Patents Assigned to DELPHIAN BALLISTICS LIMITED
  • Perforating gun assembly and method of forming wellbore perforations
    Patent number: 9441438
    Abstract: A perforating gun assembly used to form perforations in a wellbore includes a charge carrier having a longitudinal axis, and multiple groups of shaped charges that are disposed on the charge carrier. Two or more of the shaped charges within each group are arranged to generate jets oriented substantially along respective axes that converge towards one another. Also, two or more of the groups of shaped charges overlap one another in a longitudinal direction of the charge carrier.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: September 13, 2016
    Assignee: DELPHIAN BALLISTICS LIMITED
    Inventors: Simon Douglas Eardly Allison, Jörn Olaf Löhken, Liam McNelis