Patents Assigned to Phoenix Technology Services, LP
  • Gap sub assembly
    Patent number: 7255183
    Abstract: The gap sub assembly comprises a pair of electrically conductive subs. Each sub has a threaded pin and box. A pin and box are threaded together to form a connection. An electrically insulating, woven fabric overlies and conforms with the threads of the connection pin. An electrically insulating, annular washer separates the seal faces of the connection. The assembly functions to provide an electrical discontinuity when incorporated into a conductive drill string.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: August 14, 2007
    Assignee: Phoenix Technology Services, LP
    Inventor: David Cramer