Bayesian Yacht Disaster: How Specialist Search and Rescue Teams Work Underwater
finding the missing alive declined rapidly the longer the underwater search went on. However, in rare cases, people have been found clinging onto debris or flotation devices, or within air pockets in sunken vessels after several days.Harrison Okene, a fisherman on a trawler that sank 19 miles off the Nigerian coast in 30 metres of water in 2013, was found by divers still alive after 60 hours being trapped in an air pocket in the upturned boat. He later published a book on his rare survival story. There are also several famous maritime stories of people rescued from rafts after being adrift at sea for weeks
Grandeur Subserv Acquires Gaps M5 USBL for Shallow Water Ops
Grandeur Subserv Ltd., a company specializing in underwater and environmental engineering services, recently acquired Exail Gaps M5 USBL system for shallow water geophysical surveys on the Nigerian coast. Looking for an agnostic acoustic positioning system compatible with third-party transponders and capable of accurately tracking any asset in very shallow water, the Gaps M5 USBL system was recommended.“As part of a survey to determine the location of pipelines or hazards that could impede drilling on the Escravos field, we have to track sensors in water depths ranging from 8 to 100 m, which is
First Oil Produced from Bonga Project
Shell’s deep-water subsidiary in Nigeria, Shell Nigeria Exploration and Production Company Ltd (SNEPCo) started oil production from the first well at the Bonga North West deep-water development off the Nigerian coast on Tuesday 5 August 2014, another milestone for the country’s energy industry. “This is an excellent addition to our deep-water portfolio – a key growth theme for Shell’s world-wide upstream business,” said Andrew Brown, Shell’s Upstream International Director. “It’s also good news for Nigeria, as it is a new source of oil revenues
February 2025
