Originally conceived as a bottom-supported drilling unit, semisubmersibles eventually found their true calling. Now, semisubs are the most stable of any floating rig, many times chosen for harsh ...

Since the first jackup was built in 1954, jackups have become the most popular type of mobile offshore drilling unit (MODU) for offshore exploration and development purposes. In fact, there are ...

Rig Count by Type: The number of vertical drilling rigs totaled 15 units, higher than the week-ago count of 13 units. The horizontal/directional rig count (encompassing new drilling technology ...

India's ONGC operates fleet of more than 30 offshore drilling units and is largest operator of jack-up rigs in South Asia ...