STENA FORTH

Stena Forth is a 6th Generation Harsh Environment dual-activity dynamically positioned (DP3) drillship, capable of drilling in water depths up to 10,000ft. Stena Forth features several Stena Drilling upgrades including a split dual fluid system, a well centre transfer system for development drilling, and enhanced bed space.

Stena Forth: the third of the DrillMAX Series vessels

GENERAL INFORMATION
Rig Type DYNAMICALLY POSITIONED, HARSH ENVIRONMENT, DP3 ULTRA DEEP WATER DRILLSHIP
Design Mono-hull Drillship
Construction Yard Samsung Heavy Industries
Year Delivered 2009
Classification DNV: + 1A1 SHIP-SHAPED DRILLING UNIT(N) BIS CRANE-OFFSHORE
DRILL(N) DYNPOS(AUTRO) E0 F(A, M) HELDK(S, H) RECYCLABLE UKVS
Flag UK
Station Keeping DP Class 3, Kongsberg K-POS 32
Max Water Depth 10,000 ft
Max Drilling Depth 35,000 ft
Helideck Designed for Sikorsky S92 & EH-101
Accommodation 220 PERSONS
DIMENSIONS / LOADING
Length 228M
Breadth 42M
Moonpool 25.6m x 12.48m
Operating Draft 12M
Transit Draft 8.5M
VDL (Operating) 19,500 Mt @ 12m
DRILLING EQUIPMENT
Mast/Derrick NOV Dual Hoisting and Drilling Tower
Hoist/Drawworks MAIN WELL: 907 MT
AUX WELL: 544 MT
Motion Compensator MAIN WELL: 1,040,000 LBS/472 MT ACTIVE & PASSIVE
AUX WELL: 840,000 LBS/381 MT ACTIVE & PASSIVE
Top Drive MAIN WELL: NOV HPS 1000
AUX WELL: NOV HPS 750
Pipe Handling NOV Dual Hydra Racker 3 1/2” to 13 5/8”
Offline Stand Build 1 x Off Line Stand Build + Torque Master
Mud Pumps 4 x National FC2200 – 7,500 PSI
Shale Shakers 5 x NOV Multisizer
WELL CONTROL EQUIPMENT
BOP 2 x 18 3/4” x 15,000 PSI CAMERON TL (6 RAM)
Annulars 1 x Hydril GX Annular 10k + 1 x Cameron HC Connector (10K)
Wellhead Connector 1 x 18 3/4” GE Vetco H4-SHD
Control System Cameron MUX (BOP Fluid recovery system)
Riser 7,500 FT CAMERON LOADKING 3.5 (80 FT JOINTS)
Riser Tensioners 6 x N-Line tensioner system 2,500 Kips
Choke & Kill Manifold Cameron 3 1/16” – 15,000 PSI
Diverter GE VETCO – CSO 500 – 60 1/2” – 500 PSI
CAPACITIES
Liquid Mud Active 1,004 M³, 6,315 bbl
Reserve 2,345 M³, 14,750 bbl
Waste 502 M7, 3,157 bbl
Drill Water 4,464 M³, 28,078 bbl
Potable Water 2,052 M³, 12,907 bbl
Fuel Oil 10,805 M³, 67,961 bbl
Bulk Cmt 420 M³, 2,642 bbl
Base Oil 490 M³, 3,082 bbl
Brine 490 M³, 3,082 bbl
Sack Material 7,500 sacks
BULK BARITE/BENTONITE 420 M³, 2,642 bbl
MACHINERY / HOISTING / STATION KEEPING EQUIPMENT
Main Power 6 X WARTSILA 16V32 GENERATOR SET
RATED OUTPUT: 8750 KVA
Emergency Power Integrated in main power
DP System DP 3 (Kongsberg) :2 x HiPaP, 3x DGPS, HAIN, 2 x LTW
Thrusters 6 x Rolls Royce UUC-455, 5.5 MW
Mooring system 2 x 12.675 MT Anchors
Deck Cranes 3 x NOV KNUCKLE BOOM CRANE EACH RATED FOR 85 MT
1 X NOV PIPE HANDLING RATED FOR 7 MT
Riser Crane NOV Gantry Crane 2 x 20 MT (w/o yoke)
BOP Handling 350 MT MOONPOOL SKID
2 X 175 MT BOP OVERHEAD CRANE

Fleet Availability

Contracted Commitments

Available / Hot Stacked

Preparing for Upcoming Contract

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