Most Expensive Accidents
| Incident | Cost (2002 US$) | |
|---|---|---|
 |
1. Piper Alpha Occidental's Piper Alpha platform was destroyed by explosion and fire in 1988. 167 workers were killed in the blaze. |
$1,270,000,000 |
 |
2. Petrobras P36 In 2001, an explosion destabilised the P36 production rig in the Campos Basin, Brazil, eventually causing it to sink. |
$515,000,000 |
 |
3. Enchova Central Petrobras' Enchova PCE-1 Platform suffered twice with blowouts and fire in both 1984 and 1988, ending with the loss of the platform in 1988. |
$461,000,000 |
 |
4. Sleipner A A design error resulted in the structural failure in 1991 of the gravity base unit of the original Sleipner A platform. |
$365,000,000 |
| 5. Mississippi Canyon 311 A (Bourbon) In 1987, the Mississippi Canyon 311 A Bourbon platform in the Gulf of Mexico was tilted to one side by an extensive underground blowout. |
$274,000,000 | |
 |
6. Mighty Servant 2 The Mighty Servant 2 struck a rock and sank off Indonesia whilst carrying platform modules in 1999. |
$220,000,000 |
 |
7. Mumbai (Bombay) High North A support vessel collided with Mumbai High North in 2005, rupturing a riser and causing a major fire which destroyed the platform. |
$195,000,000 (2005) |
 |
8. Steelhead Platform A blowout in 1987 led to six months of trouble for the Steelhead Platform, resulting in fire and extensive platform damage. |
$171,000,000 |
| 9. Name not known 1993: Explosion and fire destroyed a platform control room and damaged adjacent platforms on Lake Maracaibo, Venezuela, with eleven fatalites. |
$122,000,000 | |
 |
10. Petronius A In 1998, a crane load line broke while lifting the south topside module of the Petronius platform, dropping the module into the Gulf of Mexico. |
$116,000,000 |
Source:
MARSH: 100 Largest Losses 
