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Rig Types

The largest, most diverse fleet has the ideal rigs to serve your project

The Right Fleet

Transocean is constantly evaluating the sophistication and marketability of our rigs in order to maintain our position as the industry's leading fleet. We can help you find the ideal rig for your project, regardless of geography, environmental conditions or water depth.

Photo of ultra-deepwater drillship

Ultra-deepwater

More than half of Transocean's 23 ultra-deepwater rigs are less than 10 years old; seven were delivered within the last four years. Our ultra-deepwater fleet represent the most diverse and flexible rigs in the world with some of the newest rigs featuring our patented hybrid power technology. 

Explore all ultra-deepwater rigs

Capabilities
  • Max Water Depth: Ranges from 7,500-12,000 ft
  • Max Drilling Depth: Ranges from 30,000-40,000 ft
  • 20 have dual activity capability
  • 22 have dynamic positioning systems
Photo of harsh environment semisubmersible

Harsh environment

We operate 12 harsh-environment semisubmersibles, all with propulsion systems, and several featuring dynamic positioning systems. From ultra-deepwater with dual activity to deepwater and midwater semi-submersibles, you can find a rig for any manner of cold, windy, high seas environments.

Explore All Harsh Environment Rigs

Capabilities
  • Two of these rigs feature dual-activity capability
  • Seven rigs are equipped for shallow depths, two for deepwater and two for ultra-deepwater combined with full DP and moored configurations for the ultimate flexibility
  • Operating Variable Deck Load capacities range from 2900 to 6300 metric tons
Photo of deepwater semisubmersible

Deepwater

Transocean maintains two deepwater semi-submersible rigs designed to drill in 4,500 ft to 7,500 ft of water to meet customers specific requirements.

Explore all deepwater rigs

Capabilities
  • Max Water Depth: Ranges from 4,500-7,500 ft
  • Max Drilling Depth: Ranges from 25,000-30,000 ft
  • Operating Variable Deck Load capacities range from 3,700 to 4,500 metric tons
Photo of midwater semisubmersible

Midwater

Transocean's fleet includes four midwater semi-submersible floaters for customers looking to drill in shallower depths. The majority of these rigs come with a 15,000 psi BOP and hookload capacities ranging from 1 million to 1.3 million pounds. Every rig in this category is equipped with a mooring system. 

Explore all midwater rigs

Capabilities
  • Max water depth ranges from 1,500-4,500 ft
  • Max drilling depth is 25,000 ft
  • Operating Variable Deck Load capacities range from 2,700 to 3,990 metric tons

Want to discuss an offshore rig?

For questions regarding rig capability, or for help determining which rig is best suited for your project, we welcome the opportunity to speak with you directly.

Let’s discuss a rig