Definition(s)
Zero
Act of setting a dial indicating depth gauge for “zero depth”. Past tense is “zeroed”.
Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Act of setting a dial indicating depth gauge for “zero depth”. Past tense is “zeroed”.
Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards