| Period | Oil spill characteristics (1985-2008) | |||||||||
| Cause | Statistics in barrels (bbl) | |||||||||
| Corrosion | Others | Production | Interdiction | YTD | No. | Quant. | Min. | Max. | Mean | |
| 1985-1988 | 5 | 4 | 14 | 3 | - | 26 | 12259 | 27 | 2761 | 471.5 |
| 1989-1992 | 17 | 3 | 23 | 14 | - | 57 | 22980 | 14 | 2134 | 403.1 |
| 1993-1996 | 37 | 1 | 46 | 18 | - | 102 | 21548 | 4 | 2043 | 211.2 |
| 1997-2000 | 19 | 5 | 32 | 19 | - | 75 | 15999 | 5 | 2000 | 212.3 |
| 2001-2004 | 7 | 4 | 22 | 24 | 6 | 63 | 15628 | 63 | 3500 | 248 |
| 2005-2008 | 28 | 1 | 17 | 62 | 12 | 120 | 41164 | 2 | 3012 | 343 |
| Total | 113 | 18 | 154 | 140 | 18 | 443 | 129578 |
|
|
|