Patents by Inventor Engel Van Spronsen

Engel Van Spronsen 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).

  • Down hole equipment removal system
    Patent number: 9097078
    Abstract: A method for removing downhole equipment installed in a well includes introducing an equipment dissolution mixture around the downhole equipment. The dissolution mixture includes one or more chemicals and/or materials suitable for the substantial dissolution of the downhole equipment.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: August 4, 2015
    Assignee: MAERSK OLIE OG GAS A/S
    Inventors: Michael Jensen, Wilhelmus Hubertus Paulus Maria Heijnen, Engel Van Spronsen
  • DOWN HOLE EQUIPMENT REMOVAL SYSTEM
    Publication number: 20120061096
    Abstract: The present invention provides a practical method capable of substantially removing downhole equipment by dissolving it with a chemical. The method comprises introducing an equipment dissolution mixture comprising one or more chemicals and/or materials suitable for the substantial dissolution of the downhole equipment.
    Type: Application
    Filed: November 18, 2009
    Publication date: March 15, 2012
    Inventors: Michael Jensen, Wilhelmus Hubertus Paulus Maria Heijnen, Engel Van Spronsen