Mat Supported Jack Up Rig

Jack up drilling rigs are often not pre loaded as is the almost universal practice with independent leg jack ups.

Mat supported jack up rig.

Usually shaped like an. Once on location the hull is raised to the required elevation above the sea surface supported by the sea bed. A conventional mat supported jack up rig has a base mat which is a rectangular hollow tank sized to provide stability for the rig when resting on the seafloor. I want to buy.

Continuous foundation support e g. Legs the legs of a jack up unit are normally vertical however slant leg designs also exist. The buoyant hull enables transportation of the unit and all attached machinery to a desired location. Selling an older mat supported jack up offshore drilling rig.

A more logical choice for drilling environments that have soft floors mat supported jackups distribute the weight of the rig across the ocean s bottom like a snow shoe. The operating procedure involves floating the platform to the desired location and then jacking the mat toward the seafloor until the drilling platform is entirely supported by the mat. A jackup rig or a self elevating unit is a type of mobile platform that consists of a buoyant hull fitted with a number of movable legs capable of raising its hull over the surface of the sea. However pre loading mat rigs can be of critical importance to their storm survival in soft clays.

The legs of such units may be designed to penetrate the sea bed may be fitted with enlarged s. Mopu boss 1 was transformed into a production unit in singapore within a period of seven 7 months. A type of mat supported jack up rig where all the legs are connected to one common footing. The interior of a typical mat is divided into ballast compartments which can be flooded to make the mat neutrally buoyant while the platform is being towed to the drilling site.

The maleo producer is connected to a lightweight wellhead platform with a hinged structural. Design variables for jack up legs may involve the following listed considerations number of legs. Mat foundations individual leg footings e g. Www jeffweber eu we would like to.

De raj group used an already owned bethlehem steel corp ju 200 mc type 3 columns mat supported drilling rig named boss 1 and converted the jack up unit to a mobile offshore production platform mopu to be used as a tpf. A more logical choice for drilling environments that have soft floors mat supported jackups distribute the weight of the rig across the ocean s bottom like a snow shoe. Usually shaped like an a mat supports are connected to the bottom of each leg of the jackup ensuring that the rig does not punch through the ocean s bottom. Thus the legs firmly rest on the seafloor instead of penetrating into the seafloor like the independent legged type.