A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – R – S – T – U – V – W – X
| JLT | J Lay Tower |
| JU | Jackup |
| JU | Jack-Up drilling rig |
| JHA | Job hazard analysis |
| JSA | Job safety analysis. Reviews site-specific detailed job hazards. In the final CFR 30 Part 250 subpart S rule, BSEE replaced references to JHAs with references to JSAs. |
| JSP | Job safety plan |
| JIP | Joint industry project |
| JITF | Joint industry task force |
| JIB | Joint Interest Billing |
| JV | Joint venture |
| JVP | Joint Venture Partners/Participants |
| J | Joule |
| JT | Joule-Thomson (effect/valve/separator) |
| JB | Junk Basket |
| J&A | Junked and Abandoned |
| JIT | Just in time |