Patents by Inventor Eric A. Veignat

Eric A. Veignat 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).

  • Sinker bar for cable-operated well apparatus
    Patent number: 6170570
    Abstract: The invention provides a sinker bar for use with a hydrocarbon well apparatus connected to an operating cable through a cable head. The sinker bar includes a bar provided with a longitudinal slot. This slot is adapted to permit lateral engagement of the bar onto the cable, and to connect at one of its ends at the cable head. The bar may also be adapted to connect at its other end to a fishing head. The connection may be twist locked. The invention is applicable in particular with production logging apparatus.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: January 9, 2001
    Assignee: Schlumberger Technology Corporation
    Inventors: Laurent J. Aguesse, Jean-Pierre Chyzak, Eric A. Veignat