Patents by Inventor Yuelong ZHANG

Yuelong ZHANG 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).

  • Temporary plugging agent and preparation method thereof, and method for temporary plugging and fracturing of high-temperature reservoir
    Patent number: 11945995
    Abstract: Disclosed are a temporary plugging agent and a preparation method thereof, and a method for temporary plugging and fracturing of a high-temperature reservoir. The temporary plugging agent includes the following components in mass fractions: acrylamide 5%, composite crosslinking agent 1%, laponite 1%, ammonium persulfate 0.1% and water 92.9%.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: April 2, 2024
    Assignee: CHINA UNIVERSITY OF PETROLEUM
    Inventors: Tiankui Guo, Yuelong Zhang, Zengbao Wang, Ning Qi, Mingliang Luo, Feipeng Wu, Ming Chen, Xiaoqiang Liu, Jiwei Wang, Xiaozhi Wang, Yuanzhi Gong
  • TEMPORARY PLUGGING AGENT AND PREPARATION METHOD THEREOF, AND METHOD FOR TEMPORARY PLUGGING AND FRACTURING OF HIGH-TEMPERATURE RESERVOIR
    Publication number: 20220195284
    Abstract: Disclosed are a temporary plugging agent and a preparation method thereof, and a method for temporary plugging and fracturing of a high-temperature reservoir. The temporary plugging agent includes the following components in mass fractions: acrylamide 5%, composite crosslinking agent 1%, laponite 1%, ammonium persulfate 0.1% and water 92.9%.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 23, 2022
    Inventors: Tiankui GUO, Yuelong ZHANG, Zengbao WANG, Ning QI, Mingliang LUO, Feipeng WU, Ming CHEN, Xiaoqiang LIU, Jiwei WANG, Xiaozhi WANG, Yuanzhi GONG
  • WIFI Hotspot Connection and Selection Method, Communications Terminal and System
    Publication number: 20170094692
    Abstract: The present document discloses a method for connecting and selecting a WIFI hotpot, a communication terminal and system. A communication terminal selects and connects to a WIFI hotpot without encryption; and sends preset verification information to a network server; and after receiving verification information and comparing with locally-preset verification information, the network server feeds back verification information to the communication terminal when the received verification information is consistent with the locally-preset verification information; and the communication terminal receives verification information fed back by the network server and compares with locally-preset verification information, then keeps the connection with the WIFI hotpot when the verification information fed back by the network server is consistent with the locally-preset verification information.
    Type: Application
    Filed: June 24, 2014
    Publication date: March 30, 2017
    Inventor: Yuelong ZHANG