|Five Worst Blowouts||Volume Released|
|1. Sedco 135F and the IXTOC-1 Well
In 1979, the IXTOC-1 blowout flowed uncontrollably in the Bahia de Campeche, Mexico until it was capped 9 months later.
|2. Ekofisk Bravo Platform
Phillips Petroleum's Ekofisk B platform experienced an 8-day oil and gas blowout in 1977 during a production well workover.
|3. Funiwa No. 5 Well
Oil from the 1980 Funiwa 5 blowout polluted the Niger Delta for 2 weeks, followed by fire and the eventual bridging of the well.
|4. Hasbah Platform Well 6
Drilled in 1980 by the Ron Tappmeyer jack-up, exploratory well No. 6 blew out in the Persian Gulf for 8 days and cost the lives of 19 men.
|5. Union Oil Platform Alpha Well A-21
The 1969 Union Oil Platform A blowout lasted 11 days but continued leaking oil into the Santa Barbara Channel for months afterwards.
|Other Notable Blowouts||Remarks|
A blowout and fire in 2004 destroyed both the Adriatic IV jack-up and Temsah gas platform off the Egyptian coast.
Santa Fe's Al Baz jack-up burned and sank after a blowout in 1989 with the loss of 5 lives.
A leg punch-through in 2002 led to a blowout and fire which sank both the Arabdrill 19 and a production platform in Saudi's Khafji Field.
|Blake IV and Greenhill Petroleum Corp. Well 250
In 1992, Greenhill Petroleum's workover oil well blew out in Timbalier Bay, igniting after 2 days and taking 11 days to cap.
|C.P. Baker Drilling Barge
Built in 1962 using an uncommon catamaran design, the C. P. Baker drilling barge burned and sank after a shallow gas blowout.
Petrobras' Enchova Platform suffered twice with blowouts and fire in both 1984 and 1988, ending with the loss of the platform in 1988.
A blowout and fire in 2001 in the Gulf of Mexico caused the collapse of the Ensco 51's derrick, resulting in extensive platform damage.
This 1988 North Sea blowout occurred whilst drilling an HPHT well on the Ocean Odyssey, resulting in the death of the radio operator.
|Petromar V Drillship
The Petormar V drillship sank in 1981 after a shallow gas blowout in the South China Sea.
Whilst working off Nigeria, the Sea Quest suffered extensive fire damage after a blowout in 1980 and was then deliberately sunk.
Another shallow gas blowout, the West Vanguard suffered explosion and fire in 1985 off Norway, with the loss of 1 life.