated components and methods are described which can be used in conjunction with an inground tool having an inground tool housing that defines an inground tool cavity such that the inground tool cavity is exposed to an ambient pressure environment which surrounds the inground tool during an inground operation. A sonde housing assembly includes an exterior configuration that is receivable within the inground tool cavity. The sonde housing assembly at least partially defines a sonde interior and is further configured for receiving the pressure sensor body of a pressure sensor in a pressure sealed engagement. A sonde electronics package is supported within the sonde interior and is at least configured to receive the pressure signal and transfer a corresponding pressure signal from the sonde.

8. 发明授权

EP3164719B1 MECHANICAL SHOCK RESISTANT MEMS ACCELEROMETER ARRANGEMENT, ASSOCIATED METHOD, APPARATUS AND SYSTEM 有权
公开(公告)号：EP3164719B1
公开(公告)日：2019-09-04
申请号：EP15814989.8
申请日：2015-07-02
申请人： Merlin Technology Inc.
发明人： CHAU, Albert W. , MERCER, John E. , PHILLIPS, Scott
IPC分类号： G01P15/18 , G01V7/00

9. 发明授权

EP2800871B1 ADVANCED DRILL STRING COMMUNICATION SYSTEM, COMPONENTS AND METHODS 有权
公开(公告)号：EP2800871B1
公开(公告)日：2020-03-11
申请号：EP13733871.1
申请日：2013-01-04
申请人： Merlin Technology, Inc.
发明人： CHAU, Albert W. , LAM, Loc Viet
IPC分类号： E21B47/12 , E21B7/04

10. 发明授权

EP2689103B1 SONDE WITH INTEGRAL PRESSURE SENSOR AND METHOD 有权
公开(公告)号：EP2689103B1
公开(公告)日：2019-05-15
申请号：EP12761392.5
申请日：2012-02-17
申请人： Merlin Technology Inc.
发明人： CHAU, Albert W. , FELDMAN, Dmitry , MEDEIROS, Benjamin John
IPC分类号： E21B47/01 , E21B17/10 , H05K13/00 , E21B47/06

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