Patents by Inventor David E. Meeh

David E. Meeh 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).

  • Oxygen activation downhole tool
    Patent number: 5094808
    Abstract: The invention relates to an apparatus for detecting and measuring water production in oil and gas wells and in injection wells, involving a neutron source for activating oxygen atoms in any water produced or injected in the well, and a plurality of detectors, at least three (3) but preferably four (4), longitudinally spaced within the housing for detecting and counting gamma ray emissions resulting from the oxygen activation.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: March 10, 1992
    Assignee: Schlumberger Technology Corporation
    Inventor: David E. Meeh