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A blowout preventer (BOP) (pronounced B-O-P) [1] is a specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowouts, the uncontrolled release of crude oil or natural gas from a well. They are usually installed in stacks of other valves.
Blowout (well drilling) The Lucas Gusher at Spindletop, Texas (1901) A blowout is the uncontrolled release of crude oil and/or natural gas from an oil well or gas well after pressure control systems have failed. [1] Modern wells have blowout preventers intended to prevent such an occurrence. An accidental spark during a blowout can lead to a ...
June 22 – Mark E. Hafle, a senior drilling engineer at BP, warns that the metal casing for the blowout preventer might collapse under high pressure. [10] October 7 – The Transocean Marianas semi-submersible rig begins drilling the Macondo well. [11] November 9 – Hurricane Ida damages Transocean Marianas enough that it has to be replaced. [11]
The blowout preventer is a T-shaped coupling that is screwed onto the top of the casing. It has a passage through the coupling for the drill string. There is a ram with a concave, semi-circular face in each arm of the tee. Each ram is moved in or out by turning its valve stem, which extends beyond the coupling. The ends of the stems are squared ...
8) The blowout preventer failed in several ways; controls on the rig were disabled by the explosion; an automatic shutoff system within the blowout preventer failed, probably due to failure of two components - a solenoid and battery; when a submersible was able to activate a blind shear within the blowout preventer, the blind shear functioned ...
A wellhead is the component at the surface of an oil or gas well that provides the structural and pressure-containing interface for the drilling and production equipment. Wellhead gas storage, Etzel Germany. Oil well Christmas tree. The primary purpose of a wellhead is to provide the suspension point and pressure seals for the casing strings ...
January 7, 1975. (1975-01-07) (aged 83) Houston, Texas. Known for. Cameron ram-type blowout preventer. James Abercrombie (born James Smither Abercrombie; 7 July 1891 – 7 January 1975) was an American inventor who is best known for designing the world's first reliable blowout preventer (BOP) to contain disastrous well blowouts. [1]
e. Efforts to stem the Deepwater Horizon oil spill were ongoing from the time that the Deepwater Horizon exploded on April 20, 2010 until the well was sealed by a cap on July 15, 2010. [ 1] Various species of dolphins and other mammals (61 casualties), birds (2,095 casualties), and the endangered sea turtles (467 casualties) have been killed ...