4 of 4 codes

Code Means Normalised Valid
1 Horizontal A horizontal lateral. Horizontal always
2 Directional Deviated but not horizontal. Directional always
3 Vertical A vertical hole. Vertical always
4 Sidetrack Drilled out of the side of an existing hole. Sidetrack always

Where this mapping came from: OilGasDataProcessing process_completions.packetData, inline wellbore_profile map (CMPL packet field 40)