STENA SPEY
The Stena Spey is a Friede & Goldman L907 (enhanced Pacesetter) twin pontoon, column stabilised self propelled, semi submersible offshore drilling unit. The Stena Spey has a SBOP capability for a water depth of 5,000ft using 18 ¾” – 15,000psi Hydril BOP and Vetco MR-6C riser.
Download Stena Spey BrochureGeneral Information
| Rig Type | Semi Submersible |
| Design | Enhanced Pacesetter |
| Construction Yard | Daewoo, Korea Friede & Goldman L-907 |
| Year Delivered | 1983 |
| Classification | DNV Class +1A1 Column Stabilised Drilling Unit |
| Flag | UK |
| Station Keeping | Anchored: 12T Bruce MK4, HHP anchors |
| Max Water Depth | 457m |
| Max Drilling Depth | 7620m |
| Helideck | Designed for EC225, S92 & S61 |
| Accommodation | 120 persons |
Dimensions/ Loading
| Length | 236ft |
| Breadth | 208ft |
| Moonpool | 83' 4" x 20' 8" |
| Operating Draft | 65ft |
| Transit Draft | 24.9ft |
| VDL (Operating) | 3340Mt |
Drilling Equipment
| Mast/Derrick | NorMar – 700 tonnes |
| Hoist/Drawworks | National/1625 DE |
| Motion Compensator | Brown Brothers, Stroke 20ft 600,000 lbs |
| Top Drive | Maritime Hydraulics 650 tons |
| Pipe Handling | Maritime Hydraulics Bridge Racking Crane |
| Offline Stand Build | N/A |
| Mud Pumps | 3 x National 12-P-160 |
| Shale Shakers | 4 x Brandt – VSM 300 |
Well Control Equipment
| BOP | Hydril 18 ¾ ” 15,000 psi WP H2S |
| LMRP | 1 x Hydril Annular 5K 18 ¾ “ |
| Wellhead Connector | 1 x 18 ¾ GE Vetco 15K EBF |
| Control System | Cameron Direct Hydraulic |
| Riser | Vetco / MR-6C |
| Riser Tensioners | 10 x Brown Brothers 80k |
| Choke & Kill Manifold | Cameron 3 1/8” – 15K |
| Diverter | GE Vetco – KFDS – CSO – 49 ½” |
Capacities
| Liquid Mud | 2148bbls |
| Drill Water | 10, 472bbls |
| Potable Water | 2113 bbls |
| Fuel Oil | 10,330 bbls |
| Bulk Mud/Bent | 7440/3662 ft³ |
| Bulk Cmt | 8782 m³ |
| Base Oil | 1824 bbls |
| Brine | 2924 bbls |
| Sack Material | 2000 Sacks |
Machinery/ Hoisting/ Station Keeping Equipment
| Main Power | 4 x Bergen KVGB 12 diesel engines Generator Rated Output: 2750kVA |
| Emergency Power | HEDEMORA/V6B-12 Generator Rated Output: 813kVA |
| DP System | N/A |
| Thrusters | 2 x Lawrence Scott, E126BO1\4 |
| Mooring system | 8 x 3” K4 anchor chains average length 1500mtrs |
| Deck Cranes | 2 x NOV National OS435 1 x NOV OC3500LE |
| Riser Crane | N/A |
| BOP Handling | 1 x NorMar BOP Transporter |