Backlash in engineering is the distance between the paired gear teeth. It is the amount of ‘play’ or ‘give’ between two mechanical parts that engage each other. Every such part (gear, thread, etc.) has...

The rack and pinion system is a more advanced and widely-used mechanism in today’s jack-up rigs. The system consists of a pinion attached to the gearbox, which is driven by an electric or hydraulic...

Also known as “pin and hole”, the system consists of a series of holes that are drilled into the legs and a set of pins that are inserted into these holes. The pins lock the legs in place and hold it....

The jacking system elevates the hull of the jackup using the attachment points on the leg. They often also support the hull while elevated during operations and storm conditions. There have been different...

The penetration of the legs depends on the seabed type and its characteristics. Jetting systems are used to liberate the legs from the mud, when departing from the location. If Jackup is elevated on a...