Jul 23, 2010 6:56 AM by Sharlee Barriere

Oil Spill Work on Hold as Bonnie Approaches

ON THE GULF OF MEXICO (AP) - Work to permanently choke off the
oil well that had been spewing into the Gulf of Mexico was at a
standstill Friday after ships around the site were ordered to
evacuate ahead of the approaching Tropical Storm Bonnie.
There had been worries that the cap that has mostly contained
the oil would have to be reopened and left gushing if a major storm
came through. But engineers were confident enough in the strength
of the cap that they decided to leave it sealed while most of the
ships on the surface were told to leave the area.
The storm, which blossomed over the Bahamas and was to enter the
Gulf of Mexico by the weekend, could delay by another 12 days the
push to plug the broken well for good using mud and cement, retired
Coast Guard Adm. Thad Allen and BP officials conceded. Even if it's
not a direct hit, the rough weather will push back efforts to kill
the well by at least a week.
"While this is not a hurricane, it's a storm that will have
probably some significant impacts, we're taking appropriate
cautions," Allen said in Mobile, Ala.
Bonnie had maximum sustained winds near 40 mph (65 kph) early
Friday as it swirled about 220 miles southeast of Miami.
The delay in work would be worse if BP had to fully open the cap
while the ships closely monitoring the well head left. More oil
would have been allowed to spew into the Gulf until they returned.
A week of steady measurements through cameras and other devices
convinced Allen they don't need to open vents to relieve pressure
on the cap, which engineers had worried might contribute to leaks
underground and an even bigger blowout. The cap was attached a week
ago, and only minor leaks have been detected.
Allen said earlier in the day that evacuating the vessels could
leave the well head unmonitored for up to a few days. He said he
ordered BP to make sure the ships carrying the robotic submarines
watching the well are the last to leave and the first to return.
Allen issued the order Thursday night to begin moving dozens of
vessels from the spill site, including the rig that's drilling the
relief tunnel engineers will use to permanently throttle the
free-flowing crude near the bottom of the well. Some vessels could
stay on site, he said.
"While these actions may delay the effort to kill the well for
several days, the safety of the individuals at the well site is our
highest concern," he said in a statement.
It was unclear Thursday night whether some of the vessels would
go back to port or head farther south in the Gulf out of the path
of the storm and await orders once the storm passes. The Coast
Guard cutter Decisive, the hurricane guard for the vessels at the
spill site, was awaiting instructions. In an evacuation, the
Decisive is the last vessel to leave the area.
Bonnie caused flooding in Puerto Rico, the Dominican Republic
and Haiti before reaching tropical storm strength later Thursday,
and Allen said crews expected sustained wind above 39 mph at the
spill site by early Saturday.
Seas already were choppy in the Gulf, with waves up to five feet
rocking boats as crews prepared to leave, and more of the smaller
boats involved in the coastal cleanup were called into port, Coast
Guard Rear Adm. Paul Zukunft said.
Louisiana Gov. Bobby Jindal said he expects local leaders in
coastal parishes to call for evacuation of low-lying areas as early
as Friday morning.
At the spill site, the water no longer looks thick with gooey
tar. But the oil is still there beneath the surface, staining the
hull of cutters motoring around in it.
One large vessel - the Helix Q4000 - is burning off oil
collected from the water, and bright orange flames flared at the
side of the ship.
Scientists say even a severe storm shouldn't affect the well
cap, nearly a mile beneath the ocean surface 40 miles from the
Louisiana coast. "Assuming all lines are disconnected from the
surface, there should be no effect on the well head by a passing
surface storm," said Paul Bommer, professor of petroleum
engineering at University of Texas at Austin.
Charles Harwell, a BP contractor monitoring the cap, was also
"That cap was specially made, it's on tight, we've been looking
at the progress and it's all good," he said after his ship
returned to Port Fourchon, La.
Before the cap was attached and closed a week ago, the broken
well spewed 94 million to 184 million gallons into the Gulf after
the BP-leased Deepwater Horizon rig exploded April 20, killing 11
Work on plugging the well came to a standstill Wednesday, just
days before authorities had hoped to complete the relief shaft.
Allen said Thursday he has told BP to go ahead preparing for a
second measure called a static kill that would pump mud and cement
into the well from the top, a move he said would increase the
relief well's chances for success. BP will have to get final
approval from Allen before starting the procedure.
Vice President Joe Biden visited cleanup workers in southern
Alabama, and said he was cheered the cap could remain on.
"After the storm's passage we will be right back out there,"
Biden said.


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