Definition(s)
Hard Shut In
To close in a well with the bop having the choke or choke line valve closed.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
To close in a well with the bop having the choke or choke line valve closed.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards