Waking up in the middle of the night to use the bathroom can be an annoying inconvenience, but for Harrison Odjegba Okene, it was a life-saving moment. On May 26, 2013, the 29-year-old cook aboard the tugboat Jascon-4 woke up and left his bunk to use the bathroom, a decision that ultimately saved his life. In a tragic turn of events, Harrison became the sole survivor of a maritime disaster, making history as the only known person to have survived for nearly three days on the seafloor.
The Gulf of Guinea, located in the southeast Atlantic Ocean, is rich in petroleum-laden sedimentary seabed, attracting numerous offshore oil drilling operations along the African coast. On the fateful morning of May 26, three tugboats were assisting a Chevron oil tanker near Single Buoy Mooring #3, about 20 miles off Escravos, Nigeria. The Jascon-4 was performing tension tow functions when a rogue wave struck, causing the vessel to capsize just before 5 a.m.
Due to piracy concerns in the region, security protocols required the 12-man crew to lock themselves in their rooms while sleeping, which tragically delayed their escape. Harrison, who had left his bunk earlier to use the bathroom, was wearing only his underwear when disaster struck. As the vessel keeled over and water rushed in, he had to force the bathroom's metal door open against the pressure of incoming seawater. He watched in horror as three crew members were swept away while he was pushed into another bathroom connected to an officer's cabin.
The Jascon-4 ultimately sank to a depth of nearly 100 feet (30 meters), resting upside down on the seabed. Rescue efforts were launched immediately with the help of nearby vessels and a helicopter. Divers banged on the hull in hopes of hearing survivors, but Harrison's attempts to respond went unheard. As the divers were not equipped for extended deep-sea operations, the search was eventually called off, assuming no one had survived.
After spending nearly a day trapped in a small air pocket, Harrison gathered the courage to explore his surroundings. In total darkness, he swam to the engineer's office, where he found another air pocket approximately four feet high. To combat the cold temperatures of the deep Atlantic, Harrison constructed a makeshift platform using a mattress and wall paneling to keep part of his body out of the freezing water, reducing heat loss and the risk of hypothermia.
Harrison faced intense hunger, thirst, and isolation in complete darkness. Fear gripped him, but his strong faith provided comfort as he prayed for salvation. The salty seawater began to strip the skin from his tongue, and he was haunted by the smell of decomposing bodies. The eerie sounds of fish feeding on the corpses echoed through the wreckage, amplifying his terror.
Days later, a dive support vessel, the Lewek Toucan, arrived to recover the bodies. The vessel's parent company, West African Ventures, had hired a professional salvage diving team from DCN Global. The challenging operation involved poor visibility, dangerous conditions, and navigating an inverted sunken vessel.
While exploring the wreckage, diver Nico Van Heerden was shocked when a hand reached out from the darkness and squeezed his own. Assuming it was another corpse, Nico experienced a moment of panic before realizing Harrison was alive. Supervisor Colby Werrett, monitoring from the surface, exclaimed, "He's alive!" and instructed Nico to comfort Harrison with a reassuring thumbs-up.
Harrison had survived for nearly 60 hours at the bottom of the ocean. His air pocket, compressed under the water's pressure, had just enough oxygen to sustain him, though he was already showing signs of carbon dioxide poisoning. Miraculously, Harrison's splashing of the water had increased its surface area, helping absorb excess CO2 and delaying lethal buildup.
The rescue team carefully warmed Harrison with hot water and provided him with an oxygen mask. However, his ordeal was far from over. Having spent days under high pressure, he was at severe risk of decompression sickness, commonly known as 'the bends.' Rapid ascent could have caused nitrogen bubbles to form in his blood, potentially leading to paralysis or death. Treating him as they would a professional saturation diver, the team fitted Harrison with a diving helmet and guided him into a diving bell, carefully controlling his ascent to avoid decompression sickness.
After being brought to the surface, Harrison remained in a decompression chamber for another two and a half days to ensure his body adjusted safely to normal atmospheric pressure. Of the 12 crew members aboard the Jascon-4, Harrison was the sole survivor, while 10 bodies were recovered, and the search for the 11th crew member was eventually abandoned due to hazardous conditions.
Harrison made a full recovery and returned to his hometown of Warri, forever marked by his extraordinary survival story. His ordeal serves as a powerful testament to human resilience, faith, and the will to survive against impossible odds.
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