| Code | Description |
| PSDV | PRODUCTION SHUTDOWN VALVE |
| SDV | SHUT DOWN VALVE |
| SSV | SURFACE SAFETY VALVE |
| SCSSV | Surface Controlled Subsurface Safety Valve |
| SSCV | SUBSURFACE CONTROL VALVE |
| SSIV | SUBSEA ISOLATION VALVE |
| HFL | Hydraulic/Chemical flying lead |
| EFL | Electrical flying lead |
| EHFL | Electro-Hydraulic Flying Lead |
| EOFL | Electro-Optic Flying Lead |
| OFL | Optic Flying Lead |
| MPFL | Multi-Purpose Flying Lead |
| UJ | Dynamic Umbilical |
| UK | Static Umbilical |
| UL | Integrated Pipeline Umbilical |
| EB | Accumulator Batteries |
| JF | Safety integrated System (SIS), Fire and Gas detection equipment, Fire Adressable Control Panel (FACP) |
| BE | FLAME DETECTOR |
| CN | Active carbon filter |
| CK | Basket Strainer |