Patents by Inventor Herbert G. Weinstein

Herbert G. Weinstein 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 for reduced water coning in a horizontal well during heavy oil production
    Patent number: 5297627
    Abstract: A method to reduce water coning in viscous oil formations during primary oil production wherein a horizontal wellbore is heated by circulating steam therein thereby heating a radial area near the wellbore. Near wellbore heating alters a pressure profile in the radial area near the wellbore. Reduced inflow pressure gradients near the wellbore flatten out a pressure sink associated with the wellbore. This reduces substantially water coning which allows more oil to be produced before high water production begins.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: March 29, 1994
    Assignee: Mobil Oil Corporation
    Inventors: J. Michael Sanchez, Herbert G. Weinstein