Offshore drilling has come a long way since the wharf-based rigs of the late 1800s, giving oil companies an arsenal of options for tapping deep-sea deposits.

Transocean’s (RIG) drilling revenue for 1Q16 was $1.34 billion, nearly 28% lower than $1.85 billion in the previous quarter and 34% lower than the $2 billion in revenue in 1Q15. Transocean earns ...

The horizontal rig count decreased by 48 from the previous week’s count. This was the eighth straight weekly fall. Currently, there are 1,253 horizontal rigs. The count now is 119 less than the ...

Rotary Drilling Rig - Global Market Outlook (2016-2022) - By Rig Type, Application & Geography - Research and Markets December 27, 2017 08:11 AM Eastern Standard Time ...

But choosing the correct rig type is about more than the depth it can drill; it's also about how mobility, environmental conditions, and cost affect offshore operations.

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.