PRINCIPAL CHARACTERISTICS

 2 Lower Hulls & 5 Columns

 Length Overall: 370'-0" (112.78m)

 Beam Overall: 255'-0" (77.72m)

 Height, Keel to Top of Main Deck:

      140'-0" (42.67m)

Normal Drilling Condition

 Draft: 80' (24.38m)

 Displacement: 52,300 LT

 Variable Deck Load: 5,000 LT

 Wave and Current: 40 ft./8.3sec., 2kts

The TRENDSETTER^TM type Semi Submersible rig  "Zane Barnes" will provide safe and efficient drilling and sub-sea completion services in some of the harshest environments.

Special features include:

• Excellent motion characteristics by combination of a free-floodable center column and stepped lower hulls,
• Very large variable load and storage capacities,
• Station keeping in up to 5,000 foot water depth, moored or dynamic positioning system.