公开(公告)号：US20240019478A1

公开(公告)日：2024-01-18

申请号：US18371363

申请日：2023-09-21

Applicant: Merlin Technology Inc.

Inventor： Loc Viet Lam ,  Albert W. Chau

IPC: E21B47/13 ,  G01V11/00

CPC classification number: E21B47/13 ,  G01V11/002

Abstract: A portable device and associated method are described for use with a system in which a locating signal is transmitted from within the ground during an operational procedure. The locating signal includes a transmission frequency that is selectable from a group of discrete transmission frequencies in a frequency range and the region includes electromagnetic noise that can vary. The portable device includes a receiver having a bandwidth that includes the transmission frequency range and is operable for measuring the electromagnetic noise in the transmission frequency range to establish a frequency content of the electromagnetic noise for use in selecting one of the discrete transmission frequencies that is subsequently transmitted as the locating signal during the operational procedure. The locating signal can be transmitted from a boring tool, a pullback arrangement or an inground cable. A predicted maximum operational depth for a transmitter can be determined prior to the operational procedure.

公开(公告)号：US20130176139A1

公开(公告)日：2013-07-11

申请号：US13733097

申请日：2013-01-02

Applicant: Merlin Technology, Inc.

Inventor： Albert W. Chau ,  Loc Viet Lam

IPC: G01V3/30

CPC classification number: E21B47/12 ,  E21B7/046 ,  E21B7/30 ,  E21B47/091 ,  E21B47/121 ,  G01V3/30

Abstract: A drill string communication system is described. An uphole transceiver can couple a signal onto the drill string at a power that is always greater that 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 transceiver and a downhole transceiver can automatically modify at least one parameter of a downhole signal. An uphole receiver can apply a compensation response to a transferred signal to compensate for a drill string channel transfer function.

Abstract translation: 描述钻柱通信系统。 井下收发器可以将信号耦合到钻柱上，其功率总是大于用于井下信号的可选功率。 可以使用井下收发器的最大井上发射功率重新启动从钻机到地下工具的通信。 一个程序可以为钻柱信号建立一组新的传动参数，以建立钻机和地下工具之间的通讯。 该系统可以包括步态定位器，其接收主动/非活动状态控制的电磁定位信号。 响应于定位信号劣化，重新配置命令可以修改定位信号。 井下收发器和井下收发器可以自动修改井下信号的至少一个参数。 井上接收器可以对传送的信号应用补偿响应，以补偿钻柱通道传递功能。

公开(公告)号：US11118447B2

公开(公告)日：2021-09-14

申请号：US16298988

申请日：2019-03-11

Applicant: Merlin Technology, Inc.

Inventor： Albert W. Chau ,  Loc Viet Lam ,  Scott Phillips

IPC: E21B47/13 ,  E21B7/04 ,  E21B47/024

Abstract: A transmitter is carried proximate to an inground tool for sensing a plurality of operational parameters relating to the inground tool. The transmitter customizes a data signal to characterize one or more of the operational parameters for transmission from the inground tool based on the operational status of the inground tool. A receiver receives the data signal and recovers the operational parameters. Advanced data protocols are described. Pitch averaging and enhancement of dynamic pitch range for accelerometer readings are described based on monitoring mechanical shock and vibration of the inground tool.

公开(公告)号：US10598712B2

公开(公告)日：2020-03-24

申请号：US15685790

申请日：2017-08-24

Applicant: Merlin Technology Inc.

Inventor： Loc Viet Lam ,  Albert W. Chau

IPC: G01R29/26 ,  G01V3/15

Abstract: A portable device and associated method are described for use with a system in which a locating signal is transmitted from within the ground during an operational procedure. The locating signal includes a transmission frequency that is selectable from a group of discrete transmission frequencies in a frequency range and the region includes electromagnetic noise that can vary. The portable device includes a receiver having a bandwidth that includes the transmission frequency range and is operable for measuring the electromagnetic noise in the transmission frequency range to establish a frequency content of the electromagnetic noise for use in selecting one of the discrete transmission frequencies that is subsequently transmitted as the locating signal during the operational procedure. The locating signal can be transmitted from a boring tool, a pullback arrangement or an inground cable. A predicted maximum operational depth for a transmitter can be determined prior to the operational procedure.

公开(公告)号：US20140247059A1

公开(公告)日：2014-09-04

申请号：US14277873

申请日：2014-05-15

Applicant: Merlin Technology Inc.

Inventor： Loc Viet Lam ,  Albert W. Chau

IPC: G01R29/26

Abstract: A portable device and associated method are described for use with a system in which a locating signal is transmitted from within the ground during an operational procedure. The locating signal includes a transmission frequency that is selectable from a group of discrete transmission frequencies in a frequency range and the region includes electromagnetic noise that can vary. The portable device includes a receiver having a bandwidth that includes the transmission frequency range and is operable for measuring the electromagnetic noise in the transmission frequency range to establish a frequency content of the electromagnetic noise for use in selecting one of the discrete transmission frequencies that is subsequently transmitted as the locating signal during the operational procedure. The locating signal can be transmitted from a boring tool, a pullback arrangement or an inground cable. A predicted maximum operational depth for a transmitter can be determined prior to the operational procedure.

Abstract translation: 描述了便携式设备和相关联的方法，用于在操作过程期间从地面内发送定位信号的系统。 定位信号包括可从频率范围内的一组离散传输频率中选择的传输频率，并且该区域包括可变化的电磁噪声。 便携式设备包括具有包括传输频率范围的带宽的接收机，并且可操作用于测量传输频率范围内的电磁噪声，以建立用于选择随后的离散传输频率之一的电磁噪声的频率内容 在操作过程中作为定位信号发送。 定位信号可以从钻孔工具，拉回装置或地下电缆传输。 可以在操作过程之前确定发射机的预测的最大操作深度。

公开(公告)号：US20240287894A1

公开(公告)日：2024-08-29

申请号：US18655324

申请日：2024-05-06

Applicant: Merlin Technology, Inc.

Inventor： Albert W. Chau ,  Loc Viet Lam

IPC: E21B47/12 ,  E21B7/04 ,  E21B7/30 ,  E21B47/095 ,  E21B47/125 ,  G01V3/30

CPC classification number: E21B47/12 ,  E21B7/046 ,  E21B7/30 ,  E21B47/095 ,  E21B47/125 ,  G01V3/30

Abstract: A drill string communication system is described. An uphole transceiver can couple a signal onto the drill string at a power that is always greater that 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 transceiver and a downhole transceiver can automatically modify at least one parameter of a downhole signal. An uphole receiver can apply a compensation response to a transferred signal to compensate for a drill string channel transfer function.

公开(公告)号：US11015441B2

公开(公告)日：2021-05-25

申请号：US16298988

申请日：2019-03-11

Applicant: Merlin Technology, Inc.

Inventor： Albert W. Chau ,  Loc Viet Lam ,  Scott Phillips

IPC: E21B47/13 ,  E21B47/024 ,  E21B7/04

Abstract: A transmitter is carried proximate to an inground tool for sensing a plurality of operational parameters relating to the inground tool. The transmitter customizes a data signal to characterize one or more of the operational parameters for transmission from the inground tool based on the operational status of the inground tool. A receiver receives the data signal and recovers the operational parameters. Advanced data protocols are described. Pitch averaging and enhancement of dynamic pitch range for accelerometer readings are described based on monitoring mechanical shock and vibration of the inground tool.

公开(公告)号：US10513919B2

公开(公告)日：2019-12-24

申请号：US15006504

申请日：2016-01-26

Applicant: Merlin Technology, Inc.

Inventor： Albert W. Chau ,  Loc Viet Lam

IPC: E21B47/12 ,  G01V3/30 ,  E21B47/09 ,  E21B7/04 ,  E21B7/30

Abstract: A drill string communication system is described. An uphole transceiver can couple a signal onto the drill string at a power that is always greater that 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 transceiver and a downhole transceiver can automatically modify at least one parameter of a downhole signal. An uphole receiver can apply a compensation response to a transferred signal to compensate for a drill string channel transfer function.

公开(公告)号：US09274243B2

公开(公告)日：2016-03-01

申请号：US13733097

申请日：2013-01-02

Applicant: Merlin Technology, Inc.

Inventor： Albert W. Chau ,  Loc Viet Lam

IPC: G01V3/00 ,  E21B7/04 ,  E21B44/00 ,  G01V3/30 ,  E21B47/09 ,  E21B47/12 ,  E21B7/30

CPC classification number: E21B47/12 ,  E21B7/046 ,  E21B7/30 ,  E21B47/091 ,  E21B47/121 ,  G01V3/30

Abstract: A drill string communication system is described. An uphole transceiver can couple a signal onto the drill string at a power that is always greater that 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 transceiver and a downhole transceiver can automatically modify at least one parameter of a downhole signal. An uphole receiver can apply a compensation response to a transferred signal to compensate for a drill string channel transfer function.

Abstract translation: 描述钻柱通信系统。 井下收发器可以将信号耦合到钻柱上，其功率总是大于用于井下信号的可选功率。 可以使用井下收发器的最大井上发射功率重新启动从钻机到地下工具的通信。 一个程序可以为钻柱信号建立一组新的传动参数，以建立钻机和地下工具之间的通讯。 该系统可以包括步态定位器，其接收主动/非活动状态控制的电磁定位信号。 响应于定位信号劣化，重新配置命令可以修改定位信号。 井下收发器和井下收发器可以自动修改井下信号的至少一个参数。 井上接收器可以对传送的信号应用补偿响应，以补偿钻柱通道传递功能。

公开(公告)号：US20140266771A1

公开(公告)日：2014-09-18

申请号：US14208470

申请日：2014-03-13

Applicant: Merlin Technology, Inc.

Inventor： Albert W. Chau ,  Loc Viet Lam ,  Scott Phillips

IPC: E21B47/12

CPC classification number: E21B47/122 ,  E21B7/046 ,  E21B47/024

Abstract: A transmitter is carried proximate to an inground tool for sensing a plurality of operational parameters relating to the inground tool. The transmitter customizes a data signal to characterize one or more of the operational parameters for transmission from the inground tool based on the operational status of the inground tool. A receiver receives the data signal and recovers the operational parameters. Advanced data protocols are described. Pitch averaging and enhancement of dynamic pitch range for accelerometer readings are described based on monitoring mechanical shock and vibration of the inground tool.

Abstract translation: 发射机靠近地下工具承载，用于感测与地下工具相关的多个操作参数。 变送器定制数据信号以表征基于地下工具的操作状态的来自地下工具的用于传输的一个或多个操作参数。 接收器接收数据信号并恢复运行参数。 描述高级数据协议。 基于监测地下工具的机械冲击和振动来描述用于加速度计读数的动态俯仰范围的间距平均和增强。