Patents by Inventor Francois Black

Francois Black 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 device for initiating an explosive train
    Patent number: 9903695
    Abstract: A detonator device includes a mechanism for shifting between an out-of-line orientation, wherein initiation of a detonator does not result in initiation of the explosive train, and an in-line orientation, wherein initiation of the detonator results in initiation of the explosive train.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: February 27, 2018
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Kenneth Goodman, Francois Black, Allan Goldberg
  • Wellbore perforating devices
    Patent number: 8327746
    Abstract: Wellbore perforating devices are disclosed. In one example, a wellbore perforating device includes a plurality of shaped charges and a holder that holds the plurality of shaped charges so that upon detonation the charges intersect a common plane extending transversely to the holder.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: December 11, 2012
    Assignee: Schlumberger Technology Corporation
    Inventors: Lawrence A. Behrmann, Francois Black
  • PERFORATING GUN AND ARMING METHOD
    Publication number: 20120247771
    Abstract: The perforating gun and methods of arming a perforating gun facilitates electrically connecting an arming device carrying the detonator to the loading tube carrying the explosive charges prior to ballistically connecting the arming device to the loading tube. Subsequent to establishing electrical continuity across the loading tube and arming device, the arming device can be ballistically connected to the loading tube thereby arming the perforating gun.
    Type: Application
    Filed: March 23, 2012
    Publication date: October 4, 2012
    Inventors: Francois Black, Billy Anthony
  • WELLBORE PERFORATING DEVICES
    Publication number: 20100269676
    Abstract: Wellbore perforating devices are disclosed. In one example, a wellbore perforating device includes a plurality of shaped charges and a holder that holds the plurality of shaped charges so that upon detonation the charges intersect a common plane extending transversely to the holder.
    Type: Application
    Filed: April 16, 2010
    Publication date: October 28, 2010
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Lawrence A. Behrmann, Francois Black