Patents by Inventor Ben N. Wang

Ben N. Wang 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).

  • Oil recovery process employing horizontal and vertical wells in a modified inverted 5-spot pattern
    Patent number: 5320170
    Abstract: A method of recovering hydrocarbons from underground formations by employing a modified inverted 5-spot well pattern, which comprises drilling four substantially horizontal wells located along each of the four sides of an inverted 5-spot vertical well pattern, injecting an oil recovery fluid through the central injection well, producing hydrocarbons and other fluids through the vertical corner production wells, ceasing production through the vertical corner wells, and producing hydrocarbons and other fluids through the horizontal wells.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: June 14, 1994
    Assignee: Texaco Inc.
    Inventors: Wann-Sheng Huang, Jack J. Hsu, Ben N. Wang