U
- UBI – Ultrasonic Borehole Imager
- UBIRE – Ultrasonic Borehole Imager Report
- UCSU – Upstream Commissioning and Start-Up
- UFJ – Upper Flex Joint
- UGF – Universal Guide Frame
- UIC – Underground Injection Control
- UKCS – United Kingdom Continental Shelf
- UKOOA – United Kingdom Offshore Operators Association
- UKOOG – United Kingdom Onshore Operators Group
- ULCGR – Uncompressed LDC CNL Gamma Ray Log
- UMCA – Umbilical Midline Connection Assembly
- UMV – Upper Master Valve (from a Xmas tree)
- UPR – Upper Pipe Ram
- URT – Universal Running Tool
- USGS – United States Geological Survey
- UTA – Umbilical Termination Assembly
- UTM – Universal Transverse Mercator
- UWI – Unique Well Identifier
- UWILD – Underwater Inspection in Lieu of Dry Docking
Read more about this topic: List Of Oil Field Acronyms