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Two categories of blowout preventer are most prevalent: ram and annular. BOP stacks frequently utilize both types, typically with at least one annular BOP stacked above several ram BOPs. Blowout preventers are used on land wells, offshore rigs, and subsea wells. Land and subsea BOPs are secured to the top of the wellbore, known as the wellhead.
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 ...
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] Abercrombie was born the fourth of 13 children in Huntsville, Texas to parents James Buford and Evelina Abercrombie Jr on 7 July, 1891.
Failure of blowout preventer equipment was a major cause of the April 2010 disaster that killed 11 workers and resulted in an estimated 130 million gallons of crude oil spewing into the Gulf of.
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 catastrophic oil or gas fire.
Blowout: A sudden, uncontrolled release of underground pressure from the well. BOP (Blowout preventer): Pronounced "B-O-P", not "bop", is a mechanical device connected to the wellhead to control and prevent blowouts. Catwalk: Elevated platform used for sliding pipe up to the rig floor.
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