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The Cameron ram-type blowout preventer was the first successful blowout preventer (BOP) for oil wells. It was developed by James S. Abercrombie and Harry S. Cameron in 1922.[1][2] The device was issued U.S. patent 1,569,247 on January 12, 1926.[3] The blowout preventer was designated as a Mechanical Engineering Landmark in 2003.[1][2][4]
- ^ a b "First Ram-Type Blowout Preventer (BOP) (1922)". Landmarks. American Society of Mechanical Engineers. Retrieved 9 May 2010.
- ^ a b Torre, Mel (July 8, 2003). "The Cameron ram-type blowout preventer is Named a Historic Mechanical Engineering Landmark". Press Release. American Society of Mechanical Engineers. Retrieved 9 March 2010.
- ^ US patent 1,569,247, James S. Abercrombie and Harry S. Cameron, "Blow-out Preventer", issued 1926-January-12
- ^ "First Ram-Type Blowout Preventer (BOP) (1922)". Landmarks. American Society of Mechanical Engineers. Retrieved 9 May 2010.