Patents by Inventor Sirui CHEN

Sirui CHEN 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: 10961441
    Abstract: The invention provides an acidizing solution for dissolution of a clay mineral and a preparation method thereof. The acidizing solution comprises hydrochloric acid, fluoboric acid, acetic acid, trifluoroacetic acid, hydrogen peroxide, ammonium chloride, dimethylamino-methylbenzotriazole, alkyl ammonium chloride, and polymethylacrylic acid. The acidizing solution provided by the invention can effectively dissolve organic matter, such as clay minerals and cements, in a high-temperature oil-gas reservoir over 160° C., inhibit swelling and migration of clay particles in the presence of water in the acidizing process, avoid secondary deposition of the reservoir, and improve the permeability of the reservoir. The acidizing solution can be prepared and used on the field conveniently and is safe and reliable.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: March 30, 2021
    Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
    Inventors: Xiyu Qu, Sirui Chen, Xiaofang Dong, Longwei Qiu, Guanmin Wang, Yangchen Zhang
  • Publication number: 20210054261
    Abstract: The invention provides an acidizing solution for dissolution of a clay mineral and a preparation method thereof. The acidizing solution comprises hydrochloric acid, fluoboric acid, acetic acid, trifluoroacetic acid, hydrogen peroxide, ammonium chloride, dimethylamino-methylbenzotriazole, alkyl ammonium chloride, and polymethylacrylic acid. The acidizing solution provided by the invention can effectively dissolve organic matter, such as clay minerals and cements, in a high-temperature oil-gas reservoir over 160° C., inhibit swelling and migration of clay particles in the presence of water in the acidizing process, avoid secondary deposition of the reservoir, and improve the permeability of the reservoir. The acidizing solution can be prepared and used on the field conveniently and is safe and reliable.
    Type: Application
    Filed: November 20, 2018
    Publication date: February 25, 2021
    Inventors: Xiyu QU, Sirui CHEN, Xiaofang DONG, Longwei QIU, Guanmin WANG, Yangchen ZHANG
  • Patent number: D980341
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: March 7, 2023
    Assignees: SHANTOU CHENGHAI HENGDE TOYS FACTORY
    Inventor: Sirui Chen
  • Patent number: D1038423
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: August 6, 2024
    Assignee: SHENZHEN S-HANDE TECHNOLOGY CO., LTD.
    Inventor: Sirui Chen