Electrical Abbreviations and Acronyms

1. ONAN
   Oil Natural Air Natural (cooling method)
2. ONRR
   Office of Natural Resources Revenue
3. ONTARIO
   IESO Ontario Independent Electricity System Operator (Canada)
4. OOC
   Offshore Operators Committee
5. OOD
   Officer of The Deck
6. OOE
   Offshore Operation Engineer
7. OOIP
   Original Oil In Place
8. OOT
   Out of Tolerance
9. OOTW
   Officer of The Watch
10. OOW
    Officer of The Watch
11. OP
    Operating Procedure
12. OPA
    US Oil Pollution Act of 1990
13. OPEC
    Organization of Petroleum Exporting Countries
14. OPEC
    Organisation of Petroleum Exporting Countries
15. OPEC
    Organization of Petroleum-Exporting Countries (oil)
16. OPEX
    Operating Expenditure
17. OPITO
    Offshore Petroleum Industry Training Organization
18. OPL
    Operations Log
19. OPPR
    Oil Pollution Preparedness and Response
20. OPR
    Office of Planning and Research

Last updated: May 24, 2020 — Total entries: 4,132