Patents by Inventor Efraim Dory

Efraim Dory 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 and apparatus for imaging a borehole sidewall
    Patent number: 5502686
    Abstract: A method for concurrently gathering acoustic and resistivity data for mapping the texture of the sidewall of a borehole using a single imaging tool. The data are sampled, formatted and merged to provide a single composite image of the borehole sidewall.
    Type: Grant
    Filed: August 1, 1994
    Date of Patent: March 26, 1996
    Assignee: Western Atlas International
    Inventors: Efraim Dory, Martin Evans, Albert A. Alexy