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Oilfield Accidents

Land-rig and oilfield injuries, named disasters, and the hazards of the patch.

disasters

Drilling Rig Disasters: Common Causes
Workplace injuries happen anywhere, regardless of the nature of the profession or the type of job that is performed. However, you probably don’t have to work on a drilling rig to know that these monstrous structures are historically prone to disasters that don’t just impact one person, but every person on board. Below, we discuss some of […]
Enchova Central Platform Disaster of 1984: Causes and Consequences
On August 16, 1984, a well blowout on the Enchova Central Platform in Brazil's Campos Basin ignited a high-pressure gas leak, causing a fire and explosion that killed 42 workers. Thirty-six of the deaths occurred when a lifeboat malfunctioned during launch and fell into the ocean. Investigators cited blowout preventer failure, equipment malfunctions, and inadequate emergency procedures. Production stopped for months.
The Legacy of the Mumbai High North Disaster of 2005
On July 27, 2005, a support vessel collided with the gas export riser of the Mumbai High North platform off the coast of India, igniting a fire that destroyed the structure and killed 22 workers. The ONGC-operated platform lacked vessel-approach protocols, riser fire protection, and adequate emergency shutdown valves. The disaster halted production for an extended period and prompted improvements in vessel positioning, gas detection, and evacuation standards.
Usumacinta Jack-Up Disaster of 2007: Causes, and Impact
On October 23, 2007, a cold front with winds up to 130 km/h and 8-meter waves caused the Usumacinta jack-up rig to collide with the Kab-101 platform in the Gulf of Mexico. The collision damaged a production valve, triggering a gas leak and fire. During the evacuation, several life rafts capsized in rough seas, and 22 of the 86 crew members died.
What Happened at the Alexander L Kielland Drilling Platform in 1980?
The Alexander L. Kielland, a semi-submersible platform used as offshore living quarters in the North Sea's Ekofisk field, capsized on March 27, 1980, killing 123 of the 212 people aboard. A fatigue crack traced to an inadequate weld repair caused a bracing to fail; five anchor cables snapped and the rig overturned. The disaster led Norway to mandate new stability, watertight-door, and lifeboat-release standards.
What Happened at the Bohai 2 Oil Rig Disaster in 1979?
The Bohai 2 jack-up rig capsized in China's Bohai Bay on November 25, 1979, during a severe storm. Heavy waves dislodged a ventilator pump that punctured a one-meter hole in the deck, and the resulting flooding destabilized the platform until it sank. Seventy-two crew members died. Investigators cited unsecured deck equipment, ignored towing procedures, inadequate emergency training, and unreliable life-saving equipment.
What happened at the Deepwater Horizon?
On April 20, 2010, the Deepwater Horizon rig exploded while completing the Macondo well 41 miles off the Louisiana coast, killing 11 workers and injuring 17. Failed foam cement, misread pressure tests, and inoperative emergency systems allowed high-pressure gas to reach the rig. Oil flowed for 87 days, releasing 134 million gallons into the Gulf of Mexico. Settlements included a $20.8 billion environmental damage agreement approved in 2016.
What Happened at the Ocean Ranger Oil Rig Disaster in 1982?
The Ocean Ranger semi-submersible rig sank off Canada's east coast in February 1982 after a winter storm wave shattered a porthole in the ballast control room. Seawater disabled the ballast controls, the rig listed, and it sank with all 84 crew members; no one survived. Investigators cited design flaws, inadequate crew training, and insufficient safety equipment. Wrongful death lawsuits settled for approximately $20 million.
What Happened at the Piper Alpha Oil Platform in 1988?
The Piper Alpha platform, located about 120 miles northeast of Aberdeen, Scotland, was destroyed by gas explosions and fires on July 6, 1988. Condensate leaked from a pump whose pressure relief valve had been removed for maintenance, ignited, and triggered chain-reaction pipeline ruptures. Of 226 people aboard, 165 died, along with two rescuers. Occidental later paid over $220 million in settlements.

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