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The spill began on April 20. The oil spill started when there was an abnormal pressure change, interpreted as a gas kick, which they could not control, and a blow out resulted. Crude oil poured on the rig floor and caught on fire. The intense heat from the burning of crude coming onto the rig floor and stored oil on the rig caused the rig to collapse and sink.
The gas kick means gas had entered either the drill pipe or the marine riser. The weight of the fluids in the hole (usually drilling mud) should always be sufficient to prevent influx of reservoir gas and oil. It was this underweighting or lost fluids in the wellbore, not the rig catching fire and sinking that caused blow out and subsequent oil spill. A poor cementing of the production casing is a possibility.
There is an investigation ongoing, which hopefully will have more details. It is not known why the blow out preventers (BOP) failed to actuate. BP has stated that it can, after the Maconda well is capped, remove the BOP stack for investigation. This might be several months away.
What else can I help you with?
When did the BP oil spill start?
The BP oil spill began on April 22, 2010.
Did the oil spill start in the morning?
Yes
How exactly big was the oil spill in Mexico?
big.................. very big................. ok......VERY BIG
What made the oil spill start?
BP's oil thing exploded in the ocean.
What sea was the big oil spill in?
It was in the Pacific Ocean.It wasn'nt in a sea.
When was the last oil spill?
the last oil spill was the oil spill in the Gulf Of Mexico
What date did the gulf oil spill start?
20 April 2010
When did the oil spill in the gulf start?
April 20. See link.
When did the oil spill in the Caribbean start?
It started in the Gulf of Mexico on Apr. 20.
Is the oil spill a big issue?
Any, and all, oil spills are considered a big issue because they have a huge and dramatic impact on the ecosystems where they occur.
How much is the capacity of the big oil spill compared from the olympic swimming pool?
Atr a 100,000,000 gallons oil spill that would fill about 200 Olympic size swimming pools
How big is the gulf oil spill?
So far, on the top of the water, the oil spill is bigger than New York! The state, not the city. It is still getting bigger every day!
