Patents by Inventor Huajian WANG

Huajian WANG 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).

  • Electromagnetic reversal downhole pressure intensifier
    Patent number: 12276191
    Abstract: An electromagnetic reversal downhole pressure intensifier is provided, including a pressure intensifier and a drill bit. A nozzle and a bit water way are arranged on the drill bit, the pressure intensifier includes an electromagnetic valve seat, a pressurizing chamber, and a discharge flow pup joint; an electromagnetic valve is arranged in the electromagnetic valve seat, and an electromagnetic valve seat flow channel is arranged on the electromagnetic valve seat; a plunger is arranged in the pressurizing chamber, and the upper end of the plunger separates the inner chamber of the pressurizing chamber into a non-rod chamber and a rod chamber; a conveying pipe is arranged in the discharge flow pup joint, and a flow channel is formed between the conveying pipe and the discharge flow pup joint; the drill bit is connected to the discharge flow pup joint.
    Type: Grant
    Filed: June 12, 2024
    Date of Patent: April 15, 2025
    Assignees: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Qingdao Zhongshi Intelligent Drilling Techology Co. LTD
    Inventors: Hualin Liao, Yuhang He, Wenlong Niu, Jilei Niu, Huajian Wang, Yuntao Liao, Yucai Shi, Jinkai Chen
  • ELECTROMAGNETIC REVERSAL DOWNHOLE PRESSURE INTENSIFIER
    Publication number: 20250043635
    Abstract: An electromagnetic reversal downhole pressure intensifier is provided, including a pressure intensifier and a drill bit. A nozzle and a bit water way are arranged on the drill bit, the pressure intensifier includes an electromagnetic valve seat, a pressurizing chamber, and a discharge flow pup joint; an electromagnetic valve is arranged in the electromagnetic valve seat, and an electromagnetic valve seat flow channel is arranged on the electromagnetic valve seat; a plunger is arranged in the pressurizing chamber, and the upper end of the plunger separates the inner chamber of the pressurizing chamber into a non-rod chamber and a rod chamber; a conveying pipe is arranged in the discharge flow pup joint, and a flow channel is formed between the conveying pipe and the discharge flow pup joint; the drill bit is connected to the discharge flow pup joint.
    Type: Application
    Filed: June 12, 2024
    Publication date: February 6, 2025
    Inventors: Hualin LIAO, Yuhang HE, Wenlong NIU, Jilei NIU, Huajian WANG, Yuntao LIAO, Yucai SHI, Jinkai CHEN