UH Drill-Through Wellheads
The term Unihead was trademarked over 25 years ago as an indication of a "through-bore" wellhead system – only one load shoulder through the wellhead. Because of the straight-bore, drill-through design, Unihead wellheads are faster to install than conventional wellhead systems. Available in multiple or single head configurations, Unihead technology fits virtually any surface wellhead application. Unihead time-saving wellheads save an average 20 hours per installation.

- UH-1 Drill-Through Unihead System
- UH-2 Drill-Through Unihead System
- UH-3 Drill-Through Unihead System
- UH-4 Drill-Through Unihead System
- UH-15 Drill-Through Unihead System

For more information:
http://www.fmctechnologies.com/en/SurfaceWellhead/Technologies/Drill-ThruWellheads.aspx