| Cavern |
Capacity(thousands of barrels) |
Seg. No. |
General Description |
| 3 |
7312 |
5 |
Arabian Light (ABL) |
| 4 |
- |
14 |
MARS Blend (MRB) |
| 7 |
- |
14 |
MARS Blend (MRB) |
| 8 |
7621 |
17 |
Arabian Medium (ABM), Kuwait (KUW) and Basrah Light (BAS) |
| 10 |
7860 |
20 |
Bonny Light (BNL), Qua Iboe (QUA) and Forcados (FOR) |
| 11 |
7946 |
- |
Idle |
| 12 |
4315 |
11 |
Maya (MAY) |
| 15 |
- |
26 |
ThunderHorse Blend (THB) |
Note: Lighter gravity crude may be layered over heavier crude. Once a cavern has been "layered", the "bottom" or assigned crude remains undeliverable until the lighter crude has been delivered.