The gating item is the 25, 000 lb. blow-out preventer which is set to arrive in November.
Blow Out Preventer that is being required to control the pressures in the well.
Blow Out Preventer (BOP) that must be employed to complete and then test the well.
The cap installed on the top of the well is basically a second blowout preventer.
The pod should soon be on its way back down for reattachment to the preventer.
Then there was the blowout preventer, a huge stack of valves on the sea floor.
It is not clear if there was any attempt to activate the blowout preventer before the explosion.
The Blow Out Preventer is off the well which is being controlled by a down hole safety valve.
Would a different type of culture have motivated BP to check that blowout preventer on the Deepwater Horizon rig?
April 25: The Coast Guard approves a plan to activate the blow-out preventer.
Systems that were planned to be redundant, like the five-story blowout preventer, turned out to be susceptible to complete collapse.
FORBES: The Banality of Catastrophe: The New Normal of Oil Spills
If both barrels fail there is the possibility of putting a new blowout preventer on top of the old one.
Officials had planned to detach a device called a blowout preventer from the well and replace it with a new one.
We in the industry have long had great confidence in the blow-out preventer as the ultimate failsafe piece of safety equipment.
BP's technicians have been unable to activate the blow-out preventer, essentially a massive valve that must be operated remotely by robot submarines.
Earlier in the month, Cameron (CAM), which made the blowout-preventer used on the rig, settled with BP for claims related to the incident.
The remote-controlled submarines are being used by BP in an attempt to activate the well's blowout preventer to choke the flow of oil.
To do this, BP has been replumbing and rewiring the blowout preventer, paying particular attention to its choke pipe and the kill pipe.
Various sizes of caisson will be built, including one 15 metres (50 feet) or so in diameter, large enough to fit over a whole blowout preventer.
As early as five hours before the explosion drillers noticed unexpected loss of fluid in the riser pipe, indicating leaks in a part of the blowout preventer.
Other companies involved included Transocean, the owner of the rig and responsible for the safety valve known as the blowout preventer, and Halliburton, who provided cementing services.
One is to deal with this blowout preventer stack and to take -- to use every capability to try to get it -- the rams to close.
Subsequently the company rushed the Deepwater Horizon well into production, ignoring danger signals especially related to the blowout preventer, which Tony Hayward now acknowledges must be totally redesigned.
Mr Wells says that once the control pod has been reinstalled on the blowout preventer and the manifold is attached to the Q4000, the top kill could start.
The Interior Department granted the company permission to begin "certain limited preparatory activities" -- including work related to the installation of a blowout preventer -- on August 30.
Bradford County Emergency Management Agency Deputy Director Skip Roupp was quoted as saying that there was a crack in the top part of the well, below the blowout preventer.
FORBES: Chesapeake Energy Suffers Gas Well Blowout On Anniversary Of BP Spill
Washington (CNN) -- The public may have seen the last video images of the failed blowout preventer from the BP oil well disaster, as authorities expressed possible security concerns.
CNN: Public may not see failed blowout preventer from BP oil well
With that leak sealed, the plan is to inject heavyweight "kill mud" into the lower part of the blowout preventer, followed by cement that will effectively entomb the well.
British oil company BP, one of the firms operating the rig, has not been able to activate a device known as a blow-out preventer, designed to stop oil flow in an emergency.
At that depth, a key piece of equipment is the blowout preventer, which weighs up to 300 tons and caps the well, holding back ultrapressurized oil deep in the Earth.
应用推荐