Henry Goodrich

About this Project

Harsh-Environment Semi-Submersible General Description Design / Generation ............................................................. Sonat/Mitsui 5000 SES Constructing Shipyard .............. Mitsui Engineering & Shipbuilding Tamano, Japan Year Entered Service / Significant Upgrades ................................................. 1985 Classification ........................................................................................... DNV, 1A1, Flag .............................................................................................................. Vanuatu Dimensions ................................................. 320 ft. long x 251 ft. wide x 154 ft. deep Drafts ............................................................................ 92 ft. operating / 43 ft. transit Accommodation ................................................................................... 146 persons Displacement ................................................. 54,782 st operating / 38,708 st transit Variable Deck ..................................................... 5,512 st operating / 5,512 st transit Transit Speed ....................................................................................... up to 6 knots Maximum Water Depth ................................... 5,000 ft. designed / 5,000 ft. outfitted Maximum Drilling Depth............................................................................ 30,000 ft. Drilling Equipment Derrick Maritime Hydraulics derrick 170 ft. high with a 40 ft x 40 ft. base. Hookload Capacity 1,500,000 lbs. static load capacity. Drawworks Continental Emsco C-3 Type II rated to 3,000 hp using 1-3/4 inch drilling line and GE 752 traction motors. Compensator Maritime Hydraulics crown mounted rated to 273 mt of compensated load active heave compensation Rotary Table Continental Emsco T4950-65 using 1 x GE 752 traction motor Top Drive Varco HPS 750 2E rated to 750 st and using 1 x ABB motor rated at 740 kW and a maximum continuous torque rating of 34,000 ft-lbs. and a maximum pressure rating of 7,500 psi. Tubular Handling 1 x Western Gear pipe racking system, complete with 2-3/8 inch to 20 inch OD tubular handling capabilities. Mud Pumps 4 x Continental Emsco Model FB1600 pumps, each driven by 2 x GE 752 traction motors. HP Mud System Rated for 7,500 psi. Solids Control 5 x Thule VSM 300 linear motion shale shakers. Power & Machinery Main Power 4 x Wartsila 12V32 diesel engines each driving 1 x a 4,200 kW AC Stromberg generator. Emergency Power 1 x Wartsila 6R32 diesel engine driving 1 x Stromberg 1,800 kW generator. Power Distribution GE system with split main switchboards with AC generator protection. Storage Capacities Fuel Oil .................................................................................................. 11,100 bbls. Liquid Mud ........................................................ 3,300 bbls. Active / 0 bbls. Reserve Base Oil ................................................................................................... 2,350 bbls. Brine ........................................................................................................ 4,060 bbls. Drill Water ............................................................................................. 17,120 bbls. Potable Water ......................................................................................... 4,365 bbls. Bulk Material ............................................................... (mud + cement) 30,000 cu.ft. Sack Storage........................................................................................ 10,000 sacks BOP & Subsea Equipment BOP Rams 1 x Hydril Compact 18-3/4 inch 15,000 psi BOP with 2 x double ram cavity and 1 x single ram cavity. (5 ram preventer) BOP Annulars 1 x Hydril 18-3/4 inch 10,000 psi annular preventer. BOP Handling 1 x Landel Bridge Crane with 2 x 100 mt and 2 x 10 mt hoists. Marine Riser Vetco MR6E 21 inch OD risers with an average length of 65 ft. per joint. Tensioners 16 x tensioners rated to 100 kips with a line travel of 66 ft. Diverter Hydril FS 49 inch 500 psi diverter with a 12 inch flow line. Moonpool 23 ft. length x 26 ft. width. Station Keeping / Propulsion System Thrusters 2 x Niigat Liaaen 6,904 hp fully azimuthing with fixed pitch propellers and are variable speed thrusters. Mooring System 12 x Mitsubishi drum winches each with 3 inch x 5,500 ft K4 chains and Vryhof Stevpris MK5 15 mt anchors Cranes Cranes 2 x Leibherr BOS75/1300 cranes, with 141 ft. booms and rated to 75 mt at a 39 ft. radius. Other Information Helideck Rated for Sikorsky S-61 helicopters. 89 ft. diameter

Additional Info

Client: 

Transocean

Transocean helps customers find and develop oil and natural gas reserves. Building on more than 50 years of experience with the highest specification rigs, our employees are focused on safety and premier offshore drilling performance.

The company's ordinary shares are traded on the New York Stock Exchange under the symbol "RIG" and on the SIX Swiss Exchange under the symbol "RIGN."