Jackup rigs are so named because they are self-elevating with three, four, six and even eight movable legs that can be extended (“jacked”) above or below the hull. Jackups are towed or moved under self propulsion to the site with the hull lowered to the water level, and the legs extended above the hull. The hull is. .
A jackup rig or a self-elevating unit is a type of mobile platform that consists of a buoyant fitted with a number of movable legs, capable of raising its hull over the surface of the sea. The buoyant hull enables. .
An early design was the DeLong platform, designed by Leon B. DeLong. In 1949 he started his own company, DeLong Engineering & Construction Company. In 1950 he constructed. .
A jackup rig is a barge fitted with long support legs that can be raised or lowered. The jackup is maneuvered (self-propelled or by towing) into. .
Mobile offshore Drilling Units (MODU)This type of rig is commonly used in connection with . There are more jackup rigs in the worldwide offshore rig fleet than other type of mobile offshore . Other types of offshore rigs include
[pdf] The bodies of five workers, including one Texan, were recovered Tuesday after an explosion ripped through a drilling rig in Oklahoma, triggering what appears to be the nation's deadliest oil and gas accident since the 2010 Deepwater Horizon disaster in the Gulf of Mexico.
[pdf] The rig was built as a at a French shipyard, and delivered to Stavanger Drilling in July 1976. The rig was named after the Norwegian writer . It could be used for drilling purposes o. .
Early in the evening of 27 March 1980, more than 200 men were off duty in the accommodation on Alexander L. Kielland. Conditions were rainy with dense fog, with the wind gusting to 40 knots (74 km/h) and waves up t. .
In March 1981, an investigative report concluded that Kielland collapsed due to a in one of its six bracings (bracing D-6), which connected the collapsed D-leg to the rest of the rig. This was traced. .
Kielland was recovered in 1983 at the third attempt. The rig was scuttled later that year in the Fjord after a search for missing bodies had been completed, as well as several tests to determine the cause of the disas.
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