Definition(s)
DOL
U. S. Department of Labor.
Source: API RP 49, Recommended Practice for Drilling and Well Servicing Operations Involving Hydrogen Sulfide, Third Edition, May 2001. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
U. S. Department of Labor.
Source: API RP 49, Recommended Practice for Drilling and Well Servicing Operations Involving Hydrogen Sulfide, Third Edition, May 2001. Global Standards