Gulf oil spill updated July 4
July 4th Oil Slick
Where The Oil Has Made Landfall
How they have tried to stop the Leak
BY MID-JULYADDING MORE CAPACITY
By mid-July, BP expects to have a total of four vessels on site to collect and process oil and gas. The Q4000 will be replaced by another vessel, Toisa Pisces, which will be connected to one of two floating risers that can be disconnected in the event of a hurricane
JUNE 16-CAPTURING MORE OIL
A second containment system has begun siphoning oil and gas from the leaking well. BP estimates the system will carry 5,000 to 10,000 barrels a day to the surface, supplementing the roughly 15,000 barrels collected daily by a containment cap on top of the blowout preventer.Using equipment originally put in place to inject heavy drilling mud during the failed “top kill” procedure last month, the new system extracts oil and gas directly from the blowout preventer, passes it through a manifold on the seafloor and pipes it up to the Q4000 surface vessel.
The Q4000 has no storage capacity and will burn the oil and gas.
Source: BP
JUNE 4—-BEGINNING TO CAPTURE SOME OIL
A cap placed over the upper portion of the leaking well was funneling some oil and gas to a surface ship, though oil continued to billow from under the lip and through four open vents on top of the device. Methanol is being pumped into the cap to prevent the formation of icy hydrates that could block the mile-long pipe rising from the cap. Engineers hope to capture more oil by progressively closing the cap vents.
Source: BP
Source: BP
MAY 31—-ANOTHER ATTEMPT TO CAP THE WELL
After the failure of the top kill operation, BP began a new operation to cap the well. The damaged pipe will be cut from the blowout preventer, and a dome will be lowered over it to catch the spewing oil.
MAY 26—–THE TOP KILL AND JUNK SHOT
BP tried two more operations, called the “junk shot” and the “top kill,” to stop the gushing oil. In the “top kill,” heavy drilling liquid is pumped into the well until the weight of the liquid overcomes the pressure of the rising oil. The “junk shot” involves injecting objects like golf balls to clog the blowout preventer, the stack of valves at the top of the well.
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