The Umbilical Termination Head (UTH) is a box structure attached to the subsea production control umbilical armor termination. All the individual umbilical lines and cables are terminated inside. Hydraulic/Chemical services are terminated to a multiple quick-connect (MQC) junction plate. Electrical quad cables are terminated to an electrical termination assembly that splits the service to a group of bulkhead electrical connectors.
Up to 26 umbilical hydraulic/chemical lines and four electrical quad receptacle positions can be terminated into the standard UTH. Plumbing and points of failure are reduced as much as possible in the UTH to avoid having to retrieve the umbilical to repair a failed component.
If a small group of subsea trees (three or less) and the field layout and architecture permits, a single UTH and mudmat without a full UTA distribution system can be deployed and directly service the subsea field.