US Patent 11555564 System and method for auxiliary line connections

A system for coupling a first pipe segment to a second pipe segment includes a pin end including a flange. The system includes a box end having a recess configured to receive the pin end, a face of the box end abutting the flange. The system includes a coupling assembly joining the first pipe segment to the second pipe segment including a split ring arranged proximate the flange and a sleeve, wherein threads of the sleeve engage first mating threads on the split ring and second mating threads on the box end.