Patents by Inventor Steve L. Vasicek

Steve L. Vasicek 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).

  • Method of flowing viscous hydrocarbons in a single well injection/production system
    Patent number: 5123485
    Abstract: A method of heating produced fluid in a wellbore having multiple tubing strings. In the portion of the wellbore above the dual-string packer a portion of hot injection fluid is selectively flowed from the injection tubing string into the casing annulus where the production tubing is heated, and the flowing viscosity of fluids therein is lowered.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: June 23, 1992
    Assignee: Chevron Research and Technology Company
    Inventors: Steve L. Vasicek, John H. Duerksen