Underwater Magazine -September/October 2013 - (Page 14)
BY AARON M. LAY
THERE WAS NOTHING UNUSUAL ABOUT the evening of Sunday, May
26th, 2013, for the crew of the Lewek Toucan. The boat, chartered by West African Ventures
(WAV), was about four hours off the west African coast of Nigeria. A team of SAT divers
employed by DCN Offshore was busy working on the 16-inch Okpoho-Okono pipeline
replacement. “We were prepping the old pipeline for flushing and decommissioning operations and putting concrete mattresses on the pipeline at that stage. We must have been about
two weeks on the job,” remembers Colby Werret, SAT supervisor for DCN.
As midnight approached, it was just another day at sea. Then the call came in.
“We got a call stating that there was another WAV vessel that had gotten into trouble.
That was the original report. There was basically a mayday call, and we were told to stand
by because we may have to leave to go on a rescue. We didn’t think much of it at the time
because we were busy diving,” Werret recalls.
What the divers and crew of the Lewek Toucan did not yet know was that the tugboat,
Jascon 4, had already capsized and sunk with 12 souls onboard. It had been servicing a tanker
at a Single Buoy Mooring (SBM #3) station about 30 kilometers off the coast of Escravos,
Nigeria. Large swells and bad weather were reported at the time of the accident. The exact
cause is still unknown.
Eventually, more information about the accident made its way to the Toucan. Werret
states, “We began to understand that the Jascon 4 had sunk, and we were told that we must
go. But we had six guys in SAT at that stage, and they had already been in SAT a couple of
days and stored at 73 meters. That was their storage depth when we got the call. We were told
that the sunken vessel was at a depth of about 30 meters. So, we started the decompression
to bring them to this new working depth at midnight on the 25th, and on the 26th, we left
Table of Contents for the Digital Edition of Underwater Magazine -September/October 2013
Board of Directors
Executive Director’s Message
Jascon 4 Rescue
Saturation Diving and Microbes
Commercial Diver Training Requirements
Emergency Repair at Sewerage Plant
California High Schools Prevail in International Student Underwater Robotics Competition
Safety and Efficiency through Automation
Diver Gas Management in the Bell
Unique System LLC (USA) Completes the Upgrade to the Ranger Offshore, Inc. HOSS-1, 6-Man SAT System
Underwater Intervention 2014
New ADCI Members
Index to Advertisers
2014 ADCI Scholarship Fund Raffle
Underwater Magazine -September/October 2013