Patents by Inventor William Trenholme

William Trenholme 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).

  • Treatment of subterranean formations
    Patent number: 11753583
    Abstract: A method of treating a subterranean formation by contacting the formation with the following: (a) an ammonium compound; (b) an oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) one or more acids, at least one of which is a bisulfate salt.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: September 12, 2023
    Assignee: INNOSPEC LIMITED
    Inventors: Ian Malcolm McRobbie, William Trenholme
  • Treatment of subterranean formations
    Patent number: 11739256
    Abstract: A method of treating a subterranean formation by contacting the formation with the following: (a) ammonium sulfamate; (b) an oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) an acid.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: August 29, 2023
    Assignee: INNOSPEC LIMITED
    Inventors: Ian Malcolm McRobbie, William Trenholme
  • TREATMENT OF SUBTERRANEAN FORMATIONS
    Publication number: 20220127521
    Abstract: A method of treating a subterranean formation by contacting the formation with the following: (a) ammonium compound; (b) an oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) sulfamic acid.
    Type: Application
    Filed: February 11, 2020
    Publication date: April 28, 2022
    Inventors: Ian Malcolm McRobbie, William Trenholme
  • TREATMENT OF SUBTERRANEAN FORMATIONS
    Publication number: 20220127519
    Abstract: A method of treating a subterranean formation by contacting the formation with the following: (a) ammonium compound; (b) an oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) sulfamic acid.
    Type: Application
    Filed: February 11, 2020
    Publication date: April 28, 2022
    Inventors: Ian Malcolm McROBBIE, William Trenholme
  • TREATMENT OF SUBTERRANEAN FORMATIONS
    Publication number: 20220127520
    Abstract: A method of treating a subterranean formation by contacting the formation with the following (a) ammonium bicarbonate; (b) and oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) an acid (AA).
    Type: Application
    Filed: February 11, 2020
    Publication date: April 28, 2022
    Inventors: Ian Malcolm McRobbie, William Trenholme
  • TREATMENT OF SUBTERRANEAN FORMATIONS
    Publication number: 20220127522
    Abstract: A method of treating a subterranean formation by contacting the formation with the following: (a) an ammonium compound; (b) an oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) one or more acids, at least one of which is a bisulfate salt.
    Type: Application
    Filed: February 11, 2020
    Publication date: April 28, 2022
    Inventors: Ian Malcolm McRobbie, William Trenholme