Crews complete fuel transfer from grounded tug

Boat closely watched by booming, skimming vessels, helicopter

Posted: Sunday, December 27, 2009

VALDEZ - Salvage crews have finished transferring thousands of gallons of diesel fuel from a stricken tugboat that crashed into the same reef that damaged the Exxon Valdez 20 years ago, a spokesman for the tug's owner said Saturday.

Marc Lester / Anchorage Daily News
Marc Lester / Anchorage Daily News

Crews finished transferring about 49,000 gallons of fuel and water mixed from the two damaged tanks late Friday, said Jim Butler, a spokesman for Crowley Maritime Services, the company that owns the stricken tug.

A towing vessel began bringing the tugboat back to the Port of Valdez about 2 p.m. Saturday after the U.S. Coast Guard, state of Alaska and Crowley agreed on a tow plan, he said. The tug is being watched by some booming and skimming vessels and monitored by a helicopter to make sure there is no remaining fuel, Butler said.

The tug was being towed at 4 knots and could reach port by about 7 p.m. Saturday.

Officials had hoped to remove the fuel from the tugboat's tanks early Friday before towing it back to Valdez, but diesel removal was halted after about 10 minutes when workers noticed a new sheen on the surface of the water, said Coast Guard Lt. Erin Christensen, a spokeswoman for the joint information center.

Helicopter flights measured the sheen at 50 feet wide by one-mile long, Christensen said.

The 136-foot tug Pathfinder had just finished checking for dangerous ice and was heading back to port in Valdez when it hit Bligh Reef at 6:15 p.m. Wednesday.

The boat is part of the Ship Escort Response Vessel System that was created after the Exxon Valdez ran aground in 1989 and spilled nearly 11 million gallons of crude oil - the worst ever U.S. spill.

Six fishing vessels plus Coast Guard cutters and salvage vehicles worked to skim the diesel off the surface of the water.

U.S. Sen. Mark Begich of Alaska said it was troubling that a spill response vessel "managed to run aground on one of the most well-marked and well-known reefs in the Northern Hemisphere."

It wasn't yet known how much spilled. The Coast Guard said Thursday that two of its tanks - containing an estimated 33,500 gallons of diesel fuel - were damaged. But an estimate on how much fuel spilled won't be completed until the tug reaches port and all materials used in cleaning up the spill can be examined to make a clear calculation, Butler said.

The SERVS system provides two escort tugboats for each tanker traveling through the sound after leaving the Valdez Marine Terminal with North Slope crude delivered through the trans-Alaska pipeline.

The grounding of the tug was very different from the Exxon Valdez accident in which an enormous amount of black crude oil spilled. The tug was carrying much lighter diesel fuel that will evaporate in time, Coast Guard Petty Officer Jon-Paul Rios said.



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