Definition(s)
LAHH
High-High Liquid Level Alarm.
Source: API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
High-High Liquid Level Alarm.
Source: API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards