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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.
SEP (Self-Elevating Platform) – used by Naval Architect GustoMSC and Bennett Offshore; Jack-Up Barge – used in the Gulf-of-Mexico prior to USCG regulation as a marine vessel; Jack-Up - used by UK Renewable (ex. BWEA) but are not necessarily self-propelled; Wind-Farm Installation Vessel – used generally in the renewables industry but are ...
A Jack-up construction barge is a barge fitted with four to eight legs, each with a jacking system that can grip the leg and move it up or down relative to the hull, lock it in place and move back along the leg to grip it again for a further jacking operation.
YFR barges are self-propelled, YFRN barges are not. The YFR and YFRN hull numbers are part of the YF and YFN sequence. YFR-443, ex-YF-443, transferred to Colombia [61] YFR-447, ex-YF-447; YFR-451, ex-YF-451, lost by explosion and fire, 14 miles northwest of Boston MA. harbor, 11 May 1944 [62] YFRN-833 through YFRN-841; YFR-888 through YFR-890 ...
Tender assisted rigs are an existing type of development drilling, workover or plug and abandonment rig (same "family" as jack up rig, semi-submersible or drillship).). However, it is the only design that can operate in both shallow and deepwater (from 20 to 2,000 metres, 66 to 6,5
The crane had three smaller hoists for lifting 10, 20 and 50 tons. The main hoist has two 125 tonne lifting units which could be coupled for a combined lift of 250 tonnes. The crane had a maximum jib tower height of 81.4 m. The crane is self-propelled with two propellers and floats on pontoons.
In 1997-1998, the Interlake Steamship Company converted the SS J.L. Mauthe into a self-unloading barge, and renamed to the vessel SS Pathfinder in 1998. [ 5 ] Pathfinder was coupled with the pusher tug MT Joyce L. VanEnkevort from 1998 to 1999, [ 7 ] until the Interlake Steamship Company built their new Z-drive tug, called the MT Dorothy Ann ...
The drilling barge was built by Universal Drilling Co. [6] [5] It was launched in 1958 and delivered in 1959. [7] [6] In 1958, Mr. Louie became the first self-elevating drilling barge classed by the American Bureau of Shipping. [7] In 1959, it was leased to Reading & Bates (now part of Transocean). [8]
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