One of two types of bottom-supported MODUs (the other being the much less popular submersible rig), jackup rigs rest on the sea floor rather than float.
Bottom supported jack up rig
Floating rigs include semisubmersibles, drillships and offshore barges. A modern jackup drilling rig is a bottom-supported MODU consisting usually of a triangular hull and three legs and a jacking system. One early jackup rig design had eight legs. The rig can float, however, allowing it to be moved from one drill site to another. Bottom-supported units include submersible rigs and jackup rigs. See Mobile.
Bottom supported jack up rig apologise, but, opinion
A jackup rig or a self-elevating unit is a type of mobile platform that consists of a buoyant hull A jackup rig is a barge fitted with long support legs that can be raised or lowered. additional ballast water are used to drive the legs securely into the sea bottom so they will not penetrate further while operations are carried out.Name · History · Operation · Types. Jack-ups are bottom-supported units; semisubmersibles and drillships are floating units ("floaters"). In terms of numbers, jack-up rigs drill most offshore wells.
Mar 8, - Jack-up rig is a type of a drilling rig used in offshore locations which is driven into the ocean floor to provide bottom support and rig stability. Bottom supported drilling rigs Smaller platforms use a jackup rig to drill the wells. Jackupsare similar to platforms except that the support legs are not.
Unlike floaters, bottom-supported rigs are anchored to the bottom of the sea floor. There are two main types of bottom-supported rigs: platform rigs and jack-up. Mat-supported jack-up rigs consist of three or more legs that are connected at their lower ends to a large horizontal mat. The operating procedure involves.
Nov 17, - On platforms and jackup rigs, the blowout preventers (BOPs) are ocean bottom) to support the surface production equipment, living quarters. Jun 25, - The jackup-type mobile offshore drilling unit (MODU) has become the . and then the rig will jack down and set the platform on the sea bottom.