Patents Assigned to Chengdu OMAX Petroleum Technology Co., Ltd
  • High-temperature retarder suitable for oil and gas well cementation, preparation method thereof and cementing slurry
    Patent number: 10858571
    Abstract: The present disclosure relates to a high-temperature retarder suitable for oil and gas well cementation, a preparation method thereof and a cementing slurry.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: December 8, 2020
    Assignees: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), CHENGDU OMAX PETROLEUM TECHNOLOGY CO., LTD
    Inventors: Chengwen Wang, Yucheng Xue, Wei Zhou, Ruihe Wang, Jinsheng Sun, Yong Li, Changqiang Tang
  • HIGH-TEMPERATURE RETARDER SUITABLE FOR OIL AND GAS WELL CEMENTATION, PREPARATION METHOD THEREOF AND CEMENTING SLURRY
    Publication number: 20200239760
    Abstract: The present disclosure relates to a high-temperature retarder suitable for oil and gas well cementation, a preparation method thereof and a cementing slurry.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 30, 2020
    Applicants: China University of Petroleum (East China), Chengdu OMAX Petroleum Technology Co., Ltd
    Inventors: Chengwen Wang, Yucheng Xue, Wei Zhou, Ruihe Wang, Jinsheng Sun, Yong Li, Changqiang Tang