Noble Corporation plc is an contractor organized in , England. Its affiliate, Noble Corporation, is organized in the . It is the corporate successor of Noble Drilling Corporation. The company operates 24 drilling rigs including eight , four , and 12 . It is the corporate successor of Noble Drilling Corporation. The company operates 38 drilling rigs including severnteen drillships, eight semi-submersible platforms, and thirteen jackup rigs. [1]
[pdf] Jackups are mobile, self-elevating drilling platforms that are equipped with moveable legs. Jackups are towed to a drilling site by tug boats before the unit lowers its legs to the seabed and then jacks up the hull to elevate it above the sea level, after which drilling operations can begin. The units are used exclusively for. .
A semi-submersible drilling rig is a floating drilling rig that is capable of working in water depths ranging from shallow through to ultra-deepwater. Semi-submersibles use a number of. .
Tender assist drilling units (TADs) allow drilling operations to be carried out on a fixed platform without the need for a permanent drilling package on the platform. The TAD is. .
A drillship is ship-shaped vessel that has been equipped for drilling operations. The unit can be utilised for drilling operations in midwater to ultra-deepwater areas and are generally preferred.
[pdf] This article lists the main components of a onshore . rigs have similar elements, but are configured with a number of different drilling systems to suit drilling in the marine environment. The equipment associated with a rig is to some extent dependent on the type of rig but typically includes at least some of the items listed below.
[pdf] 
