Patents by Inventor Corbett I. Otwell

Corbett I. Otwell 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).

  • Technique for control of injection wells
    Patent number: 4374544
    Abstract: An injection well control method and apparatus controls fluid injection rates during secondary or tertiary petroleum recovery operations by monitoring bottomhole pressure adjacent an underground formation receiving the injected fluids while simultaneously adjusting the fluid injection rate to substantially reduce unwanted variations in said bottomhole pressure. The injection controller is further adapted for operation on a solar-powered circuit to eliminate the need for electrical power lines in remote geographical locations.
    Type: Grant
    Filed: September 19, 1980
    Date of Patent: February 22, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventors: Granval W. Westerman, Corbett I. Otwell