公开(公告)号：US12098629B2

公开(公告)日：2024-09-24

申请号：US18402831

申请日：2024-01-03

Applicant: CHINA UNIVERSITY OF PETROLEUM

Inventor： Weiliang Wang ,  Yanfeng Geng ,  Mingzhu Shao ,  Huijie Xu ,  Mengyu Tu

IPC: E21B44/00 ,  E21B4/04 ,  E21B7/06 ,  E21B47/024 ,  G01D21/02

CPC classification number: E21B44/005 ,  E21B4/04 ,  E21B7/068 ,  E21B47/024 ,  G01D21/02 ,  E21B2200/20

Abstract: Provided are a method and device for fault estimation of a measurement and control device for a rotary steerable drilling system. The method for fault estimation includes: S1, establishing a state model of the measurement and control device for the rotary steerable drilling system; S2, establishing a fault-free model filter and a fault model filter, and initializing the fault-free model filter and the fault model filter; S3, detecting whether the measurement and control device for the rotary steerable drilling system has a fault; and S4, reinitializing the fault model filter under the condition that a detection result is fault-free; reinitializing the fault-free model filter under the condition that the detection result is faulty; and estimating, by the fault model filter, the fault in real time, and obtaining, by the fault model filter, the estimation value {circumflex over (x)}wf.

公开(公告)号：US20240229635A9

公开(公告)日：2024-07-11

申请号：US18402831

申请日：2024-01-03

Applicant: CHINA UNIVERSITY OF PETROLEUM

Inventor： Weiliang Wang ,  Yanfeng Geng ,  Mingzhu Shao ,  Huijie Xu ,  Mengyu Tu

IPC: E21B44/00 ,  E21B4/04 ,  E21B7/06 ,  E21B47/024 ,  G01D21/02

CPC classification number: E21B44/005 ,  E21B4/04 ,  E21B7/068 ,  E21B47/024 ,  G01D21/02 ,  E21B2200/20

Abstract: Provided are a method and device for fault estimation of a measurement and control device for a rotary steerable drilling system. The method for fault estimation includes: S1, establishing a state model of the measurement and control device for the rotary steerable drilling system; S2, establishing a fault-free model filter and a fault model filter, and initializing the fault-free model filter and the fault model filter; S3, detecting whether the measurement and control device for the rotary steerable drilling system has a fault; and S4, reinitializing the fault model filter under the condition that a detection result is fault-free; reinitializing the fault-free model filter under the condition that the detection result is faulty; and estimating, by the fault model filter, the fault in real time, and obtaining, by the fault model filter, the estimation value {circumflex over (x)}wf.

公开(公告)号：US20230408368A1

公开(公告)日：2023-12-21

申请号：US18242684

申请日：2023-09-06

Applicant: CHINA UNIVERSITY OF PETROLEUM

Inventor： Weiliang Wang ,  Yanfeng Geng ,  Li Sheng ,  Jinming Tian ,  Minglei Li

IPC: G01M7/02 ,  G01M7/04

CPC classification number: G01M7/025 ,  G01M7/045 ,  G01M7/022 ,  E21B7/04

Abstract: The present invention belongs to the technical field of oil field drilling, and relates to a ground testing device for a stabilized platform of a rotary steerable drilling tool. The ground testing device includes: a first supporting member and a second supporting member that are oppositely arranged, where the second supporting member is provided with a first mounting hole; a drill collar and a drill collar motor mounted outside the first supporting member, where a motor shaft of the drill collar motor penetrates the first supporting member and is connected to the drill collar, and a stabilized platform mounting assembly is arranged inside the drill collar; and a first vibration member connected to the drill collar and a second vibration member arranged in the first mounting hole in a sleeved manner, where an elastic member is arranged between the second vibration member and the second supporting member, and the elastic member is arranged on the second vibration member in a sleeving manner. An end portion of the first vibration member is provided with first vibration teeth, an end portion of the second vibration member is provided with second vibration teeth matching the first vibration teeth, and the second vibration member is provided with a first stop member which matches a second stop member arranged in the first mounting hole. According to the present invention, vibration, interference loading, and high-temperature simulation can be performed, and ground tests of different types of mechanical stabilized platforms are achieved.

公开(公告)号：US20240133285A1

公开(公告)日：2024-04-25

申请号：US18402831

申请日：2024-01-03

Applicant: CHINA UNIVERSITY OF PETROLEUM

Inventor： Weiliang Wang ,  Yanfeng Geng ,  Mingzhu Shao ,  Huijie Xu ,  Mengyu Tu

IPC: E21B44/00 ,  E21B4/04 ,  E21B7/06 ,  E21B47/024 ,  G01D21/02

CPC classification number: E21B44/005 ,  E21B4/04 ,  E21B7/068 ,  E21B47/024 ,  G01D21/02 ,  E21B2200/20

Abstract: Provided are a method and device for fault estimation of a measurement and control device for a rotary steerable drilling system. The method for fault estimation includes: S1, establishing a state model of the measurement and control device for the rotary steerable drilling system; S2, establishing a fault-free model filter and a fault model filter, and initializing the fault-free model filter and the fault model filter; S3, detecting whether the measurement and control device for the rotary steerable drilling system has a fault; and S4, reinitializing the fault model filter under the condition that a detection result is fault-free; reinitializing the fault-free model filter under the condition that the detection result is faulty; and estimating, by the fault model filter, the fault in real time, and obtaining, by the fault model filter, the estimation value {circumflex over (x)}wf.

公开(公告)号：US11879817B2

公开(公告)日：2024-01-23

申请号：US18242684

申请日：2023-09-06

Applicant: CHINA UNIVERSITY OF PETROLEUM

Inventor： Weiliang Wang ,  Yanfeng Geng ,  Li Sheng ,  Jinming Tian ,  Minglei Li

IPC: G01M7/02 ,  G01M7/04 ,  E21B7/04

CPC classification number: G01M7/025 ,  G01M7/022 ,  G01M7/045 ,  E21B7/04

Abstract: The present invention belongs to the technical field of oil field drilling, and relates to a ground testing device for a stabilized platform of a rotary steerable drilling tool. The ground testing device includes: a first supporting member and a second supporting member that are oppositely arranged, where the second supporting member is provided with a first mounting hole; a drill collar and a drill collar motor mounted outside the first supporting member, where a motor shaft of the drill collar motor penetrates the first supporting member and is connected to the drill collar, and a stabilized platform mounting assembly is arranged inside the drill collar; and a first vibration member connected to the drill collar and a second vibration member arranged in the first mounting hole in a sleeved manner, where an elastic member is arranged between the second vibration member and the second supporting member, and the elastic member is arranged on the second vibration member in a sleeving manner. An end portion of the first vibration member is provided with first vibration teeth, an end portion of the second vibration member is provided with second vibration teeth matching the first vibration teeth, and the second vibration member is provided with a first stop member which matches a second stop member arranged in the first mounting hole. According to the present invention, vibration, interference loading, and high-temperature simulation can be performed, and ground tests of different types of mechanical stabilized platforms are achieved.

公开(公告)号：US09587440B2

公开(公告)日：2017-03-07

申请号：US14960527

申请日：2015-12-07

Applicant: China University of Petroleum

Inventor： Weiliang Wang ,  Yanfeng Geng ,  Zhidan Yan

IPC: E21B7/08 ,  E21B17/02 ,  E21B7/06 ,  E21B47/024

CPC classification number: E21B17/028 ,  E21B7/068 ,  E21B47/024

Abstract: The invention relates to a dynamic point-the-bit rotary steerable drilling tool and a measuring method thereof. The dynamic point-the-bit rotary steerable drilling tool comprises a rotary housing, a stabilized platform assembly, a hollow servo-motor assembly, a drilling fluid passage, an inner eccentric ring, an outer eccentric ring, a drilling bit shaft and a universal joint. The dynamic point-the-bit rotary steerable drilling tool also comprises a stabilized platform communication and power supply system which includes an instrument storehouse fixed at the upper end of the rotary housing, a main circuit board, an auxiliary circuit board mounted on the stabilized platform upper-end cover, an electromagnetic coupler primary-side, an electromagnetic coupler secondary winding and an electromagnetic coupler primary-side mounting plate fixed at the lower end of a coupler. The main circuit board is mounted on the electromagnetic coupler primary-side mounting plate, the electromagnetic coupler secondary winding is connected with the auxiliary circuit board, and the auxiliary circuit board is connected with the attitude sensor mounted on the side wall of the upper end of the stabilized platform body. By the dynamic point-the-bit rotary steerable drilling tool, hollow drilling fluid passage, power supply and signal transmission of the stabilized platform sensor, attitude angle parameter measurement and toolface angle real-time control of the rotary steerable drilling tool are realized.

Abstract translation: 本发明涉及一种动态点对位旋转可转向钻具及其测量方法。 动态点对位旋转可转向钻具包括旋转壳体，稳定平台组件，中空伺服电机组件，钻井液通道，内偏心环，外偏心环，钻头轴和通用 联合。 动态点对位旋转可转向钻具还包括稳定的平台通信和电源系统，其包括固定在旋转壳体的上端的仪器仓，主电路板，安装在稳定平台上的辅助电路板 上端盖，电磁耦合器初级侧，电磁耦合器次级绕组和固定在耦合器下端的电磁耦合器初级侧安装板。 主电路板安装在电磁耦合器初级侧安装板上，电磁耦合器次级绕组与辅助电路板连接，辅助电路板与安装在上端侧壁上的姿态传感器连接 稳定的平台体。 通过动态点位旋转可转向钻具，空心钻井液通道，稳定平台传感器的电源和信号传递，实现了旋转导向钻具的姿态角参数测量和刀面角度实时控制。

公开(公告)号：US20160281492A1

公开(公告)日：2016-09-29

申请号：US14960527

申请日：2015-12-07

Applicant: China University of Petroleum

Inventor： Weiliang Wang ,  Yanfeng Geng ,  Zhidan Yan

IPC: E21B44/00 ,  E21B17/02 ,  E21B47/12 ,  E21B47/024 ,  E21B7/06 ,  E21B4/20

CPC classification number: E21B17/028 ,  E21B7/068 ,  E21B47/024

Abstract: The invention relates to a dynamic point-the-bit rotary steerable drilling tool and a measuring method thereof. The dynamic point-the-bit rotary steerable drilling tool comprises a rotary housing, a stabilized platform assembly, a hollow servo-motor assembly, a drilling fluid passage, an inner eccentric ring, an outer eccentric ring, a drilling bit shaft and a universal joint. The dynamic point-the-bit rotary steerable drilling tool also comprises a stabilized platform communication and power supply system which includes an instrument storehouse fixed at the upper end of the rotary housing, a main circuit board, an auxiliary circuit board mounted on the stabilized platform upper-end cover, an electromagnetic coupler primary-side, an electromagnetic coupler secondary winding and an electromagnetic coupler primary-side mounting plate fixed at the lower end of a coupler. The main circuit board is mounted on the electromagnetic coupler primary-side mounting plate, the electromagnetic coupler secondary winding is connected with the auxiliary circuit board, and the auxiliary circuit board is connected with the attitude sensor mounted on the side wall of the upper end of the stabilized platform body. By the dynamic point-the-bit rotary steerable drilling tool, hollow drilling fluid passage, power supply and signal transmission of the stabilized platform sensor, attitude angle parameter measurement and toolface angle real-time control of the rotary steerable drilling tool are realized.

Abstract translation: 本发明涉及一种动态点对位旋转可转向钻具及其测量方法。 动态点对位旋转可转向钻具包括旋转壳体，稳定平台组件，中空伺服电机组件，钻井液通道，内偏心环，外偏心环，钻头轴和通用 联合。 动态点对位旋转可转向钻具还包括稳定的平台通信和电源系统，其包括固定在旋转壳体的上端的仪器仓，主电路板，安装在稳定平台上的辅助电路板 上端盖，电磁耦合器初级侧，电磁耦合器次级绕组和固定在耦合器下端的电磁耦合器初级侧安装板。 主电路板安装在电磁耦合器初级侧安装板上，电磁耦合器次级绕组与辅助电路板连接，辅助电路板与安装在上端侧壁上的姿态传感器连接 稳定的平台体。 通过动态点位旋转可转向钻具，空心钻井液通道，稳定平台传感器的电源和信号传递，实现了旋转导向钻具的姿态角参数测量和刀面角度实时控制。