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Narco-submarine. A narco-submarine (also called a drug sub or narco-sub) is a type of custom ocean-going, self-propelled, semi-submersible or fully- submersible vessel built by (or for) drug smugglers. [2][3][4] Newer semi-submersibles are "nearly-fully" submersible in order to reduce likelihood of detection by visual, radar, sonar, or infrared ...
The Hughes Mining Barge, or HMB-1, is a submersible barge about 99 m (324 ft) long, 32 m (106 ft) wide, and more than 27 m (90 ft) tall. The HMB-1 was originally developed as part of Project Azorian (more widely, but erroneously, known as "Project Jennifer"), the top-secret effort mounted by the Central Intelligence Agency to salvage the wreckage of the Soviet submarine K-129 from the ocean floor.
SSCV Sleipnir is a semi-submersible crane vessel (SSCV) owned and operated by the Netherlands-based Heerema Marine Contractors. It is named for Sleipnir, the eight-legged horse ridden by Odin in Norse mythology. The vessel is equipped with two revolving cranes built by Huisman Equipment B.V., each with a capacity of 10,000 t (11,000 short tons ...
The first semi-submersible floating production platform was the Argyll FPF converted from the Transworld 58 drilling semi-submersible in 1975 for the Hamilton Brothers North Sea Argyll oil field. As the oil industry progressed into deeper water and harsh environments, purpose-built production semi-submersible platforms were designed.
Semi-submersible may refer to a self-propelled vessel, such as: Heavy-lift ship, which partially submerge to allow their cargo (another ship) to float into place for transport. Narco-submarine, some of which remained partially on the surface. Semi-submarine, which cannot fully submerge. Semi-submersible naval vessel, which partially submerges ...
Auxiliary floating drydock. An auxiliary floating drydock is a type of US Navy auxiliary floating dry dock. Floating dry docks are able to submerge underwater and to be placed under a ship in need of repair below the water line. Water is then pumped out of the floating dry dock, raising the ship out of the water.
The barge was built in Portland, Oregon by U.S. Barge, LLC [4] and ferried to Shanghai, where it was fitted with a shear-leg crane manufactured by Shanghai Zhenhua Port Machinery Co. Ltd (ZPMC). The completed sheerleg was ferried back to the United States on a semi-submersible heavy-lift ship , Zhen Hua 22 (IMO 8106446).
The first semi-submersible resulted from an unexpected observation in 1961. [12] Blue Water Drilling Company owned and operated the four-column submersible Blue Water Rig No.1 in the Gulf of Mexico for Shell Oil Company. As the pontoons were not sufficiently buoyant to support the weight of the rig and its consumables, it was towed between ...