Definition(s)
ISCWSA
Industry Steering Committee on Wellbore Survey Accuracy, SPE affiliated Wellbore Positioning Technical Section
Source: spe.org, iscwsa.net, Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Industry Steering Committee on Wellbore Survey Accuracy, SPE affiliated Wellbore Positioning Technical Section
Source: spe.org, iscwsa.net, Global Standards