Definition(s)
UBD
Underbalanced drilling.
Source: OGP Report No. 476, Recommendations for enhancements to well control training, examination and certification, International Association of Oil & Gas Producers, October 2012. Global Standards
Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards
Source: Oil & Gas UK, Guidelines on subsea BOP systems, Issue 1, July 2012, Global Standards