| Incident | Fatalities | |
|---|---|---|
| 1. Piper Alpha Occidental's Piper Alpha platform was destroyed by explosion and fire in 1988. 167 workers were killed in the blaze. |
167 | |
| 2. Alexander L. Kielland In 1980, the accommodation rig Alexander L. Kielland capsized during a storm after a leg support brace failed. |
123 | |
| 3. Seacrest Drillship The Seacrest drillship capsized in 1989 during Typhoon Gay, with the loss of 91 crew. |
91 | |
| 4. Ocean Ranger A ballast control malfunction caused the Ocean Ranger to capsize during a ferocious storm in the North Atlantic in 1982, with the loss of all hands. |
84 | |
| 5. Glomar Java Sea Drillship Another storm fatality, the Glomar Java Sea capsized and sank during Typhoon Lex in 1983 with the loss of all on board. |
81 | |
| 6. Bohai 2 In 1979, the jack-up Bohai 2 capsized and sank in a storm while on tow off the coast of China. |
72 | |
| 7. Brent Field Chinook Helicopter A Chinook helicopter shuttle between the Brent Field and Sumburgh crashed into the North Sea in 1986 with only two survivors. |
45 | |
| 8. Enchova Central During a blowout on the Enchova Central off Brazil, 42 workers lost their lives attempting to evacuate the platform. |
42 | |
| 9- 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. |
22 | |
| 9- Mumbai (Bombay) High North A support vessel collided with Mumbai High North in 2005, rupturing a riser and causing a major fire that destroyed the platform. |
22 | |
| 9- Usumacinta Storm winds caused the Usumacinta jack-up to strike the adjacent Kab-101 platform, resulting in a fatal evacuation and blowout in 2007. |
22 |
Various sources