Definition(s)
ASCSSV
Annulus Surface Controlled Sub-Surface Safety Valve – see also ASV.
Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global Standards
Source: 117 OLF, Norwegian Oil and Gas Association recommended guidelines for Well Integrity, No. 117, Revision No. 4, June 2011. Global Standards