Patents by Inventor Junqing CHAI

Junqing CHAI 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).

  • Publication number: 20240125320
    Abstract: The present invention relates to a high-power five-cylinder drilling pump set, a solid control system and a drilling rig, which belongs to a technical field of oil drilling equipment. The high-power five-cylinder drilling pump set includes: a base, a drilling pump arranged on the base, and a lubricating system arranged on the base, wherein the drilling pump comprises a transmission assembly, a power end assembly and a hydraulic end assembly; the lubricating system comprises a power end lubricating system for lubricating and cooling the transmission assembly as well as the power end assembly, and a hydraulic end lubricating system for lubricating and cooling the hydraulic end assembly. According to the present invention, the high-power five-cylinder drilling pump set has a modular entire structure. In terms of the spatial layout, the present invention can effectively reduce the excessive size of conventional drilling pump or drilling pump structure.
    Type: Application
    Filed: January 25, 2022
    Publication date: April 18, 2024
    Inventors: Fangfang Zhang, Jian Cheng, Junqing Chai, Mingpeng Tang, Hui Zeng
  • Patent number: 11603720
    Abstract: The present disclosure provides a method for running a drilling rig or a workover rig including a plurality of stands into a wellbore. In step 1, position information of the stands in a finger board area may be recorded with a control system. In step 2, the stands may be placed. In step 3, a position of a traveling block may be adjusted so as to move a power elevator to a second waiting position of a racking platform. In step 4, the stands may be pushed with the pipe racking device. In step 5, the second stand may be moved and stabbed in the first stand with an iron floor man. In step 6, a joint between the first stand and the second stand may be made up. In step 7, the traveling block may be moved downward. In step 8, the traveling block may be moved upward.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: March 14, 2023
    Assignee: SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
    Inventors: Junqing Chai, Yan Lyu, Liangliang Liang, Aimin Tang, Zhenghua Wu
  • Patent number: 11286731
    Abstract: A pipe racking system includes a diving board having a guide rail, a trolley, a manipulator, and a gripper. The trolley has two sides being mounted to the diving board via the guide rail and being driven by a rack and pinion member. The gripper is connected to an end of the manipulator away from the trolley. The trolley includes two pairs of combined bearings and two pairs of eccentric wheels. The gripper is configured to grip a tubular subject and include two opposing flippers, two first electric putters, and two springs. The two first electric putters is configured to control the two flippers. One end of each spring of the two springs is connected to a flipper of the two flippers and the other end of the each spring is connected to a push rod of a first electric putter of the two first electric putters.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: March 29, 2022
    Assignee: SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
    Inventors: Ying Li, Xiaohu Li, Lin Wang, Xiaowu Ou, Aimin Tang, Qionghua Yang, Junqing Chai, Yan Lyu
  • Publication number: 20220074275
    Abstract: The present disclosure provides a method for running a drilling rig or a workover rig including a plurality of stands into a wellbore. In step 1, position information of the stands in a finger board area may be recorded with a control system. In step 2, the stands may be placed. In step 3, a position of a traveling block may be adjusted so as to move a power elevator to a second waiting position of a racking platform. In step 4, the stands may be pushed with the pipe racking device. In step 5, the second stand may be moved and stabbed in the first stand with an iron floor man. In step 6, a joint between the first stand and the second stand may be made up. In step 7, the traveling block may be moved downward. In step 8, the traveling block may be moved upward.
    Type: Application
    Filed: July 21, 2021
    Publication date: March 10, 2022
    Applicant: SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
    Inventors: Junqing CHAI, Yan LYU, Liangliang LIANG, Aimin TANG, Zhenghua WU