Patents Assigned to Sino-America Petroleum Equipment International, LLC
  • Patent number: 8628121
    Abstract: A system for use in a wellbore using a tubing string formed from a plurality of connected tubulars. The tubulars are connected by a tubular threaded seal connector. The tubular threaded seal connector includes a coupling body. A first seal engagement portion is formed on the coupling body adjacent to a first shoulder formed on a portion of the J-area, and second seal engagement portion is formed on the coupling body adjacent a second shoulder formed on another portion of the J-area.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: January 14, 2014
    Assignee: Sino-America Petroleum Equipment International, LLC
    Inventors: David B. Clark, Bryan Lane
  • Patent number: 8628120
    Abstract: The tubular threaded seal connector includes a coupling body for engaging a first pipe and a second pipe. A first coupling end is on the coupling body. A first chamfer is adjacent to the first coupling end.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: January 14, 2014
    Assignee: Sino-America Petroleum Equipment International, LLC
    Inventors: David B. Clark, Bryan Lane