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 location with its legs up and the hull floating on the water. Upon arrival at the work location, the legs are jacked down onto the seafloor. Then "preloading" takes place, where the weight of the barge and additional ballast water are used to dr. OverviewA 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 tra. .
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.
[pdf] All ALCO Bail Extensions are designed, manufactured and certified to API Spec 8C PSL 1 SR2 (-40). The ALCO API Spec 8C Bail Extensions are manufactured in North American out of solid forgings or plate. A.
[pdf] Our Egyptian-Chinese petroleum company, EPHH, has achieved a significant milestone by manufacturing the first onshore drilling rig with Egyptian hands at our factory in Ain Sokhna, under the guidance of the Egyptian state and the instructions of Engineer Tarek El Molla, Minister of Petroleum and Mineral Resources.
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