Patents by Inventor Yingju PEI

Yingju PEI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12264544
    Abstract: A downhole traction system includes a driving system and a downhole wheeled tractor. The driving system is connected with the downhole wheeled tractor; the downhole wheeled tractor comprises a tractor body, a power unit and a plurality of traction units; the plurality of traction units are arranged along the extension direction of the tractor body; each of the traction units comprises a driving arm, a supporting arm, a supporting wheel, a driving assembly and a supporting assembly; the driving arm and the supporting arm are movably connected with the tractor body; and the supporting wheel is connected with the driving arm and the supporting arm. When the supporting assembly drives the supporting arm to extend along the radial direction of the tractor body under the hydraulic drive action of the hydraulic power unit, the supporting wheel can be abutted against the well wall.
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: April 1, 2025
    Assignee: Chengdu University of Technology
    Inventors: Jianguo Zhao, Qingyou Liu, Haiyan Zhu, Min Wan, Guorong Wang, Xuecheng Dong, Xu Luo, Yingju Pei, Xingming Wang
  • Publication number: 20240360733
    Abstract: A downhole traction system includes a driving system and a downhole wheeled tractor. The driving system is connected with the downhole wheeled tractor; the downhole wheeled tractor comprises a tractor body, a power unit and a plurality of traction units; the plurality of traction units are arranged along the extension direction of the tractor body; each of the traction units comprises a driving arm, a supporting arm, a supporting wheel, a driving assembly and a supporting assembly; the driving arm and the supporting arm are movably connected with the tractor body; and the supporting wheel is connected with the driving arm and the supporting arm. When the supporting assembly drives the supporting arm to extend along the radial direction of the tractor body under the hydraulic drive action of the hydraulic power unit, the supporting wheel can be abutted against the well wall.
    Type: Application
    Filed: November 14, 2023
    Publication date: October 31, 2024
    Inventors: Jianguo ZHAO, Qingyou LIU, Haiyan ZHU, Min WAN, Guorong WANG, Xuecheng DONG, Xu LUO, Yingju PEI, Xingming WANG
  • Patent number: 12110794
    Abstract: Provided is a two-stage reverse-torque bent screw orientation tool. An existing bent screw orientation technology has the technical problems of large friction resistance, difficult control of a borehole track, a low drilling speed and the like, and restricts economic, safe and long-acting development of oil and gas. In order to solve the above problems, the two-stage reverse-torque bent screw orientation tool is invented and composed of a first-stage clutch mechanism and a second-stage clutch mechanism, and the first-stage clutch mechanism and the second-stage clutch mechanism are both composed of a battery, a battery compartment, a pressure sensor, an electromagnetic valve, a body, a plug, a piston, an outer tooth cylinder, an inner tooth cylinder, a transmission cylinder, a connecting cylinder, a bearing, a limiting cylinder, a lower joint, a thrust bearing, a battery compartment, a circuit board, a cover plate and the like.
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: October 8, 2024
    Assignee: Chengdu University of Technology
    Inventors: Qingyou Liu, Jianguo Zhao, Guorong Wang, Haiyan Zhu, Xuecheng Dong, Xingming Wang, Xu Luo, Yingju Pei, Xianwei Dai
  • Publication number: 20240310861
    Abstract: A method, an apparatus and a system for automatically adjusting an opening degree of a fluid control valve, relating to the technical field of oil and gas exploration and development. The method includes: establishing a fluid control valve having an orifice structure in oil and gas production; using a numerical simulation method to obtain the influence law of minimum opening degree adjustment step on oil and gas production; obtaining relevant production test data of the oil and gas well, and calculating the total oil and gas production and the oil and gas production of each production layer based on the production test data of the oil and gas well; dividing the production layer segments into high, middle and low-production layers according to the production ratio of each production layer segment; respectively calculating the average productions of the high, middle and low-production layers.
    Type: Application
    Filed: January 19, 2024
    Publication date: September 19, 2024
    Inventors: Jianguo ZHAO, Penghui LIANG, Qingyou LIU, Guorong WANG, Haotian ZHENG, Hanxiu PENG, Min WAN, Gang HU, Xu LUO, Yingju PEI, Xingming WANG, Xianwei DAI, Xuanhe TANG, Lei TAO
  • Publication number: 20240093554
    Abstract: Provided is a two-stage reverse-torque bent screw orientation tool. An existing bent screw orientation technology has the technical problems of large friction resistance, difficult control of a borehole track, a low drilling speed and the like, and restricts economic, safe and long-acting development of oil and gas. In order to solve the above problems, the two-stage reverse-torque bent screw orientation tool is invented and composed of a first-stage clutch mechanism and a second-stage clutch mechanism, and the first-stage clutch mechanism and the second-stage clutch mechanism are both composed of a battery, a battery compartment, a pressure sensor, an electromagnetic valve, a body, a plug, a piston, an outer tooth cylinder, an inner tooth cylinder, a transmission cylinder, a connecting cylinder, a bearing, a limiting cylinder, a lower joint, a thrust bearing, a battery compartment, a circuit board, a cover plate and the like.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 21, 2024
    Inventors: Qingyou LIU, Jianguo ZHAO, Guorong WANG, Haiyan ZHU, Xuecheng DONG, Xingming WANG, Xu LUO, Yingju PEI, Xianwei DAI