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    Advanced underground homing system, apparatus and method
    51.
    发明授权
    Advanced underground homing system, apparatus and method 有权

    公开(公告)号：US09422804B2

    公开(公告)日：2016-08-23

    申请号：US13761632

    申请日：2013-02-07

    Applicant: Merlin Technology Inc.

    Inventor： Guenter W. Brune ,  John E. Mercer ,  Albert W. Chau

    IPC: E21B47/022

    CPC classification number: E21B47/024 ,  E21B7/046 ,  E21B44/005 ,  E21B47/02224

    Abstract: A boring tool that is moved by a drill string to form an underground bore. A transmitter transmits a time varying dipole field as a homing field from the boring tool. A pitch sensor detects a pitch orientation of the boring tool. A homing receiver is positionable at a target location for detecting the homing field to produce a set of flux measurements. A processing arrangement uses the pitch orientation and flux measurements with a determined length of the drill string to determine a vertical homing command for use in controlling depth in directing the boring tool to the target location such that the vertical homing command is generated with a particular accuracy at a given range between the transmitter and the homing receiver and which would otherwise be generated with the particular accuracy for a standard range, different from the particular range. An associated system and method are described.

    ADVANCED STEERING TOOL SYSTEM, METHOD AND APPARATUS
    53.
    发明申请
    ADVANCED STEERING TOOL SYSTEM, METHOD AND APPARATUS 有权
    先进的转向工具系统，方法和装置

    公开(公告)号：US20150345284A1

    公开(公告)日：2015-12-03

    申请号：US14821599

    申请日：2015-08-07

    Applicant: Merlin Technology, Inc.

    Inventor： Guenter W. Brune ,  Albert W. Chau ,  Rudolf Zeller ,  John E. Mercer

    IPC: E21B47/024 ,  G05B19/402 ,  E21B7/06

    CPC classification number: E21B44/02 ,  E21B7/04 ,  E21B7/046 ,  E21B47/02216 ,  E21B47/02224 ,  G01V3/15

    Abstract: A steering tool is movable by a drill string to form an underground bore along an intended path. A sensing arrangement of the steering tool detects its pitch and yaw orientations at a series of spaced apart positions along the bore, each position is characterized by a measured extension of the drill string. The steering tool further includes a receiver. At least one marker is positioned proximate to the intended path, for transmitting a rotating dipole field to expose a portion of the intended path to the field for reception by the receiver. The detected pitch orientation, the detected yaw orientation and the measured extension of the drill string are used in conjunction with magnetic information from the receiver to locate the steering tool. The steering tool may automatically use the magnetic information when it is available. A customized overall position determination accuracy can be provided along the intended path.

    Abstract translation: 转向工具可通过钻柱移动，以形成沿预定路径的地下孔。 转向工具的感测装置在沿着孔的一系列间隔位置处检测其俯仰和偏航方向，每个位置的特征在于测量的钻柱的延伸部。 转向工具还包括接收器。 至少一个标记位于预期路径附近，用于传送旋转偶极场以暴露到场的预期路径的一部分以供接收机接收。 结合来自接收器的磁信息来定位检测到的俯仰方向，检测到的偏航方向和测量的钻柱的延伸部分以定位转向工具。 转向工具可以自动使用磁信息。 可以沿着预期路径提供定制的总体位置确定精度。

    ADVANCED DRILL STRING INGROUND ISOLATOR HOUSING IN AN MWD SYSTEM AND ASSOCIATED METHOD
    54.
    发明申请
    ADVANCED DRILL STRING INGROUND ISOLATOR HOUSING IN AN MWD SYSTEM AND ASSOCIATED METHOD 有权
    MWD系统及相关方法中的高级钻孔地下隔离器壳体

    公开(公告)号：US20140262513A1

    公开(公告)日：2014-09-18

    申请号：US13827945

    申请日：2013-03-14

    Applicant: MERLIN TECHNOLOGY, INC.

    Inventor： Albert W. Chau ,  Kenneth J. Theimer

    IPC: E21B44/00

    CPC classification number: E21B47/01 ,  E21B7/046 ,  E21B17/003 ,  E21B47/011 ,  E21B47/024

    Abstract: 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.

    Abstract translation: 壳体沿着其长度限定通过通道，并且构造成支撑围绕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不得超过压缩 响应于钻柱的延伸和缩回的力。 外壳限定了容纳腔，以容纳具有信号端口的电子封装，并且被配置用于电信号端口跨越电绝缘断开的电连接。 为了增强定位信号的发射，壳体盖可以与主壳体主体配合以限定细长槽。 壳体布置可以支持来自电子封装的电连接以桥接电隔离间隙。

    LOCATING ARRANGEMENT AND METHOD USING BORING TOOL AND CABLE LOCATING SIGNALS
    55.
    发明申请
    LOCATING ARRANGEMENT AND METHOD USING BORING TOOL AND CABLE LOCATING SIGNALS 有权
    定位安排和使用镗孔工具和电缆定位信号的方法

    公开(公告)号：US20140163886A1

    公开(公告)日：2014-06-12

    申请号：US14177898

    申请日：2014-02-11

    Applicant: Merlin Technology Inc.

    Inventor： Guenter W. Brune ,  Albert W. Chau ,  John E. Mercer

    IPC: G01V3/38

    CPC classification number: G01V3/081 ,  E21B47/0905 ,  G01V3/15 ,  G01V3/30 ,  G01V3/38

    Abstract: An arrangement and an associated method are described in which a boring tool is moved through the ground within a given region along a path in which region a cable is buried. The boring tool and the cable transmit a boring tool locating signal and a cable locating signal, respectively. Intensities of the boring tool locating signal and the cable locating signal are measured along with a pitch orientation of the boring tool. Using the measured intensities and established pitch orientation, a positional relationship is determined to relative scale including at least the boring tool and the cable in the region. The positional relationship is displayed to scale in one view. The positional relationship may be determined and displayed including the forward locate point in scaled relation to the boring tool and the cable. Cable depth determination techniques are described including a two-point ground depth determination method.

    Abstract translation: 描述了一种布置和相关方法，其中镗孔工具沿着沿着其中埋入电缆的区域的路径在给定区域内移动通过地面。 钻孔工具和电缆分别传输钻孔定位信号和电缆定位信号。 镗刀定位信号和电缆定位信号的强度随钻孔工具的俯仰方向一起测量。 使用所测量的强度和建立的俯仰方向，确定位置关系至至少包括该钻孔工具和该区域中的电缆的相对标度。 位置关系在一个视图中以比例显示。 可以确定和显示位置关系，包括与镗孔工具和电缆成比例关系的前向定位点。 描述了电缆深度确定技术，其包括两点地面深度确定方法。

    MECHANICAL SHOCK RESISTANT MEMS ACCELEROMETER ARRANGEMENT, ASSOCIATED METHOD, APPARATUS AND SYSTEM
    58.
    发明公开
    MECHANICAL SHOCK RESISTANT MEMS ACCELEROMETER ARRANGEMENT, ASSOCIATED METHOD, APPARATUS AND SYSTEM 审中-公开

    公开(公告)号：US20230314468A1

    公开(公告)日：2023-10-05

    申请号：US18206574

    申请日：2023-06-06

    Applicant: Merlin Technology, Inc.

    Inventor： Albert W. Chau ,  John E. Mercer ,  Scott Phillips

    IPC: G01P15/18 ,  G01P3/00 ,  G01P15/00 ,  G01P15/08

    CPC classification number: G01P15/18 ,  G01P3/00 ,  G01P15/00 ,  G01P15/0888 ,  B81B2201/0235

    Abstract: 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.

    SONDE WITH INTEGRAL PRESSURE SENSOR AND METHOD
    60.
    发明公开
    SONDE WITH INTEGRAL PRESSURE SENSOR AND METHOD 审中-公开

    公开(公告)号：US20230203939A1

    公开(公告)日：2023-06-29

    申请号：US18117967

    申请日：2023-03-06

    Applicant: Merlin Technology, Inc.

    Inventor： Albert W. Chau ,  Dmitry Feldman ,  Benjamin John Medeiros

    IPC: E21B47/06 ,  E21B47/017

    CPC classification number: E21B47/06 ,  E21B47/017 ,  Y10T29/49002

    Abstract: 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.

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