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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
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 ...
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.
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Flying with a child under 2 on their lap can save parents money — but the FAA doesn't recommend it. Safety experts say the Alaska Airlines blowout shows why it's not safe to fly with a kid on ...
The Nerd makes his first ever game review, and tries to tackle Castlevania II: Simon's Quest for the NES, revealing the many flaws and issues that came with it.. Notes: This episode was originally created in May 2004, [2] and previously only available as a part of a film compilation tape with other short films created or directed by James Rolfe.