2 of 2 codes

Oil or gas well type (completion packet) — 2 of 2 codes, each with its meaning, normalised form and the years it is valid for
Code Means Normalised Valid
1 Gas Well Classified as a gas well. Gas Well always
2 Oil Well Classified as an oil well. Oil Well always

Where this mapping came from: OilGasDataProcessing process_completions.packetData, inline oil_gas_type_code map (CMPL packet field 46)