7 of 7 codes

Code Means Normalised Valid
1 Disposal into a nonproductive zone Permitted on Form W-14. always
2 Disposal into a productive zone Permitted on Form H-1. always
3 Secondary or tertiary recovery Enhanced recovery injection. always
4 Miscellaneous types See the injection type comment. always
5 R95 liquid storage — salt formation always
6 R96 gas storage — reservoir always
7 R97 gas storage — salt formation always

Columns that use these codes

Dataset Column Meaning
UIC Database (ASCII) type_inj What is being injected and why. The vocabulary changed on 1 June 1995 — codes 4-7 mean different things before and after.

Where this mapping came from: RRC manual UIA010, data-item note on UIC-TYPE-INJ, 'NEW TYPES AS OF 06/01/95'