WITSML Log
Well Name:		Well Identifier
Wellbore Name		Wellbore Identifier
Log Name		Log Identifier
Log Header
Service Company		Run Number
Description		Creation Date
Step Increment		Index
Index Curve: Mnemonic		Index Curve: Column
Start Index		End Index
Direction		Null Value
Log Header Parameters
Index Name Value Units Description
Log Curve Information
Index Mnemonic Class Units Alias Null Val Min Max State Type Offset Description

Log Data

Common Data
State (Plan/Actual)
Creation Time
Last Changed At
Comments

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec