Patents by Inventor Ronald G. Whitten

Ronald G. Whitten 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 predicting drillstring sticking
    Patent number: 5181172
    Abstract: A method for predicting drillstring sticking while drilling a borehole includes evaluating the borehole severity for the drillstring at two or more measured bit depths, evaluating the rate of change of borehole severity with bit depth, and predicting the onset of drillstring sticking based on the magnitude of the rate of change of borehole severity with bit depth.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: January 19, 1993
    Assignee: Teleco Oilfield Services Inc.
    Inventor: Ronald G. Whitten
  • Method for determining the free point of a stuck drillstring
    Patent number: 4966234
    Abstract: A method for determining the free point of a stuck drillstring is disclosed. The method includes determining the hookload on the stuck drillstring, comparing the hookload on the stuck drillstring with the most recent hookload prior to drillstring sticking to determine the depth of the free point.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: October 30, 1990
    Assignee: Teleco Oilfield Services Inc.
    Inventor: Ronald G. Whitten