Definition(s)
Quarter (Verb)
Mix and divide into four specimens to ensure homogeneity of specimens.
Source: API RP 13B-1, Recommended Practice for Field Testing Water-based Drilling Fluids, Fourth Edition, March 2009. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Mix and divide into four specimens to ensure homogeneity of specimens.
Source: API RP 13B-1, Recommended Practice for Field Testing Water-based Drilling Fluids, Fourth Edition, March 2009. Global Standards