OSDU Data Definition Documentation OSDU DATA DEFINITION DOCUMENTATION Access to OSDU Data Definition documentation via Data Domains Generic Legal Agreement Data Quality Entitlements Environment Location Organisation Process Safety Project/Activity/Study Lifecycle Catalogs Subsurface Geology / Petrophysics Geophysics Reservoir Well Well Wellbore Completion Well Plan Well Activity Materials Well Equipment Surface Facilities Process Facility Process Equipment Facility & Equipment Operations Production Production Accounting Production Optimization Production Forecast