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Oil tankers are often classified by their size as well as their occupation. The size classes range from inland or coastal tankers of a few thousand metric tons of deadweight (DWT) to ultra-large crude carriers (ULCCs) of 550,000 DWT. Tankers move approximately 2.0 billion metric tons (2.2 billion short tons) of oil every year.
The class were the first ULCCs (ultra-large crude carriers) to be built in 25 years. [3] By displacement, deadweight tonnage (≈ cargo mass), and gross tonnage (a formula value based on internal volume, not mass), the TI class ships are smaller only than Pioneering Spirit.
Seawise Giant was ordered in 1974 and delivered in 1979 by Sumitomo Heavy Industries, Ltd. (S.H.I.) at Oppama shipyard in Yokosuka, Kanagawa, Japan, as a 418,611-ton Ultra Large Crude Carrier (ULCC). [12] The vessel remained unnamed for a long time, and was identified by her hull number, 1016.
Due to their favorable size, Aframax tankers can serve most ports in the world. These vessels serve regions that do not have very large ports or offshore oil terminals to accommodate Very Large Crude Carriers and Ultra-Large Crude Carriers. Aframax tankers are optimal for short- to medium-haul crude oil transportation.
Very Large Crude Carrier size range At nearly 380 vessels in the size range 279,000 t DWT to 320,000 t DWT , these are by far the most popular size range among the larger VLCCs. Only seven vessels are larger than this, and approximately 90 between 220,000 t DWT and 279,000 t DWT .
Oil tankers are often classified by their size as well as their occupation. The size classes range from inland or coastal tankers of a few thousand metric tons of deadweight (DWT) to ultra-large crude carriers (ULCCs) of 550,000 DWT. Tankers move approximately 2.0 billion metric tons (2.2 billion short tons) of oil every year.
In 1966 the 206,000 long ton Idemitsu Maru was the first Very Large Crude Carrier (VLCC) built. In twenty years, the size of tankers had increased tenfold. [27] In 1968, the first Ultra Large Crude Carrier, the Universe Ireland was built.
Ultra Large Crude Carrier/Sea Saint: Kockums: Supertanker 1974 converted to FPSO named Fluminense. Two active in a series of six. Rederi AB Malmoil Sweden: Ultra Large Crude Carrier/Sea Scape: Kockums: Supertanker 1975 2002 scrapped in Xinhui, China Sture Ödner, Sweden Sweden: Ultra Large Crude Carrier/Sea Stratus: Kockums: Supertanker 1975 2000