Patents by Inventor Allen J. Owings

Allen J. Owings 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).

  • Pressure loss identifying apparatus and method for a drilling mud system
    Patent number: 4430892
    Abstract: Methods and means are disclosed for the monitoring of conditions in a mud circulation system as used in the drilling of oil and gas wells, and to quickly detect and indicate pressure failures that may occur in that system to thereby allow for the maximum time and opportunity for remedial action.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: February 14, 1984
    Inventor: Allen J. Owings
  • Method for locating the depth of a drill string washout or lost circulation zone
    Patent number: 4346594
    Abstract: For use in an oil well drilling system, methods are disclosed to determine the depth of drill string washouts and the depth of leach zones that cause lost circulation. The methods are based primarily on the circulating pressure of the drilling fluid at the surface within the standpipe.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: August 31, 1982
    Inventor: Allen J. Owings