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The first, and thus far unique, cell-spar platform was Kerr-McGee's Red Hawk spar (7 ea. 8 m (26 ft) diameter cells). [6] Field-depletion occurred 4 years after production started, so Red Hawk was decommissioned in 2014 under the Bureau of Safety and Environmental Enforcement 's " Rigs-to-Reefs " program, at which time it was the deepest ...
Mad Dog Oil Field is an offshore oil field located along the Sigsbee Escarpment at Green Canyon blocks 825, 826 and 782, Western Atwater Foldbelt, Gulf of Mexico.The field is located about 190 miles (310 km) south of New Orleans and 150 miles (240 km) southwest of Venice, Louisiana, United States.
A truss is an assembly of members such as beams, connected by nodes, that creates a rigid structure. [1] In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assemblage as a whole behaves as a single object". [2]
The spar was upended in the fjord, after which the topsides were installed using the floatover technique. It was then towed vertically to the Aasta Hansteen gas field 300 kilometres (190 mi) off Bodø at the northwest coast of Norway. The spar is moored north of the Arctic Circle using polyester moorings to the seabed 1,200 metres (3,900 ft) below.
Devils Tower in 2004. Devils Tower is a deep-water oil and gas production Spar oil platform located in the Gulf of Mexico and named after Devils Tower National Monument.. Devils Tower is located in block 773 of the Mississippi Canyon region of the Gulf of Mexico.
The Pauli truss is a variant of the lenticular truss, "with the top chord carefully shaped so that it has a constant force along the entire length of the truss." [ 19 ] It is named after Friedrich Augustus von Pauli [ de ] , whose 1857 railway bridge (the Großhesseloher Brücke [ de ] ) spanned the Isar near Munich .
The Lun-A (Lunskoye-A) platform, located off the north eastern coast of Sakhalin Island and is a concrete gravity base substructure (CGBS).. An oil platform (also called an oil rig, offshore platform, oil production platform, etc.) is a large structure with facilities to extract and process petroleum and natural gas that lie in rock formations beneath the seabed.
A swing bridge (or swing span bridge) is a movable bridge that can be rotated horizontally around a vertical axis. It has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span (turning span) can then pivot horizontally as shown in the animated illustration to the right.