Definition(s)
Down Surge
Line or vessel pressure surge, which is negative because its magnitude is below the normal operating pressure of the line or vessel.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Line or vessel pressure surge, which is negative because its magnitude is below the normal operating pressure of the line or vessel.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards