Patents by Inventor Richard M. Gehle

Richard M. Gehle 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).

  • Formation squeeze monitor apparatus
    Patent number: 5105881
    Abstract: A fluid squeeze monitor downhole tool and a method of monitoring formation squeeze features a tool body that can be placed downhole at a desired elevational location to produce a controlled, localized reduction of pressure head and measure the resultant inward displacement of the borehole wall. The reduction in head is accomplished by draining the fluid in a bladder (or collapsible container) located on the tool body into a reservoir "sump" that is incorporated into the downhole tool.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: April 21, 1992
    Assignee: AGM, Inc.
    Inventors: Robert L. Thoms, Richard M. Gehle