Patents by Inventor John R. Whitworth

John R. Whitworth 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: 5794697
    Abstract: A system and a method for producing increased quantities of oil from an oil well producing a mixture of oil and gas through a well bore penetrating an oil bearing formation containing a gas cap zone and an oil bearing zone by separating at least a portion of the gas from the mixture of oil and gas downhole in an auger separator to produce a separated gas and an oil enriched mixture; compressing at least a portion of the separated gas downhole to a pressure greater than the pressure in the gas cap zone to produce a compressed gas; and, injecting the compressed gas into the gas cap and, recovering at least a major portion of the oil enriched mixture.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: August 18, 1998
    Assignee: Atlantic Richfield Company
    Inventors: John R. Wolflick, James L. Cawvey, Jerry L. Brady, John R. Whitworth, David D. Hearn