Patents by Inventor Joseph Matthew Marks

Joseph Matthew Marks 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).

  • Small hole retrievable perforating system for use during extreme overbalanced perforating
    Patent number: 5799732
    Abstract: A slickline conveyed perforating method and apparatus is adapted to be disposed in an extremely small diameter cased borehole, especially during extreme overbalanced perforating conditions, and the apparatus includes one or more shock absorbed pressure and temperature measurement gauges adapted for measuring the pressure and temperature in the small diameter cased borehole before, during, and after the perforating operation. An "extremely small diameter" borehole is defined as a borehole which has a diameter that is always less than the diameter of any production tubing which would normally be inserted into the borehole.
    Type: Grant
    Filed: January 31, 1996
    Date of Patent: September 1, 1998
    Assignee: Schlumberger Technology Corporation
    Inventors: Jose Antonio Gonzalez, Joseph Matthew Marks